Optimum Readings

fatrip

Yup That Stuff
Hi guys I was wondering what the optimum readings are in terms for Cal and Alk in your tank???
 
Any calcium reading over 380 ppm is good. Too much calcium and you risk precipitating out carbonate. Its interestingly possibly more important to have alkalinity at the higher end of the range George mentioned to insure good coral skeletal development. Its also important to test magnesium to insure levels between 1300-1350. This is important since we are trying to keep calcium and alkalinity at supersaturated levels. Without sufficient mangnesium, they can start falling out of suspension. Following Randy Holmes Farleys recipes with proper dosingwhich you eventually calibrate by frequent testing will insure proper concentrations of all three.
 
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