Recent content by swampman

I've been using liquid chlorine for the last few years on my +/-30k gal inground plaster pool. Finally decided to make the switch to a SWG and ordered a RJ-60 PLUS from Discount Salt Pools. My question is: should I remove the inline tab chlorinator (Pentair 320C) or leave it on the line for...

Let's say that Pool Math shows my Target FC at 6. If my water tests at 3.5ppm, PM tells me to add 3qt of 10% LC to get it up to 6. Question is, should I always add more than the recommended amounts to sustain my FC levels above the target value, or add just enough to raise the FC up to the...

My pH will creep up from time to time if I don't stay on top of it. I am starting to see some buildup on the tile, although it is very minimal at this point. What is the treatment for calcium scale?

It’s the discoloration on the walls that I’m referring to

Here is a pic. No real pattern that I can tell.

Yes, trying to Edit: poolMath says 22 for CYA @ 55

Last full test before starting SLAM FC = 3.0 CC = 0.0 pH = 7.8 TA = 70 CH = 325 CYA = 55 Using 10% Pool Essentials bleach from Home Depot

We've got several yellowish/brownish areas on the white plaster walls that are concerning us. They feel "slick" to the touch, but cannot be brushed or scraped off even with alot of force. Doesn't respond to Vitamin C at all, so we suspected mustard algae. Water has always been crystal clear and...