is my air pump to strong?
Earlier today I noticed there was a tear in my air hose for my pump (the piece that gives it the curtain effect), so I went to the LFS and bought a long air stone for my 35 gallon tank. I was told that the two are very simular and it should not make a difference in my tank. I have just noticed that it is forcing some of my fish to the top of the tank, my corys seem to like it but I don't know if it's stressing my harlequin rasbora. They do keep swimming back and forth through it sometimes swimming with the flow sometime against it, Are they Playing? Is it to strong for them? should I remove it? I also have 3 dwarf aquatic frogs in the tank would this be bad for them?
First look to see if there's a little knob on the motor that lets you adjust the air flow. A lot of them have one.
If not, just bury the stone under the gravel a bit. The more gravel you put over it, the less bubbles. Or you can kink the hose (fold it) and tie it with a bread tie.
You should hook the bubble wand to a gang valve so you can control the flow.
Having said this, I have seen times when my fish swim up and down in the bubble wall - I think they think it's like a ride at Disney. I wouldn't be too worried, but like I said, you might cut it back just a tad.
If the fish, esp the rasbora, can escape the water flow completely they will likely be OK. If not, they won't. As noted in the profile, these fish occur in very still waters. Fish in an aquarium have to contend with what we create, like it or not; water flow signifies possible food to a fish, so they will obviously swim in the current. But being unable to avoid it is highly stressful. It's like you having to walk uphill against a strong wind, and having no option but to continue day and night. Very stressful.
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