Does anyone here use this stuff, called "Purple Up", to help coralline algae growth?
Does it help Liver Rock as well or should I stick with my Reef Energizer ?
Rob.
Purple up is horse hockey. It's the dust left over when Caribsea packages all that aragonite sand. It is impossible to have a single supplement provide a buffer, ALK, and CA in one package. It would react like cement and create aragonite sand precipitating out of suspension.
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