What is HTH chemical?
Calcium hypochlorite, Ca(OCl)2 is also known as Dry Chlorine or HTH, Calcium hypochlorite is used to disinfect drinking water.
Can HTH be used in drinking water?
Add one heaping teaspoon (approximately ¼ ounce) of high-test granular calcium hypochlorite (HTH) to two gallons of water and stir until the particles have dissolved. The mixture will produce a chlorine solution of approximately 500 milligrams per liter.
How long after HTH pool shock Can you swim?
You need to wait for at least 8 hours and up to 24 hours after using a chlorine-based shock before you can swim. And you’ll want to retest your water to make sure your chemical levels are within range. If your free chlorine is at or below 5 ppm and your pH levels are at or below 7.6, it’s likely safe to swim.