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API Test Kits
API® | KH TEST KIT
API GH & KH General & Carbonate Hardness Test Kit - Freshwater
kH Test Kit > Hanover Koi Farms
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
KH Carbonate Hardness Test Kit - Freshwater/Saltwater - API | DYNO.CA