How long before swimming after adding borates?

poolneophyte

LifeTime Supporter
Jul 1, 2009
267
Long Island, NY
I am ready to add borates using the boric acid method. After adding the boric acid, how long should I wait before letting the kids back in the water? I would like to add the boric acid either tonight (after the kids are done swimming) or tomorrow morning (while they are at school). If I add it tonight, should I leave the pump running all night?
 

orthofish

LifeTime Supporter
Jan 21, 2009
562
Northern Middle Tn.
Here's the answer Jason gave me. :goodjob:

You can swim if the FC and PH levels are reasonable and the water is clear. If you are adding borates with borax and acid, they will probably throw off the PH for a few hours. It is best to give the borax and acid four hours to mix without swimming and then double check the PH before getting in. If you are adding borates with boric acid, you only need to wait about 15 minutes before swimming.
 

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