API Carbonate Hardness Test Kit - For Freshwater & Saltwater Aquariums > Champion Lighting & Supply
Tests tap water & freshwater aquariums for general hardness (GH) and carbonate hardness (KH). Helps prevent fish stress caused by rapid pH shifts, the result of low levels of KH.
API Freshwater GH & KH (Hardness) Test Kit
Fluval Master Test Kit for Aquarium Water, Freshwater & Saltwater Fish Tank Test
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit
Phosphate Test Kit, 50 Count Aquarium Phosphate Test Strips, Aquarium Water Test Kit Fast & Easy Testing Phosphate for Freshwater & Saltwater : Pet Supplies
API GH & KH General & Carbonate Hardness Test Kit - Flip Aquatics
API CALCIUM TEST KIT Saltwater Aquarium Water 1-Count Test Kit, 69L (69L) : Pet Supplies
API Pond KH Carbonate Hardness Test Kit - Webb's Water Gardens
API CARBONATE HARDNESS TEST KIT Aquarium Water Test Kit : Pet Supplies
API KH Carbonate Hardness Test Kit
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Umlecoa 7 in 1 Aquarium Test Kit for Freshwater and Saltwater - 125 Aquarium Test Strips with Test Tube & Thermometer - Fast & Accurate Water Testing Strips for Aquarium/Pond/Pool : Pet Supplies
Umlecoa 7 in 1 Aquarium Test Kit for Freshwater and Saltwater - 125 Aquarium Test Strips with Test Tube & Thermometer - Fast & Accurate Water Testing Strips for Aquarium/Pond/Pool : Pet Supplies
API KH TEST KIT - Aquatics Unlimited
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit