API GH & KH Hardness Test Kit

API GH/KH Hardness Test Kit tests tap water and freshwater aquariums for general water hardness (GH) and carbonate hardness (KH).

Need API GH & KH Hardness Test Kit today? You can pick up your order in just 15 minutes from your local Petstock store with Click & Collect or get it delivered today with same-day delivery when you order before 4 pm in metro areas from select stores. Want to make reordering easier? Set up flexible Repeat Delivery and never run out of your pet's essentials again.