I am looking for the control of my science fair project which is: I have two fish tanks and 1 has a working filter and the other has a non-working filter. i put them both in the sun and under light and wait 4 algae 2 grow on the fish tanks and im trying 2 see which fish tank (the working or non-working) will produce more algae. plz help.Control of my science fair project?
hahah, do some research before you do a science fair project kid,
Algae won't just grow under sun/light even if it doesn't have filter. You need to contaminate it by putting it at a dirty place (such as your garage or a dog house)
oh yeah, good luck kid
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