AQUACHEK Silver 7-In-1 Test Strip 100 Count 551236 high-visibility-hats Press the temperature control button

Press the temperature control button to change the heat setting: red is high

* highest available in over-the-head style earmuffs

one-hand touch drop-down mechanism for putting the facepiece on and taking it off while moving in and out of contaminated areas

Exhalation valve cover helps direct exhaled breath and moisture downward to reduce fogging of eyewear and grinding and welding shields

Hydrates with electrolytes that help them replace the carbs

AQUACHEK Silver 7-In-1 Test Strip 100 Count 551236 high-visibility-hats Press the temperature control buttonHigh quality Hach chemistry on an easy to use test strip. Simply dip the strip in sample and compare with colors printed on the bottle to find a reading. Test strips are accurate, portable, and low cost. Silver Test Strips test for; Total Hardness, Total Chlorine, Total Bromine, Free Chlorine, pH, Total Alkalinity, Stabilizer (Cyanuric Acid)