width="452" height="452" sizes="(max-width: 452px) 100vw, 452px"> -6% New pH Controllers Pool Line pH Controller and Dosing Pump - BL100-Meter, probe and panel mounted flow cell kit $822.17 $772.84 Add to Cart
width="452" height="452" sizes="(max-width: 452px) 100vw, 452px"> -6% New Portable Photometers Pool Line pH, Alkalinity, Free & Total Chlorine, and Cyanuric Acid Portable Photometer - HI971044 $419.07 $393.93 Add to Cart
width="452" height="452" sizes="(max-width: 452px) 100vw, 452px"> -6% New Cal Check Standards Pool Line Phosphate Low Range Checker® HC Calibration Check Set - HI7134-11 $21.28 $20.00 Add to Cart
width="452" height="452" sizes="(max-width: 452px) 100vw, 452px"> -6% New pH Meter Pool Line Professional Waterproof Portable pH/ ORP Meter - HI981914 $920.40 $865.17 Add to Cart
width="452" height="452" sizes="(max-width: 452px) 100vw, 452px"> -6% Chemical Test Kits Pool Line Quick Total Hardness Chemical Test Kit - HI38904 $29.31 $27.56 Add to Cart
width="452" height="452" sizes="(max-width: 452px) 100vw, 452px"> -6% ORP Meter Pool Line Waterproof ORP & Temperature Tester - HI981204 $214.17 $201.32 Add to Cart
-6% Laboratory Thermometer Pronto Water-resistant Wall-Mounted Precision Thermometer (°C) HI146-00 $120.08 $112.88 Add to Cart
-6% New Laboratory pH Calibration Buffer Technical pH 8.00 Calibration Buffer Solution, 1 L, ±0.01 pH Accuracy, HI5008-01 $66.69 $62.69 Add to Cart