Quote:
Originally Posted by StirCrazy
If you are getting the numbers you posted above from IO you must have a special batch.
While I do think IO is one of thebetter salts it is horably low in Mg like any other salt as Mg is an expensive additive. If you start a tank with it after a week check the MG and adjust it up to about 1350 to 1400ppm. This will also cause your Ca to raise if it is being supressed by low Mg.
I wouldn't worry about raising a 390 Ca level as that is about as perfect as you can get.
Steve
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I'll test my IO next time I test my tank (hmm...I never do that anymore lol). But now I am interested since everyone seems to have such different readings than me. When I was testing my tank regularly the Mg was staying ~1380 ppm just with waterchanges. I like to keep my Calcium over 400 ppm so I do bump it up a bit. I aim for ~420 ppm. Alkalinity is always bouncing around between 7-12 dkh. I haven't been able to get it overly steady.