10-22-2010, 10:08 PM
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Originally Posted by Russell
Myself and at least one other member of this forum routinely do 50% weekly water changes but I won't throw someone else's name out there. Neither one of us have any problems out of it, Most of your beneficial bacteria live on hard surfaces not free floating in the water and by most I mean the vast majority. If you use a quality water conditioner and make sure to match the temp of the incoming water, the only real danger with water changes is stress to the fish from lowering the water and pouring the new in.
Agreed. I do 50-60% changes weekly on two tanks and 50% changes three times a week on the other and, since the bacteria is mostly on the surfaces, have never had any issues with my cycle.
That said, what do you have in the 10 gallon? Stocking has a lot to do with it. I used to use my 10 as a growout for platy fry and the gravel in there was absolutely FULL of poop every time I cleaned, but they're livebearers (AKA poop machines) and there were quite a few, so it was understandable. The five dwarf puffers in there now hardly have anything to vacuum up.