Can someone please explain the results, the KH test took 13 drops and the GH test took 19 drops. It's the API test kit and it's not clear how to convert the
API GH and KH Test Kit (plnt) General Hardness (GH) and Carbonate Hardness ( KH) Test Kit for Aquaplant Accessories Aquaplant Helps Create a More Natural Habitat | Lazada PH
API KH Carbonate Hardness Test Kit for Fresh and Saltwater Aquariums
API GH/KH TEST KIT - Aquatics Unlimited
The Fish Keeper's Guide to pH, GH, and KH | Water Chemistry 101 – Aquarium Co-Op
API | GH & KH Test Kit – Super Cichlids
GH and KH Test Kit - For All Types of Ponds
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit - Chewy.com
API Carbonate Hardness KH Test Solution Kit For Fresh And Salt Water Used | eBay
API Carbonate Hardness KH Test Kit Fresh & Saltwater Tropical Fish
Amazon.com : API CARBONATE HARDNESS TEST KIT Aquarium Water Test Kit : Aquarium Test Kits : Pet Supplies