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Natural seawater has a KH of 8 dKH or alkalinity of 2
Freshwater/Saltwater High Range pH Test Instructions:
Product guidelines
1 ft (4 m) of 1" diameter tubing
Add the bacteria after the new water has circulated for the 24-hour period
CaribSea A.R.M. Calcium Reactor Media 1 Gal (Coarse) accessories Natural seawater has a KHA complete reactor media containing not only calcium and carbonate, but essential trace elements as well. In fact A. R. M. has nearly 50 times the strontium of other brands (7390 ppm). A. R. M. is processed for immediate use, no rinsing required, and has double the surface area of regular aragonite. Precision grading (2 3 mm) allows for maximum carbon dioxide penetration, and the exclusion of gastropod shells insures the lowest phosphate (less than 1