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I have just purchased new 20L jebo tank. It came with filter. Can you over oxygenate a tank? Eg with too many plants and air stones? Using a 2L air pump?

2007-02-06 17:54:15 · 3 answers · asked by LC 2 in Pets Fish

3 answers

You can, but realistically it won't happen. When you run an air pump, you'll notice that the bubbles it produces are very big and that they burst at the surface of the water. This means that most of the O2 in the air is being lost into the atmosphere, and not being absored into the water. To have a good O2 absorption into the water, the bubbles must be very small.
Plants will produce O2 and remove CO2 from the water. However, at night, it's the opposite, and they absord O2 and release CO2.
However, you *can* create too much water movement with too much air pumping through the tank, making your fish uncomfortable. Generally speaking, an air pump is not necessary.
Do keep in mind that your tank, being only 5 gallons (20 litres) is really only big enough for a betta or a couple white cloud minnows or an african dwarf frog - all of which like relatively calm waters.

2007-02-07 01:55:48 · answer #1 · answered by Zoe 6 · 0 0

If you have plants you can over oxygenate a tank. Plants need CO2 (Carbon Dioxide) to live (too much O2 and there isn't enough room for CO2...good thing is fish make the stuff). As for fish only, they can't get enough O2 I'd say - actual oxygen dissolved in the water that is, not millions of tiny bubbles which could interfere with their gills etc.). If you want plants do not use a bubbler - air stone (well maybe only at night, because believe it or not plants take IN oxygen at night and expel it during the day, under light).

If you really want to have a planted tank (which is nice) you may think about setting up some CO2 system. Look it up on the web. :)

BTW a bubbler doesn't directly place oxygen into the system (the bubbles aren't in the water long enough for that). It just disturbs the surface (closest to the air, therefore more oxygen rich) and "mixes" the water so more water can "get its turn" near the surface and get a helping of oxygen from the air. :)

BTW a marine tank needs more oxygen than a freshwater tank usually.

2007-02-07 04:04:01 · answer #2 · answered by Stealthy Ninja 2 · 1 0

Yes you can....just be careful and don't overdo it...i have had tanks from salt water to freshwater and i have made so many mistakes and this was one of them...just use ur commen sense based on size of the tank and go easy! good luck

2007-02-07 01:57:49 · answer #3 · answered by ♥queen b♥ 4 · 0 0

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