w/ biowheel, need airstone?
i read somewhere (dont remember where) that if you have a biowheel, you dont need an airstone. it said that the biowheel is sufficient to oxygenate the water. is this true?
i read somewhere (dont remember where) that if you have a biowheel, you dont need an airstone. it said that the biowheel is sufficient to oxygenate the water. is this true?
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