Red Sea Ammonia Marine Test Marine Kit is an advanced colorimetric test measuring the total ammonia (NH3/NH4) in marine aquariums to an accuracy of 0.2 ppm. Red Sea Ammonia Marine Test Kit simple to use test kit is essential during the initial stage of the biological maturation of all marine and reef aquariums. Red Sea Ammonia MarineTest Kit Includes 100 tests. Red Sea Ammonia Marine Test Kit Specifications: Test Name Accuracy Range Test Type No. of test NH 3 /NH 4 0.2 ppm 0-2 ppm Colorimetric 100