I would SERIOUSLY recommend a Hang on Back (HoB) filter instead of the undergravel. I tried one out in a small tank recently and it was horrid.
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29G - Cories, Black Skirts, Yoyo Loaches, SAE, Betta
10G - Betta, Ottos
3G - Betta Retirement Home
10G - Crayfish tank in the works... no bettas allowed |