50 test strips. NEW: With a chlorine test (disinfectant in tap water). pH test from 6,4 to 9,0 (acidity of the water). KH test from 0 to 20 °dKH (pH stability of the water). GH test from <1 to > 21 °dGH (general hardness).
JBL EASY TEST 6 IN 1
S$26.00 Regular Price