For a 55 gallon drum, how many bio balls should you use? And if possible can you give me a number like 500, 1000, 2000?
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For a 55 gallon drum, how many bio balls should you use? And if possible can you give me a number like 500, 1000, 2000?
Fill 1/3 of the drum. I sell k1 if you need it..