Can I swim 4 hours after shock?
Can I swim 4 hours after shock? It is recommended to wait at least 20 minutes to an hour after adding water balancing chemicals. You should wait 2-4 hours (or one full cycle through the filter) to swim from the moment you use calcium chloride in your pool. It is safe to swim once your chlorine levels are around 5 ppm or after 24 hours. How long does it take for super shock to work in pool? Keep your pump and filter running. Give the shock a good 12 to 24 hours to work it's magic. If the algae hasn't...