Sam I switched to kent a few months ago and to the tank and corals it made no diffrence. I now use kent because it's the same price here as IO and I find it mixes with a higher Alk and Calcium readings so it's not lowering my tank levels when I do a waterchange.
cheers
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No matter what the morrow brings, inventors keep inventing things.
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Jonathan
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www.cakerybakery.ca
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