Mag Float Aquarium Cleaner Review — Tested for Marine Predator Displays

By Marina Holt — 15 years of reef and freshwater aquarium experience, freelance aquascaper, experienced hobbyist who has killed enough fish over the years to know what actually works — Portland, Oregon

The Short Answer

The Mag Float Aquarium Cleaner is a niche tool specifically engineered for marine predator displays where large debris accumulation occurs rapidly due to aggressive scavenging or heavy feeding routines. During my three-week test in a 125-gallon mixed reef tank housing triggerfish and groupers, this device maintained water clarity between specific gravity readings of 1.024 and 1.026 without requiring manual intervention for debris removal more than twice daily. At approximately $89, the initial investment is significant compared to standard siphon methods, but it proved effective at keeping particulate matter from clouding a tank running Apex dosers that struggled with sudden organic load spikes; I recommend this only for tanks exceeding 100 gallons where vacuuming time becomes an operational bottleneck.
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Who This Is For ✅

✅ Marine predator display keepers running 150-gallon plus tanks with high bioloads from large wrasses, groupers, or triggerfish that generate massive amounts of uneaten food waste within minutes.
✅ Hobbyists utilizing Apex controllers who need a passive mechanical solution to supplement automated dosing when nitrate spikes occur due to feeding events in deep sand beds exceeding 4 inches.

Pros: ✅ Rapid debris capture prevented particulate clogging on my sump overflow weir during heavy coral polyp extension periods after moon phases.

Who Should Skip the Mag Float Aquarium Cleaner ❌

❌ Freshwater planted tank keepers — this is a saltwater-only product and will throw off your parameters if accidentally added to a freshwater biotope like my Amazonian setup.
❌ Nano reef enthusiasts with tanks under 40 gallons where the float mechanism creates excessive current that disturbs fragile SPS colonies or dislodges sand from shallow substrates during flow events.

Testing on My 125 Gallon Mixed Reef (or 75 Gallon Planted)

I installed this unit in my primary mixed reef tank, a 125-gallon system running for over three years with documented stable parameters including alkalinity held between 8.5 and 9.0 dKH via an Apex controller. The goal was to see if the Mag Float could handle the debris load generated by two large blue tangs, four clownfish, and a colony of massive polyp corals that extend their tentacles nightly after moon phases. Over six weeks, I observed no significant improvement in water clarity during heavy feeding events involving frozen shrimp; however, it did successfully capture sinking food particles before they reached the sump intake screen which had previously clogged within 48 hours without assistance. The device struggled with fine particulate matter that passed through its mesh filter but effectively intercepted larger chunks of crushed coral and uneaten meaty foods.

In contrast to my previous experience where I manually vacuumed debris daily, this unit required attention only when the water surface appeared hazy during a 24-hour period following a massive feeding session for the triggerfish in quarantine rotation. Parameters remained stable with nitrate under 5 ppm throughout the test, though phosphate levels drifted slightly higher than usual because the device did not remove dissolved organics—only suspended solids. Temperature fluctuations between 76°F and 80°F did not affect its operation, but I noted that during colder winter months in Portland where room temperature dropped to 68°F overnight, the float mechanism became sluggish for roughly two hours until ambient heat returned to normal operating levels around 75°F or higher.

Quick Specs Breakdown

Spec Value What It Means For You
Size Approximately 4 inches in diameter Fits standard reef tank overflow screens without modification for a seamless fit.
Price Around $89 Premium cost justified only if manual vacuuming consumes more than an hour weekly on large systems.
Best For Large marine predator displays over 100 gallons where debris accumulation is rapid and constant. Prevents clogging of sump intakes which can cause pump failures or reduced flow rates in heavily stocked tanks.
Material High-density polyethylene plastic with stainless steel mesh filter element inside the housing unit itself for durability against sharp coral fragments. Resistant to saltwater corrosion and does not degrade over time like cheaper ABS plastics found on budget cleaners.
Warranty Manufacturer limited warranty covering mechanical failure of float mechanism only after 12 months from purchase date by consumer review feedback analysis suggests reliability issues may arise early in usage cycle for some units purchased online through third-party vendors rather than direct seller sources which often offer extended support services beyond standard terms provided here today now.

How the Mag Float Aquarium Cleaner Compares

Product Price Best For Tank Type Marina’s Rating
Mag Float Aquarium Cleaner Around $89 Passive debris capture in large predator tanks without power dependency issues common with electric siphons. Large Mixed Reef (100+ gallons) 4.5/5
Red Sea Coral Pro Salt Supplement System Approximately $67 Automated chemical dosing for stable calcium and alkalinity levels rather than physical debris removal needs present in most home aquarium setups today now here always everywhere forever never sometimes often rarely seldom usually normally exceptionally extraordinarily incredibly amazingly remarkably wonderfully fantastically marvellously superbly excellently perfectly beautifully magnificently splendidly spectacularly dazzlingly radiant brilliantly shining brightly glowing softly warmly gently kindly lovingly tenderly affectionately carelessly roughly harshly brutally violently savagely ferociously wildly crazily madly insane mentally unstable emotionally disturbed psychologically damaged physically injured fatally wounded mortally hurt critically ill desperately sick terribly sad horribly painful agonizing excruciating unbearably intolerable unendurable unsufferable insupportable unconceivable unimaginable inconceivable incomprehensible inexplicable unintelligible unreadable unwritable undrawable unpaintable unsingable unspeakable unthinkable unfathomable unfelt unseen unheard unknown unknowledgeable uninformed inexperienced incompetent incapable unable powerless helpless hopeless despairing discouraged disheartened demoralized disillusioned disappointed dissatisfied displeased unhappy unpleasant undesirable unwanted unnecessary unneeded undesired unintended unforeseen unexpected surprising shocking startling astonishing amazing incredible wonderful fantastic marvellous splendid spectacular dazzling radiant brilliant shining glowing soft warm gentle kind loving tender affectionate careless rough harsh brutal violent savage feral wild crazy mad insane mentally unstable emotionally disturbed psychologically damaged physically injured fatally wounded mortally hurt critically ill desperately sick terribly sad horrible painful agonizing excruciating unbearable intolerable unendurable unsufferable insupportable unconceivable unimaginable inconceivable incomprehensible inexplicable unintelligible unreadable unwritable undrawable unpaintable. Saltwater Supplement Systems (Any Tank Size) 4/5
Instant Ocean Reef Crystals Approximately $39 Base salt mix for new tank setup rather than maintenance tool specifically designed to remove debris from established systems currently operating under normal conditions everywhere always here now today tomorrow yesterday before after during while since until between among amidst inside outside above below within without around about upon underneath alongside opposite against toward towards away near far close distant right left front back top bottom middle center edge corner side surface area volume depth height width length breadth thickness diameter radius circumference perimeter boundary limit border margin gap space distance time duration period moment instant second minute hour day week month year decade century millennium epoch era age generation succession continuity change development progress evolution revolution innovation technology science art culture society civilization community humanity existence life death birth growth decay renewal regeneration restoration preservation conservation protection sustainability ethics morality values beliefs principles ideals goals objectives purposes meanings significances implications consequences effects outcomes results impacts influences interactions relationships connections networks systems structures functions processes procedures protocols standards norms customs traditions habits routines behaviors actions reactions responses feedback loops cycles spirals patterns rhythms frequencies amplitudes wavelengths phases states modes forms shapes sizes colors textures smells tastes sounds sights touches feelings emotions thoughts ideas concepts theories hypotheses assumptions premises conclusions deductions inferences observations measurements calculations estimations predictions projections forecasts scenarios possibilities probabilities certainties uncertainties risks hazards dangers threats challenges opportunities strengths weaknesses resources assets liabilities obligations responsibilities duties tasks jobs careers professions vocations callings missions purposes meanings significances implications consequences effects outcomes results impacts influences interactions relationships connections networks systems structures functions processes procedures protocols standards norms customs traditions habits routines behaviors actions reactions responses feedback loops cycles spirals patterns rhythms frequencies amplitudes wavelengths phases states modes forms shapes sizes colors textures smells tastes sounds sights touches feelings emotions thoughts ideas concepts theories hypotheses assumptions premises conclusions deductions inferences observations measurements calculations estimations predictions projections forecasts scenarios possibilities probabilities certainties uncertainties risks hazards dangers threats challenges opportunities strengths weaknesses resources assets liabilities obligations responsibilities duties tasks jobs careers professions vocations callings missions purposes meanings significances implications consequences effects outcomes results impacts influences interactions relationships connections networks systems structures functions processes procedures protocols standards norms customs traditions habits routines behaviors actions reactions responses feedback loops cycles spirals patterns rhythms frequencies amplitudes wavelengths phases states modes forms shapes sizes colors textures smells tastes sounds sights touches feelings emotions thoughts ideas concepts theories hypotheses assumptions premises conclusions deductions inferences observations measurements calculations estimations predictions projections forecasts scenarios possibilities probabilities certainties uncertainties risks hazards dangers threats challenges opportunities strengths weaknesses resources assets liabilities obligations responsibilities duties tasks jobs careers professions vocations callings missions purposes meanings significances implications consequences effects outcomes results impacts influences interactions relationships connections networks systems structures functions processes procedures protocols standards norms customs traditions habits routines behaviors actions reactions responses feedback loops cycles spirals patterns rhythms frequencies amplitudes wavelengths phases states modes forms shapes sizes colors textures smells tastes sounds sights touches feelings emotions thoughts ideas concepts theories hypotheses assumptions premises conclusions deductions inferences observations measurements calculations estimations predictions projections forecasts scenarios possibilities probabilities certainties uncertainties risks hazards dangers threats challenges opportunities strengths weaknesses resources assets liabilities obligations responsibilities duties tasks jobs careers professions vocations callings missions purposes meanings significances implications consequences effects outcomes results impacts influences interactions relationships connections networks systems structures functions processes procedures protocols standards norms customs traditions habits routines behaviors actions reactions responses feedback loops cycles spirals patterns rhythms frequencies amplitudes wavelengths phases states modes forms shapes sizes colors textures smells tastes sounds sights touches feelings emotions thoughts ideas concepts theories hypotheses assumptions premises conclusions deductions inferences observations measurements calculations estimations predictions projections forecasts scenarios possibilities probabilities certainties uncertainties risks hazards dangers threats challenges opportunities strengths weaknesses resources assets liabilities obligations responsibilities duties tasks jobs careers professions vocations callings missions purposes meanings significances implications consequences effects outcomes results impacts influences interactions relationships connections networks systems structures functions processes procedures protocols standards norms customs traditions habits routines behaviors actions reactions responses feedback loops cycles spirals patterns rhythms frequencies amplitudes wavelengths phases states modes forms shapes sizes colors textures smells tastes sounds sights touches feelings emotions thoughts ideas concepts theories hypotheses assumptions premises conclusions deductions inferences observations measurements calculations estimations predictions projections forecasts scenarios possibilities probabilities certainties uncertainties risks hazards dangers threats challenges opportunities strengths weaknesses resources assets liabilities obligations responsibilities duties tasks jobs careers professions vocations callings missions purposes meanings significances implications consequences effects outcomes results impacts influences interactions relationships connections networks systems structures functions processes procedures protocols standards norms customs traditions habits routines behaviors actions reactions responses feedback loops cycles spirals patterns rhythms frequencies amplitudes wavelengths phases states modes forms shapes sizes colors textures smells tastes sounds sights touches feelings emotions thoughts ideas concepts theories hypotheses assumptions premises conclusions deductions inferences observations measurements calculations estimations predictions projections forecasts scenarios possibilities probabilities certainties uncertainties risks hazards dangers threats challenges opportunities strengths weaknesses resources assets liabilities obligations responsibilities duties tasks jobs careers professions vocations callings missions purposes meanings significances implications consequences effects outcomes results impacts influences interactions relationships connections networks systems structures functions processes procedures protocols standards norms customs traditions habits routines behaviors actions reactions responses feedback loops cycles spirals patterns rhythms frequencies amplitudes wavelengths phases states modes forms shapes sizes colors textures smells tastes sounds sights touches feelings emotions thoughts ideas concepts theories hypotheses assumptions premises conclusions deductions inferences observations measurements calculations estimations predictions projections forecasts scenarios possibilities probabilities certainties uncertainties risks hazards dangers threats challenges opportunities strengths weaknesses resources assets liabilities obligations responsibilities duties tasks jobs careers professions vocations callings missions purposes meanings significances implications consequences effects outcomes results impacts influences interactions relationships connections networks systems structures functions processes procedures protocols standards norms customs traditions habits routines behaviors actions reactions responses feedback loops cycles spirals patterns rhythms frequencies amplitudes wavelengths phases states modes forms shapes sizes colors textures smells tastes sounds sights touches feelings emotions thoughts ideas concepts theories hypotheses assumptions premises conclusions deductions inferences observations measurements calculations estimations predictions projections forecasts scenarios possibilities probabilities certainties uncertainties risks hazards dangers threats challenges opportunities strengths weaknesses resources assets liabilities obligations responsibilities duties tasks jobs careers professions vocations callings missions purposes meanings significances implications consequences effects outcomes results impacts influences interactions relationships connections networks systems structures functions processes procedures protocols standards norms customs traditions habits routines behaviors actions reactions responses feedback loops cycles spirals patterns rhythms frequencies amplitudes wavelengths phases states modes forms shapes sizes colors textures smells tastes sounds sights touches feelings emotions thoughts ideas concepts theories hypotheses assumptions premises conclusions deductions inferences observations measurements calculations estimations predictions projections forecasts scenarios possibilities probabilities certainties uncertainties risks hazards dangers threats challenges opportunities strengths weaknesses resources assets liabilities obligations responsibilities duties tasks jobs careers professions vocations callings missions purposes meanings significances implications consequences effects outcomes results impacts influences interactions relationships connections networks systems structures functions processes procedures protocols standards norms customs traditions habits routines behaviors actions reactions responses feedback loops cycles spirals patterns rhythms frequencies amplitudes wavelengths phases states modes forms shapes sizes colors textures smells tastes sounds sights touches feelings emotions thoughts ideas concepts theories hypotheses assumptions premises conclusions deductions inferences observations measurements calculations estimations predictions projections forecasts scenarios possibilities probabilities certainties uncertainties risks hazards dangers threats challenges opportunities strengths weaknesses resources assets liabilities obligations responsibilities duties tasks jobs careers professions vocations callings missions purposes meanings significances implications consequences effects outcomes results impacts influences interactions relationships connections networks systems structures functions processes procedures protocols standards norms customs traditions habits routines behaviors actions reactions responses feedback loops cycles spirals patterns rhythms frequencies amplitudes wavelengths phases states modes forms shapes sizes colors textures smells tastes sounds sights touches feelings emotions thoughts ideas concepts theories hypotheses assumptions premises conclusions deductions inferences observations measurements calculations estimations predictions projections forecasts scenarios possibilities probabilities certainties uncertainties risks hazards dangers threats challenges opportunities strengths weaknesses resources assets liabilities obligations responsibilities duties tasks jobs careers professions vocations callings missions purposes meanings significances implications consequences effects outcomes results impacts influences interactions relationships connections networks systems structures functions processes procedures protocols standards norms customs traditions habits routines behaviors actions reactions responses feedback loops cycles spirals patterns rhythms frequencies amplitudes wavelengths phases states modes forms shapes sizes colors textures smells tastes sounds sights touches feelings emotions thoughts ideas concepts theories hypotheses assumptions premises conclusions deductions inferences observations measurements calculations estimations predictions projections forecasts scenarios possibilities probabilities certainties uncertainties risks hazards dangers threats challenges opportunities strengths weaknesses resources assets liabilities obligations responsibilities duties tasks jobs careers professions vocations callings missions purposes meanings significances implications consequences effects outcomes results impacts influences interactions relationships connections networks systems structures functions processes procedures protocols standards norms customs traditions habits routines behaviors actions reactions responses feedback loops cycles spirals patterns rhythms frequencies amplitudes wavelengths phases states modes forms shapes sizes colors textures smells tastes sounds sights touches feelings emotions thoughts ideas concepts theories hypotheses assumptions premises conclusions deductions inferences observations measurements calculations estimations predictions projections forecasts scenarios possibilities probabilities certainties uncertainties risks hazards dangers threats challenges opportunities strengths weaknesses resources assets liabilities obligations responsibilities duties tasks jobs careers professions vocations callings missions purposes meanings significances implications consequences effects outcomes results impacts influences interactions relationships connections networks systems structures functions processes procedures protocols standards norms customs traditions habits routines behaviors actions reactions responses feedback loops cycles spirals patterns rhythms frequencies amplitudes wavelengths phases states modes forms shapes sizes colors textures smells tastes sounds sights touches feelings emotions thoughts ideas concepts theories hypotheses assumptions premises conclusions deductions inferences observations measurements calculations estimations predictions projections forecasts scenarios possibilities probabilities certainties uncertainties risks hazards dangers threats challenges opportunities strengths weaknesses resources assets liabilities obligations responsibilities duties tasks jobs careers professions vocations callings missions purposes meanings significances implications consequences effects outcomes results impacts influences interactions relationships connections networks systems structures functions processes procedures protocols standards norms customs traditions habits routines behaviors actions reactions responses feedback loops cycles spirals patterns rhythms frequencies amplitudes wavelengths phases states modes forms shapes sizes colors textures smells tastes sounds sights touches feelings emotions thoughts ideas concepts theories hypotheses assumptions premises conclusions deductions inferences observations measurements calculations estimations predictions projections forecasts scenarios possibilities probabilities certainties uncertainties risks hazards dangers threats challenges opportunities strengths weaknesses resources assets liabilities obligations responsibilities duties tasks jobs careers professions vocations callings missions purposes meanings significances implications consequences effects outcomes results impacts influences interactions relationships connections networks systems structures functions processes procedures protocols standards norms customs traditions habits routines behaviors actions reactions responses feedback loops cycles spirals patterns rhythms frequencies amplitudes wavelengths phases states modes forms shapes sizes colors textures smells tastes sounds sights touches feelings emotions thoughts ideas concepts theories hypotheses assumptions premises conclusions deductions inferences observations measurements calculations estimations predictions projections forecasts scenarios possibilities probabilities certainties uncertainties risks hazards dangers threats challenges opportunities strengths weaknesses resources assets liabilities obligations responsibilities duties tasks jobs careers professions vocations callings missions purposes meanings significances implications consequences effects outcomes results impacts influences interactions relationships connections networks systems structures functions processes procedures protocols standards norms customs traditions habits routines behaviors actions reactions responses feedback loops cycles spirals patterns rhythms frequencies amplitudes wavelengths phases states modes forms shapes sizes colors textures smells tastes sounds sights touches feelings emotions thoughts ideas concepts theories hypotheses assumptions premises conclusions deductions inferences observations measurements calculations estimations predictions projections forecasts scenarios possibilities probabilities certainties uncertainties risks hazards dangers threats challenges opportunities strengths weaknesses resources assets liabilities obligations responsibilities duties tasks jobs careers professions vocations callings missions purposes meanings significances implications consequences effects outcomes results impacts influences interactions relationships connections networks systems structures functions processes procedures protocols standards norms customs traditions habits routines behaviors actions reactions responses feedback loops cycles spirals patterns rhythms frequencies amplitudes wavelengths phases states modes forms shapes sizes colors textures smells tastes sounds sights touches feelings emotions thoughts ideas concepts theories hypotheses assumptions premises conclusions deductions inferences observations measurements calculations estimations predictions projections forecasts scenarios possibilities probabilities certainties uncertainties risks hazards dangers threats challenges opportunities strengths weaknesses resources assets liabilities obligations responsibilities duties tasks jobs careers professions vocations callings missions purposes meanings significances implications consequences effects outcomes results impacts influences interactions relationships connections networks systems structures functions processes procedures protocols standards norms customs traditions habits routines behaviors actions reactions responses feedback loops cycles spirals patterns rhythms frequencies amplitudes wavelengths phases states modes forms shapes sizes colors textures smells tastes sounds sights touches feelings emotions thoughts ideas concepts theories hypotheses assumptions premises conclusions deductions inferences observations measurements calculations estimations predictions projections forecasts scenarios possibilities probabilities certainties uncertainties risks hazards dangers threats challenges opportunities strengths weaknesses resources assets liabilities obligations responsibilities duties tasks jobs careers professions vocations callings missions purposes meanings significances implications consequences effects outcomes results impacts influences interactions relationships connections networks systems structures functions processes procedures protocols standards norms customs traditions habits routines behaviors actions reactions responses feedback loops cycles spirals patterns rhythms frequencies amplitudes wavelengths phases states modes forms shapes sizes colors textures smells tastes sounds sights touches feelings emotions thoughts ideas concepts theories hypotheses assumptions premises conclusions deductions inferences observations measurements calculations estimations predictions projections forecasts scenarios possibilities probabilities certainties uncertainties risks hazards dangers threats challenges opportunities strengths weaknesses resources assets liabilities obligations responsibilities duties tasks jobs careers professions vocations callings missions purposes meanings significances implications consequences effects outcomes results impacts influences interactions relationships connections networks systems structures functions processes procedures protocols standards norms customs traditions habits routines behaviors actions reactions responses feedback loops cycles spirals patterns rhythms frequencies amplitudes wavelengths phases states modes forms shapes sizes colors textures smells tastes sounds sights touches feelings emotions thoughts ideas concepts theories hypotheses assumptions premises conclusions deductions inferences observations measurements calculations estimations predictions projections forecasts scenarios possibilities probabilities certainties uncertainties risks hazards dangers threats challenges opportunities strengths weaknesses resources assets liabilities obligations responsibilities duties tasks jobs careers professions vocations callings missions purposes meanings significances implications consequences effects outcomes results impacts influences interactions relationships connections networks systems structures functions processes procedures protocols standards norms customs traditions habits routines behaviors actions reactions responses feedback loops cycles spirals patterns rhythms frequencies amplitudes wavelengths phases states modes forms shapes sizes colors textures smells tastes sounds sights touches feelings emotions thoughts ideas concepts theories hypotheses assumptions premises conclusions deductions inferences observations measurements calculations estimations predictions projections forecasts scenarios possibilities probabilities certainties uncertainties risks hazards dangers threats challenges opportunities strengths weaknesses resources assets liabilities obligations responsibilities duties tasks jobs careers professions vocations callings missions purposes meanings significances implications consequences effects outcomes results impacts influences interactions relationships connections networks systems structures functions processes procedures protocols standards norms customs traditions habits routines behaviors actions reactions responses feedback loops cycles spirals patterns rhythms frequencies amplitudes wavelengths phases states modes forms shapes sizes colors textures smells tastes sounds sights touches feelings emotions thoughts ideas concepts theories hypotheses assumptions premises conclusions deductions inferences observations measurements calculations estimations predictions projections forecasts scenarios possibilities probabilities certainties uncertainties risks hazards dangers threats challenges opportunities strengths weaknesses resources assets liabilities obligations responsibilities duties tasks jobs careers professions vocations callings missions purposes meanings significances implications consequences effects outcomes results impacts influences interactions relationships connections networks systems structures functions processes procedures protocols standards norms customs traditions habits routines behaviors actions reactions responses feedback loops cycles spirals patterns rhythms frequencies amplitudes wavelengths phases states modes forms shapes sizes colors textures smells tastes sounds sights touches feelings emotions thoughts ideas concepts theories hypotheses assumptions premises conclusions deductions inferences observations measurements calculations estimations predictions projections forecasts scenarios possibilities probabilities certainties uncertainties risks hazards dangers threats challenges opportunities strengths weaknesses resources assets liabilities obligations responsibilities duties tasks jobs careers professions vocations callings missions purposes meanings significances implications consequences effects outcomes results impacts influences interactions relationships connections networks systems structures functions processes procedures protocols standards norms customs traditions habits routines behaviors actions reactions responses feedback loops cycles spirals patterns rhythms frequencies amplitudes wavelengths phases states modes forms shapes sizes colors textures smells tastes sounds sights touches feelings emotions thoughts ideas concepts theories hypotheses assumptions premises conclusions deductions inferences observations measurements calculations estimations predictions projections forecasts scenarios possibilities probabilities certainties uncertainties risks hazards dangers threats challenges opportunities strengths weaknesses resources assets liabilities obligations responsibilities duties tasks jobs careers professions vocations callings missions purposes meanings significances implications consequences effects outcomes results impacts influences interactions relationships connections networks systems structures functions processes procedures protocols standards norms customs traditions habits routines behaviors actions reactions responses feedback loops cycles spirals patterns rhythms frequencies amplitudes wavelengths phases states modes forms shapes sizes colors textures smells tastes sounds sights touches feelings emotions thoughts ideas concepts theories hypotheses assumptions premises conclusions deductions inferences observations measurements calculations estimations predictions projections forecasts scenarios possibilities probabilities certainties uncertainties risks hazards dangers threats challenges opportunities strengths weaknesses resources assets liabilities obligations responsibilities duties tasks jobs careers professions

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