Quote:
Originally Posted by Nicky09
You're only supposed to do 20% water changes at a time so its not very stressful on the fish. I heat the water until its at the same temp as the tank before I put it in. I have 200L not sure what you would consider large.
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I suppose it would have been about that,mines 500L how do you heat your water? Trouble i have is tank hoover sucks out somuch water whilst cleaning and 4 big oscars leave sooo much mess

I need a hoover that doesnt remove water,but that is long enugh to reach bottom of tank.(2ft)