SeaChem Reef Status Magnesium Testing (includs tests for Borate and Carbonate) Four kits in one! Tests for magnesium through a titration based procedure in increments of 12.5 mg/L. Tests for carbonate alkalinity, borate alka...
SeaChem MultiTest: Marine Basic Test Kit This kit combines the Marine pH & Alkalinity, Ammonia and Nitrite & Nitrate kits into one kit. (pH, alkalinity, free/total ammonia, nitrite, nitrate MultiTest Kit)
This kit combines the Phosphate, Silicate, and Iodine/Iodide kits into one kit. (phosphate, silicate, iodide MultiTest Kit)
multi-cavity plate for simultaneous testing of up to 6 tests at the same time
Salifert Algae Package includes Phosphate, Silicate, and Nitrate