Recent content by cblankes

The brown spots are very slippy to the touch. When I vacuum over them I pick something up because the spots become darker. I think I suck up some lighter brown algae leaving the darker spot below. I've tried the ascorbic acid in a sock to no avail.

I had to resize the image. Here it is...

So I have just got my TF-100 test kit and here are my numbers... FC = 1.0 CC = 0.0 TC = 1.0 pH = 7.8 T/A = 130 CH = 290 CYA < 20 Again, I'm running a SWC (Autopilot) and have an in ground vinyl pool (18 x 36 oval). I took a picture of an area where I've been able to brush off some of the white...

I've been reading the various forums trying to diagnose and find a solution to my problem. I think I have calcium scale buildup on my vinyl liner. Here are the details and test results... I am currently running a Autopilot SWG. For the past 2 months I have been out of the country and my wife...