ok substrate test inprogress.
Marc, they are in fresh water as I don't have any salt water here yet.
smokinreefer, reefburnaby has been using it for 6+ months in his 90 gal though and says it it fine. so.... [img]images/smiles/icon_biggrin.gif[/img]
I will try do a ph test befor I got to bed and see how clear they are tonight.
Steve.
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