German JBL Fish Tank 6 in 1 / 7 in 1 test stick water quality test test strip paper agent PH/NO2/NO3/GH/KH/CO2 - AliExpress
JBL PROAQUATEST EASY 7in1 Test strips for quick aquarium water testing
Aqua Empire - Yay they are back in! Now 7 tests in 1. Nitrite, Nitrate, General Hardness, Carbonate Hardness, Ph, Chlorine and Carbon-dioxide. Still the same price R369.90 #aquaempire #jbl | Facebook