Ya' MY refugiums are BB, for now. That sounded like I was preaching the gospel with no clue what I was talkin' about didn't it?
I haven't heard any really negative reviews about the "mud" theory, I just don't know if the cost justifies the results. Difficult though with a relatively new product, but I was jumping on the bandwagon when powerheads replaced air stones on UG filter systems for marine tanks...yikes!
As for the sand, is "play sand" still a good option and "seed" it?
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Doug
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