Free Chlorine Low After Shocking Pool. You cannot shock a pool now and then. For the first time the year, i shocked my pool (in ground, vinyl, about 12,000 gal.) with 1 lb power powder plus.
All you need to do is to refill the chlorinator feeder with jumbo tablets. Best time to shock a pool to raise free chlorine. Shocking after parties or other unexpected contaminations is highly recommended.
If it is low, you will use a chlorinated shock.
Simply adding chlorine in the form of chlorine tablets, granular chlorine, liquid shock or powder shock will increase the total amount of chlorine within the pool. At 5 ppm it is safe to swim in Bring your chlorine levels to 20ppm or three times higher than the current levels. Is it safe to swim in a pool with low free chlorine?
