Swimming Pool Testing (2011-6-23)
Swimming Pool testing
TDS Calibration Kit
$24.00
This kit is used to calibrate Hanna Instrumets meters that test TDS (Total Dissolved Solids). Includes twenty-five 20 mL units of 1,382 ppm solution….
pH Calibration Kit
$14.00
Kit includes five 20 mL units each of 7.0 pH and 10.0 pH solution. Used to calibrate the test meter….
Taylor Replacement Reagents DPD Solution [...]