But the idea of the. southern Arabs being of the posterity of Ishmael is entirely without. foundation, and seems to have originated in the tradition invented by Arab. vanity that they, as well as the Jews, are of the seed of Abraham--a vanity. which, besides disfiguring and falsifying the whole history of the patriarch.
Muriatic acid is most commonly used in swimming pools to lower the swimming pools PH and to lower the pools alkalinity. You should use caution when working with muriatic aci â¦ d. Not only can it stain your clothes, pool deck, etc, but if you inhale too much it can cause tissue damage.hat's our pool, though, I would get one of the PH testing kits you can get at pretty much any pool supply store.Hope this helps!Mrs. Gregory Our pool installer told us to wait 3 hours after adding acid to the pool. We use the liquid form, so I don't know if the wait time is different for other forms.
For other chemicals a 2 hour wait should be fine but for the best water quality, one complete turn-over. Some people say 30 minutes,but I've always error on the side of caution. If you pour muriatic acid in the pool and swim within 10 - 15 minutes you might get a hot spot of acid that can burn you.