API Freshwater Master Test Kit, Over 800 tests, 4 test tubes and holding tray

Will not permanently colour the aquarium water Harmless to filters and all species of fish and plants. Calculate dosage from table in guide to fish health (enclosed)

Tetra SafeStart contains specially bred, living nitrifying bacteria that substantially reduces the ammonia content by up to fourteenfold and the nitrite content by up to tenfold reduce harmful ammonia and nitrite in tanks can be used when setting up a new aquarium, as well as after use of medicinal products and after every water change an ideal combination with SafeStart is AquaSafe, which establishes an ideal environment for bacteria, thanks to the BioExtract formula