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Is there a way to test for low oxygen? I have plenty of circulation in the tank but the fish seem to not be getting enough O2. I added an air pump to the powerhead and it seemed to help out but I am curious as to how this could have happened. The tank is not covered.
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45G Cichlid and Turtle -
There is a test kit that can be purchased.
This link mentions the kit, where to get it and the testing procedure.
Exchange of O2 and CO2 take place at the surface of the water. Even if you have adequate circulation around the tank you may not have enough agitation at the surface. The addition of the air to the powerhead added agitation at the surface. Water temp, DOCs and other factors affect the water's oxygen uptake. Your tank may need a lot of surface agitation to properly oxygenate for the stocking and tank conditions you have.
MarkWhat are the facts? Again and again and again--what are the facts? Shun wishful thinking, ignore devine revelation, forget what "the stars foretell", avoid opinion, care not what the neighbors think, never mind the unguessable "verdict of history"--what are the facts, and to how many decimal places? You pilot always into an unknown future; facts are your only clue.
Robert Anson Heinlein -
Well I wanted to thin out the herd a bit, but this was not quite what I had in mind. Thanks for the Info.45G Cichlid and TurtleComment
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Run a wet/dry and your water will always be saturated with oxygen. Along with good mechanicael filtration....good luck.200
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I don't know what a wet/dry is.45G Cichlid and TurtleComment
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I'm not 100% sure how wet drys work but it's a box that goes under you aquarium and all the water flowing to and out of it is exposed to air bc the top of the box is open. Therefore like wesleydnunder said co2 and o2 takes place and the water that goes back to your tank is better oxygenated. I think of it as a canister filter with out a top.
You can always do what you're doing and point you powerhead at an angle towards the top so that it agitates the water. if you have a canister filter you should also try and point the output towards the topComment
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Since adding the air pump to the powerhead all of the fish are doing fine. Active and not gasping. I am just curious as to why they weren't going to the top at all. They all just hung around. No early warning really.45G Cichlid and TurtleComment
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