Pool Shock: Calcium hypochlorite (chlorine) has a very high pH level, so, if you’ve shocked your pool with this inorganic compound, pH levels can spike and the calcium hardness level can increase, causing the water to appear cloudy. Accidentally Dosing With A pH Increaser: It could be ...
To be safe, wait at least an hour for the muriatic acid to dissipate. Then, retest your pool water before swimming again to make sure your pH isn’t too low. Adding muriatic acid directly to your pool can create an “acid hot spot” in the water. This can burn or irritate your skin...