Thread: Coral Question
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  #32  
Old 01-19-2009, 06:15 PM
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When i started out in the hobby i used that same test kit... I then tryed out a ELOS Ca test kit to compare the diffrence; the Hagen kit said i was at 450ppm so i figured i was good... The ELOS tested @ 375ppm. IMO get a good set of test kits!!
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