While performing a No Dran Acid Wash you should not swim since the water will be very acidic. Only swim after rebalancing your pool. You can find more information in the Directions tab on the product page.
After using No Dran Acid Wash and the pool's pH and Total Alkalinity are balanced, you can begin to raise your chlorine. We don't recommend you shock, but rather increase your amount of regular sanitation to slowly raise levels back up. This will ...
By itself, a little bit. No Dran Acid Wash is acidic and will slightly lower pH. However, following the directions you will need to drop both the pH and Alkalinity significantly. You can find more information in the Directions tab on the product ...