I'm planning an ascorbic acid treatment and a drain out.

Chuckiechan

Well-known member
Jun 10, 2014
488
Roseville, CA
I plan to do the AA treatment on my plaster pool. Do I let it do its thing for 24 hours, then begin pumping out the pool. Do I still need a sequestering agent?
Also, what is the PH protocol? Do I add the AA then bring it back to neutral? Or is the relatively short time between the AA treatment and draining make that irrelevant.

Thanks in advance.
 

JohnT

Admin
Mod Squad
TFP Expert
Apr 4, 2007
9,927
SW Indiana
Pool Size
21000
Surface
Vinyl
Chlorine
Liquid Chlorine
If you are going to drain right away, you might get by without the sequestrant, but then again if the drain takes longer than you think it might be cheap insurance that the iron doesn’t end up back in the water. I wouldn’t worry about pH unless things hang and your numbers are way out.
 
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Chuckiechan

Well-known member
Jun 10, 2014
488
Roseville, CA
BTW, The pool app did say to add acid. I used Boric acid as my choice, rathe than the tetraborate pentahydrate.

What is the benefit over 20 mule team? I'm thinking it may not be worth the hassle if it a wash. I'm in the "gathering phase" of supplies for an ascorbic acid soak, pump out, repair, refill back to SWG specs.

BTW, thanks for helping here.
 

mguzzy

Gold Supporter
If you decide to go a sequestrant, Metal Magic and Jack's Purple are the two most popular I have seen mentioned here. But I kinda agree with the others... if you are going to drain anyway, why bother. As long as you keep the pH the same during the draining process it should stay in soln.
 
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