Test for measuring carbonate hardness of water
· Recommended level for fresh water: 4-8º dKH
· 1 drop = 1º dKH (GCH)
· Color range from blue to yellow
· For fresh and salt water
JBL KH Test-Set - Test for measuring the carbonate hardness of water
Вариант: JBL KH Test-Set - test for measuring the carbonate hardness of water
