absorbic acid

FWIW, I’ve done several AA treatments over the last 2 years and have gotten pretty good at them where it’s become something I can do with my eyes closed. In the past, I followed all the usual procedures and also waited until there was really heavy staining on my plaster, then bring FC to 0, add...

I have a pool with significant staining. I’m currently doing an absorbic acid treatment and some stains are reducing but others won’t budget. I’m planning to drain the pool after the AA treatment. Can I acid wash some of the residual stains while the pool is draining? If so do I need to raise...

Hello! A couple of years ago I purchased a home with a pool that had significant staining. Last year I had the pool drained and acid washed; staining was greatly reduced but there’s still some residual. I’d like to do an absorbing acid treatment and then drain the pool again (I don’t want to...