Product Overview: API Ammonia NH3 NH4 Test Kit 130Pcs is a comprehensive test kit designed to measure ammonia levels in both freshwater and saltwater aquariums. With 130 test strips, it helps ensure optimal water quality, preventing toxic ammonia buildup that can harm fish. Key Features: ‣ Measures Ammonia Levels: Accurately detects NH3 and NH4 in aquarium water. ‣ 130 Test Strips: Provides ample supply for frequent testing. ‣ Ensures Fish Safety: Helps maintain safe ammonia levels, preventing fish stress or illness. ‣ Easy to Use: Simple instructions make testing quick and efficient.