Not sure how much more you added but I think Jason told me 4 hours should be long enough after adding all of mine.
Found it :-D per Jason
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.