Test strips pH , 4-9 pH units
SKU : 2745650
13,30£ Prix original
12,64£Prix promotionnel
Most natural waters range from pH 4 to pH 9, but commonly are above pH 7 because of carbonates and bicarbonates (alkalinity). The pH of water used in industry, boiler feed water, and swimming pools usually is kept within a narrow range. Contains 50 tests.
