I bought a gal. of ONA to eliminate the smell. Was wondering what others use for this. My grow is a box 38" long, 38 " high and 18 " deep. Too small for a filter and I can't afford anything like that anyway!
I bought a gal. of ONA to eliminate the smell. Was wondering what others use for this. My grow is a box 38" long, 38 " high and 18 " deep. Too small for a filter and I can't afford anything like that anyway!
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