This will not harm the vinyl liner although unbalanced chemicals over time will have damaging effects.
Adding acid to vinyl pool.
Muriatic acid and chlorine are the main chemicals.
Check the ph levels again.
Measure the dry chemical pre dissolve in a bucket and pour around the perimeter of the pool never into the skimmer directly.
Do not re enter the pool for at least half an hour.
If you need to bring your ph back up a little you can continue running your pump to aerate the water.
If the ph levels are still too high you may add a little more muriatic acid.
Yes you should take some extra precautions when adding some chemicals to a pool with a vinyl liner.
Adding muriatic acid directly to your pool can create a hot spot of acid that can potentially burn or irritate the skin if you swim too early.
The return jets in the pool help with spreading the acid evenly in the water.
Be aware that because cya is an acid it can cause damage to your filter and to your pool especially if you have a vinyl liner.
This dilutes it a bit.
Muriatic acid is commonly used but also dry acid.
If you are adjusting the ph in a vinyl lined pool using muriatic acid add slowly to the deepest part of the pool with the pump on and water circulating.
Muriatic acid contains hydrochloric acid concentration levels between 28 to 35 percent.
After a few hours test the ph level again.
Swimming in hydrochloric acid can irritate your eyes and.
Even though some cyanuric acid product labels may instruct you to add it by pouring it straight into the pool or filter don t.
When it comes to adding make sure to do it in small portions and not to stick to one area of the pool.
The effect of muriatic acid on pool surfaces however is hard fact.
The procedure for adding granular acid is pretty much the same as adding calcium chloride or sodium bicarb to a pool.
Add the acid to the pool water.
Turn on the pool pump and slowly add the acid and water mixture all the way around the pool s perimeter.
If you want to be sure you won t accidentally damage your pool turn your pump back on for half an hour immediately after adding the muriatic acid.
Acid is heavier than water and will sink straight to the bottom.
Make sure to turn on the pool filter before adding the acid.
When adding acid it s best to mix it first in a bucket with water.