yes but i recommend having your water tested by a professional first. They will tell you how much acid to add to your pool and the steps to take afterward. Most pool places test water free of charge.
If it's calcium then it will foam up if you put straight muriatic acid on it. this wont hurt the tile. however be careful as muriatic acid can be dangerous stuff.
Muriatic Acid
Any time you like.
That Acid is called Muriatic Acid. You put it in your swimming pool to lower the PH of the water. At lower PH Levels, the chlorine you use to sanitize the pool is more active, as a disinfectant. You MUST be careful not to put too MUCH Muriatic Acid in your pool! PH that is too low will create potentially deadly fumes, so test your water. Low pH is corrosive to plaster and metal pool parst.
Muriatic acid
only about an hour if you are using baquacil
Acid reduces Ph So by adding potash you will neutralise the acid and regain the correct Ph
liquid pool acid is Muriatic acid or more commonly know as Hydrochloric acid (HCl)
You can get in imediately without worrying about hurting your self.
suck all the water out and keep it out for 24 hrs and put new water in
The hydrochloric acid is used for pool; this is a water solution of HCl.
Pool acid typically refers to muriatic acid, which is a common acid used to lower the pH levels in swimming pools. The main ingredient is hydrochloric acid. It is important to handle muriatic acid with care as it is highly corrosive and should be diluted before adding it to the pool water.