Yep, saw two different pails at one LFS in Vernon last week. I think the new formula is called IO reef crystals and is indeed designed to provide better levels of mag, calcium etc for reef tanks. Costs substantially more too.
Reef Crystals has been around for a while. Is the OP simply referring to Reef Crystals or a whole new formulation for plain old IO?
07-13-2009, 04:47 AM
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