This is the calculator I’ve been using for almost 20 years.
https://reef.diesyst.com/chemcalc/chemcalc.html
https://reef.diesyst.com/chemcalc/chemcalc.html
Thanks.Buy with confidence, I've been using this with great results.
See you monday!Pm send
It is 99% pure with the impurities being water and magnesium. If I recall theirs is not as pure. It is a fraction of the cost of what BRS sells.How does this compare to the pharma grade dry CaCL from BRS?