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

Quick & easy-to-use 150 tests in total! For tropical & coldwater aquariums

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