Feb 27, 2017 - Shocking, on the other hand, takes longer to adjust the pool. As a result, there has to be a longer waiting period before it is safe for swimming. 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. Mar 2, 2018 - It will be roughly eight hours before you can safely swim again. It can be toxic to aquatic life (making it a solid algaecide), so you must take care when disposing of recently treated water. Shocking your swimming pool is a very important element in maintaining your pool water's clarity and . How long should I wait to swim after adding chemicals? Jul 3, 2016 - How long should I wait to swim after shocking my 20000 gallon pool for the first . Quora User, 8 Years as a certified USA Swimming Official. Jun 3, 2012 - We shocked our pool last night. I found the cya/chlorine chart to find the recommended shock level. Ours was 16. So we got up this morning . Aug 7, 2014 - After using Fresh 'N Clear, swimmers only need to wait for 15 minutes before entering the pool again, so it's a great option to use when everyone is taking a break. How long should I wait to go swimming after adding any of my swimming pool chemicals. I've heard different stories from different people. Jun 9, 2018 - Sign InJoin · Dengarden»; Swimming Pools & Hot Tubs . Shocking the pool alone will not clear it up. . A pool with a good working DE filter will not normally be cloudy if the pump is being run on a long enough cycle. Do you . Splash Pool Supply is a swimming pool maintenance, repair & restoration services for both residential . How long after adding chemicals can I swim? . Add a dose of algaecide, bring your chlorine level high by shocking, and run the filter .