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145 Posts
Hey Guys,
Wondering if some has some info or hard evidence about bio balls?
hypothetical - say you have 1sqm, and you can place 100 x 40mm bioballs or 200 x 20mm bioballs what has more surface area and therefore better to use.
Replies awaited
Wondering if some has some info or hard evidence about bio balls?
hypothetical - say you have 1sqm, and you can place 100 x 40mm bioballs or 200 x 20mm bioballs what has more surface area and therefore better to use.
Replies awaited
