Product: JBL pH Minus 250ml – pH/KH down
Phosphate-free preparation to reduce the pH level. Any variation in the pH level should be checked with a pH test. The CH should be checked before use and adjusted to 4-8° dCH.(using JBL AquaDur plus). To test the lime content of stone add a few drops of Aquacid to the stone. The development of foam indicates the presence of lime.
- pH level 8: 10ml for 40l
- pH level between 7 and 8: 10ml for 80l
- pH level down 7: do not use JBL Aquacid