algae spots

  1. Z

    Is this black algea? and best way to get ride of it please

    Please see pictures. I have been very sick for two and half weeks, and the pool developed this type of algea everywhere on the bottom, especially around corners. I tried brushing with nylon and stainless steel brushes, and neither worked (stainless steel took away the very light surface). I am...
  2. T

    Help with eliminating yellow/brown algae spots

    Hi everyone, I have a question about how to treat the algae that is pictured here: Here are the details of my pool: ~18k gallons Plaster Constant leaves and other debris from overhanging trees falling into pool Grubs like to drown themselves in the pool I SLAMmed the pool last week while...
  3. R

    Question on if I have to keep up Slam Process

    It's been very hot here and a day a go I saw it, the dreaded algae on my steps. My chlorine was in range so I was surprised then I remembered that my pump was still cutting off 9pm to sunrise (sometimes I'm not that smart, I do that when it's cooler...hello it's summer). Anyway, got in it...
  4. A

    Noticed a few small green spots

    Hi, I noticed a few small green spots on the walls of the pool. Here are the current measurements: pH 7.8 TA 8 CYA 50 FC 6 Calcium 250 Salt 2400 Just wondering what I need to do to get rid of the green spots before it gets worse. Thanks.
  5. Siris21

    Algae Issue - What am I missing??

    Good morning! Pool: 13,500 Fiberglass Chlorine pool with Hayward Chlorine Generator (more on this later) Specs from pool store test: FC: 6.5 TC: 6.5 CYA: 84 (more on this later) PH: 7.7 TA: 106 CH: 193 Phosphate: 0 TDS: 1,000 -We were dealing with what I thought was Mustard Algae early in the...
  6. MeowMeow724

    Black Algae Starting - Please Help!

    Hello.... the perfect storm has occurred and I am now realizing I am starting to have a black algae problem in my pool. I started seeing some black colored build up on some tile grout lines and finally took one chunk off and smeared it onto a towel, which turned green. I noticed a couple of...