Ammonia test kitr red searsquos ammonia test kit is an advanced colorimetric test measuring the total ammonia nh3nh4 in marine aquariums to an accuracy of 015ppm the toxicity of ammonia is dependent on the ph and temperature of the water after completing the test calculate the toxic ammonia as instructedr part of the marine care program this simple to use test kit is essential during the initial stage of the biological maturation of all marine and reef aquariums see red searsquos r