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Re: Mineral content etc


What do you mean when you say mineral content? Does the water
color change? Are you actually measuring something that is
changing? e.g. PO4 CO3 HCO3.
A great many people do not use carbon in their filters myself
included and have no problems. You can substitute gravel for
BTW is this tank cycled? The NH3 seems high.

Marshall Wilkinson
Calgary Alberta