Re: Alkalinity situation.

My tank calcium is up around there too and the tank is crystal clear. My R/O water tests 0 but once I add the Coralife salt it's up to 600+. My alk is 5.

I would think that the alk is VERY low for there to be no colour change when there is a colour change with the tap water???

Boomer wrote:
Re-read your instructions. With levels like you posted your tank should be all cloudy. What have you added to the water to get it that high, if it is that high, which I doubt. Did you put any home made rock in there? Go to the fish store and test their water. Whatr kind of salt are you using. Test a fresh batch, like a gallon or two. FasTest kits are very good kits but their Alk kit is poor.
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