stain brown

  1. P

    Yellow staining on the wall - metal? mustard algae? calcium buildup?

    Hi all, I have a relatively new pool owner. Have had it for about 2 years. I do my own chemistry and up until last year (2023) my pool was perfectly fine. This last winter the pool got a bit more dirtier than usual and upon opening this summer I have had a many issues and have spent more money...
  2. V

    Brown stain between stair line tiles

    Hey all new pool here (about 60 days from plaster) and while I was having some repairs done I noticed a line of brown stains that are right in between the stair line tiles. The first two pictures are from last week when repairs were being performed. Red arrows are pointing to the stains. Pool...
  3. M

    Stains on Pool Walls? Pics

    Hello! Brand new here :) Like many other newbs, I let my pool go over the winter (sorry). I am currently on week two of my SLAM and the water is looking soooo much better; however, now that I can see better I have discovered that many of the walls are stained…. I am on well water, but I...
  4. A

    Clear Green Pool Algae or Iron

    I've been battling this clear to cloudy greenish pool for about 2 years thinking it was an algae problem. SLAMing about every 2-3 months with some clearing but then it comes back. I have staining of the pool steps and liner and tried ascorbic acid on stains and they cleared right up. Im thinking...