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 .......so both just to keep up with the calcium, not to help stabilize PH/Alk levels also ? 
				__________________Mike
 
 150g reef, 55g sump, T5's, Vertech 200A, Profilux III - German made is highly over rated, should just say Gerpan made.
 
 Reefkeeper - individual obsessed with placing disturbing amounts of electricity and seawater in close proximity for the purpose of maintaining live coral reef organisms.
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