how much oxygen - The Planted Tank Forum
 
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post #1 of 5 (permalink) Old 02-28-2010, 01:20 AM Thread Starter
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how much oxygen

i will run oxygen at night time in my fish tank.

question:
1.) its gonna be hooked up to a reactor, so how much bps do i need?
i don't want to suffocate fish of too much o2.(if too much o2 will)

2.) for how long should i run it? is 8 hours enough when lights come off?

im doing this because i dont like any tubing, airstones or bubbles in my tank. but im concern about fish.

PS i also dont have anything to break the water surface.

Benedict
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post #2 of 5 (permalink) Old 02-28-2010, 01:34 AM
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Wait, as in pure oxygen? Like medical supply oxygen? Why? Oxygen will not suffocate your fish...

What kind of filter do you have? Why don't you just angle it to slightly break the surface. Turn off the co2 at night...
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post #3 of 5 (permalink) Old 02-28-2010, 01:51 AM Thread Starter
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hi overstocked,

well, actually i can break the surface(canister filter) but im afraid if i do that it might break too much that co2 during the day time might go to waste, and if i dont have any surface agitation that fish wont have any oxygen. (im really bad at doing stuff in the "middle"--im a extreme type of person/borderline ocd and it will bug me and wont let me go to sleep if i feel that i didn't do it right)

if your gonna say that "why dont you just raise the tube during at night?" i will say i don't want to have to do that adjusting and readjusting every night. dosing the tank is something i already i have to commit to if you know what i mean.

Benedict
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post #4 of 5 (permalink) Old 02-28-2010, 02:24 AM
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I have a 90 gal running CO2 during the day. It's moderately stocked and I do nothing at night but turn off the CO2. Haven't lost a fish yet or even seen them stressed for O2.

If you are overly concerned to the point of insomnia, get a "cheap" HOB and run that at night. This would diffidently cost less and be much safer than fooling with pure O2.

Steve

90 Gal, 4x65 CFL, 2 Eheim 2215, Pressurized C02
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post #5 of 5 (permalink) Old 02-28-2010, 02:54 AM
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There is no danger in pure oxygen. I drive around in a truck with 4 tanks of it at 80 miles an hour all night long...

There is also no point in using it. Just angle the output to slightly disturb the surface. You are not going to lose so much co2 it will be problem.
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