API Reef Marine Aquarium Liquid Master Test Kit Fish Tank

Tests tap water and aquarium water Tests for Calcium, Carbonate Hardness (KH), Phosphate & Nitrate

API Saltwater Aquarium Liquid Master Test Kit Fish Tank

Tests tap water and aquarium water Tests for Ammonia, Nitrate, Nitrite, & High range pH

API Freshwater Aquarium Liquid Master Test Kit Fish Tank

Tests tap water and aquarium water Tests for Ammonia, Nitrate, Nitrite, pH (6.0-7.6) & High range pH (7.4-8.8)

API 5 In 1 Aquarium Fish Tank Water Test Strips

Simple to use 5 in 1 test strip Suitable for Freshwater or Marine aquarium water testing Tests for Nitrate, Nitrite, pH, General Hardness (GH) & Carbonate Hardness (KH)