D.I.Y. projects

C.O.2. injector

1. put yest and sugar in a empty soda bottle

2. cut a hole in the cap and place airline tubing through it

3.put an airstone on the end and place the airstone in the tank

CAUTION: do not put the C.O.2. injector in your tank if you do not have plants! C.O.2. stands for carbon dioxide, which is harmful to fish, but plants LOVE it!

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