Salifert test Kits are the epitome of accuracy and precision. Their wide range of available tests have all been designed to detect the smallest traces of certain elements, without interference from other chemicals within the water. Simply put, These are the best test Kits you can buy- hands down. The sharp, contrasting color changes make results easy to read so theres no second guessing. Trust your aquarium to salifert. This ammonia test will detect the smallest fluctuations of ammonia in saltwater reef aquariums so you can be sure your corals and other invertebrates are receiving an adequate amount for their general health and growth. Easily test the ammonia/ammonium level in your tank. Salifert test Kits feature some of the easiest to read results available to each Testing method. The salifert ammonia test kit contains 50 tests and can easily detect 0.5 ppm of total ammonia. Made in holland and a top choice of marine aquarists globally.