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Forum: Dealing with Algae & Slime

Green & slimey, mustard lined, pink in the pipes, black algae mats; Green Treat, Yellow OUT, Yellow Treat, copper algaecides, & more.

  1. Sticky Thread Sticky: Adding Borax to Make your Pool Resistant to Algae

    ------------ STILL BEING EDITED ---------- We constantly recommend borax instead of soda ash, to raise pH in pools, for a number of reasons. But,...

    Started by PoolDoc‎, 08-06-2012 07:52 AM
    • Replies: 4
    • Views: 82,598
    10-23-2016 10:34 AM Go to last post
  2. Sticky Thread Sticky: Yellow mustard algae & Yellow Out vs Yellow Treat vs Mustard Master

    I take care of a 60,000 gallon swimming pool. There is no evidence of yellow mustard or any algea in my pool the pool is crystal clear and tests...

    Started by angiedubberke‎, 08-04-2014 10:38 AM
    • Replies: 2
    • Views: 15,587
    08-04-2014 01:27 PM Go to last post
  3. Sticky Thread Sticky: Dealing with mustard algae

    Mustard algae tends to be very chlorine resistant, and tends to reoccur. Most algaecides are ineffective against it. There are several options, but...

    Started by PoolDoc‎, 06-18-2014 09:29 AM
    • Replies: 0
    • Views: 13,220
    06-18-2014 09:29 AM Go to last post
  4. Sticky Thread Sticky: Avoiding Algae / Removing Algae

    I've posted and update several pages dealing with algae. Avoiding Algae (for all types of pools) avoiding-algae-in-swimming-pools.html ...

    Started by PoolDoc‎, 03-25-2011 04:05 PM
    • Replies: 3
    • Views: 22,626
    07-24-2011 09:40 PM Go to last post
  5. Sticky Thread Sticky: Green, Cloudy, Disgusting Pool? You have ALGAE!!!

    If you are a new member and you are looking for help with your water being green, dirty, cloudy, ugly, etc, here's what you need to do: You need to...

    Started by CarlD‎, 07-06-2006 10:15 PM
    algae, sticky
    • Replies: 9
    • Views: 34,715
    06-09-2011 03:14 PM Go to last post
  6. Sticky Thread Sticky: Testing high chlorine levels (without a good testkit)

    Moved to: how-to-test-your-pool-without-a-good-testkit.html

    Started by Watermom‎, 07-03-2010 12:52 PM
    • Replies: 0
    • Views: 13,613
    07-03-2010 12:52 PM Go to last post
  7. Sticky Thread Sticky: Filling from a well or have metals in the water?

    If either of these apply to your pool, please post in the metals forum. Our resident metals expert Marie will better be able to find your post that...

    Started by Watermom‎, 06-01-2010 04:07 PM
    • Replies: 0
    • Views: 12,259
    06-01-2010 04:07 PM Go to last post
  1. opening my green pool...UGH

    this is the first season we are opening our pool with SWCG. After closing for the winter with the winter cover I was expecting better...we had a...

    Started by Fiveattripp‎, 04-09-2017 08:14 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 9,639
    04-25-2017 06:56 AM Go to last post
  2. green pool already, help on how to handle it

    Well the wonderful warm winter we have had has caused me to start having an algae bloom. I never checked the chemical levels over the winter as i...

    Started by pbotz2000‎, 02-28-2017 09:49 PM
    • Replies: 2
    • Views: 6,141
    03-01-2017 07:53 PM Go to last post
  3. Some kind of Algae

    Hi, I posted in another thread and was getting some great advice from a couple of people but wanted to move it here to see if I could get a quicker...

    Started by spatt‎, 09-27-2016 08:27 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 9,010
    10-26-2016 03:19 PM Go to last post
  4. Is it safe for Dogs to drink highly chlorinated wate (like when Shocking pool)?

    I have a thread hear about getting rid of black Algae - which requires that I shock the pool. I'm concerned about the safety of my dogs if they go...

    Started by CountryBumkin‎, 08-26-2016 09:38 AM
    dog drinking pool water, dogs, high chlorine levels
    • Replies: 3
    • Views: 6,949
    09-07-2016 03:53 PM Go to last post
  5. Do I need to Shock to get rid of Black Algae - or is brushing enough?

    My pool has black Algae. It's a 20,000 gallon in-ground SWG pool in central Fl. I didn't notice that the SWG stopped producing chlorine because the...

    Started by CountryBumkin‎, 08-25-2016 08:33 AM
    black algae
    • Replies: 5
    • Views: 8,091
    08-26-2016 12:02 PM Go to last post
  6. Mustard Algae? Or chemical stain?

    <<photos sent to poolforum acct.>> Last year I had a localized stain (about 6'x3') downstream of the outflow where I put most of my chemicals in. ...

    Started by Vtattebury‎, 07-16-2016 12:59 PM
    2 Pages
    1 2
    chemical, chemical stain, mustard algae
    • Replies: 13
    • Views: 9,482
    07-29-2016 03:55 PM Go to last post
  7. Algae under vinyl pool steps

    I have been battling algae in my pool since I moved into my house. This pool had been neglected for many years and I'm still dealing with the...

    Started by zooba72‎, 05-18-2016 02:44 AM
    algae, vinyl
    • Replies: 6
    • Views: 8,163
    06-19-2016 01:41 AM Go to last post
  8. How can I tell if I have algae?

    I got my pool last year and, aside from having very hard well water, I didn't have any problems. I put polyquat in the water before closing the pool...

    Started by RaceAngel88‎, 06-07-2016 11:20 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 8,885
    06-17-2016 11:21 AM Go to last post
  9. Need a second set of eyes on my plan

    FIRST DAY: Opening the pool, water was more green than ever. I netted off the heaviest from the surface, and vacuumed the dirty bottom to waste. ...

    Started by Bosch232‎, 05-09-2016 08:01 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 8,941
    05-15-2016 02:46 PM Go to last post
  10. Gunite and startup half empty green and brown alge

    I have a salt water gunite pool about 40k gallons. It is half empty already as we had to replace lights. So my question is it simpler to just...

    Started by wishIcould‎, 04-28-2016 10:59 PM
    • Replies: 0
    • Views: 6,904
    04-28-2016 10:59 PM Go to last post
  11. treating algae before closing up pool

    Hey folks, I have a question. I have a pool - first season. It's a 15x30 semi-inground. In the past, I've been successful treating algae with...

    Started by Kcas0772‎, 09-30-2015 10:17 AM
    • Replies: 2
    • Views: 9,542
    10-03-2015 12:00 AM Go to last post
  12. Ongoing fight with mustard algae

    I have been vacuuming to waste and every time I turn the pump back on it see what appears to be the dust of the algae coming back in thru the jets...

    Started by smoovie‎, 09-06-2015 11:01 AM
    • Replies: 1
    • Views: 8,549
    09-06-2015 11:57 AM Go to last post
  13. Concrete pool - Black spots (Maybe Algae) ??? Need Help

    Post is edited. so I did a little more research and found out I do in fact have black algae. I live about 10 minutes from the Gulf of Mexico, and...

    Started by Wraypau‎, 05-28-2015 01:27 PM
    • Replies: 7
    • Views: 11,217
    08-24-2015 12:58 PM Go to last post
  14. Pool had a lot of algae and now finally balanced and algae gone but

    The water near the steps.. about 3.5 feet is clear but the deep end of it.. 11ft portion still remains cloudy. I put an algaecide and that cleared...

    Started by phillipjko‎, 08-01-2015 11:34 PM
    • Replies: 0
    • Views: 7,450
    08-01-2015 11:34 PM Go to last post
  15. The green algae tint that will not go away

    In 17 years of opening this 20x40 vinyl pool (guessing around 30k gallons), I've never had as stubborn a problem with clearing the water as this...

    Started by Orion‎, 06-21-2015 08:58 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 12,576
    07-23-2015 04:58 PM Go to last post
  16. Talking Success! Well, sort of

    Had a yucky pool--green with tadpoles and maybe a dead squirrel. Bought bags of dichlor to raise cya, and also using the BBB method. Got out as...

    Started by RobynUofA‎, 06-07-2015 04:24 PM
    • Replies: 1
    • Views: 6,919
    06-08-2015 01:14 AM Go to last post
  17. I don't think I got the right stuff

    Hi, I've got the beginning of an algae problem. I'm working pretty constantly to keep it at bay, but the surface of the pool is generally going a...

    Started by SL Dan‎, 05-27-2015 12:01 PM
    • Replies: 9
    • Views: 9,385
    06-05-2015 11:06 PM Go to last post
  18. CYA over 100 with yellow/mustard algae

    Hi, and thanks for the great forum. I've been reading for several weeks and finally decided to register and ask a question. I recently converted...

    Started by MikeM‎, 07-18-2013 10:44 AM
    6 Pages
    1 2 3 ... 6
    borates, hic2, mustard algae, phosphate remover, sticky, sticky-phosphate
    • Replies: 56
    • Views: 31,942
    06-02-2015 11:06 PM Go to last post
  19. white mold in hot tub

    We hadn't used our salt water hot tub by hot springs hot tub for over 2 months. Water had been replaced last time and balanced. Just went to use it...

    Started by wishIcould‎, 11-24-2014 08:11 AM
    • Replies: 4
    • Views: 10,572
    05-19-2015 10:24 PM Go to last post
  20. Can I run Pentair Pump without cartridge filter?

    I have a huge algae bloom that I need to kill and clear out. This is a 25,000 gallon in ground pool and Pentair 4 cartridge filter. I cleaned the...

    Started by nomar116‎, 12-21-2014 02:50 AM
    • Replies: 4
    • Views: 10,956
    12-27-2014 08:14 PM Go to last post

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