Fluval Ammonia Test Kit for Fresh & Saltwater (Includes 50 Tests)

API High Range pH Test Kit (Freshwater and Saltwater) - 160 Tests

API Freshwater/Saltwater Ammonia Test Kit (130 tests)

API pH Freshwater Test Kit - 250 Tests

API Copper Test Kit Freshwater and Saltwater (90 Tests)

Tetra EasyStrips Complete Kit for Freshwater and Saltwater Aquariums (25 pack)

Fluval pH Wide Range Test Kit for Fresh & Saltwater (Includes 100 Tests)

Fluval Phosphate Test Kit for Fresh & Saltwater (Includes 75 Tests)

API Freshwater pH Test & Adjuster Kit

Nutrafin Nitrate Reagent #2 Refill (10 mL, 0.3 fl oz)

Fluval Nitrite Test Kit for Fresh & Saltwater (includes 75 tests)

API Carbonate Hardness Test Kit

API Reef Master Test Kit (120 tests)

API Nitrate Test Kit (Freshwater & Saltwater) - 90 Tests

API Freshwater Master Test Kit

API Freshwater/Saltwater Phosphate Test Kit (150 tests)

API Saltwater Master Test Kit

API Saltwater Calcium Test Kit