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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: 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: 1
    • Views: 24,058
    04-22-2020 03:57 PM Go to last post
  2. Sticky Thread Sticky: Algae . . . or something else? Recognizing & treating pool algae successfully.

    _____________________________________ Algae . . . or something else? Recognizing & treating pool algae successfully. this post . ] ...

    Started by PoolDoc‎, 06-24-2018 07:18 PM
    • Replies: 5
    • Views: 21,586
    06-25-2018 11:19 AM Go to last post
  3. Sticky Thread Sticky: FAQs & Guides: Dealing with Algae

    ____________________________________ FAQs & Guides: Dealing with Algae Algae . . . or something else? Recognizing & treating pool algae...

    Started by PoolDoc‎, 06-24-2018 05:18 PM
    • Replies: 0
    • Views: 6,623
    06-24-2018 05:18 PM Go to last post
  1. Battling Algae - yellow

    I have a salt pool I have used a couple of different Algaecide. used Black Algaetrine about 2 months ago and Phosphate Remover about 2 weeks ago....

    Started by skos007‎, 07-22-2020 03:31 PM
    • Replies: 0
    • Views: 11,981
    07-22-2020 03:31 PM Go to last post
  2. concrete pool, and I can't scrub off the algae

    So I let the pool get out of control, and now I can't even scrub the algae off. I'm trying superchlorinating now. Is there any hope other than...

    Started by MarkP45‎, 05-31-2020 06:16 PM
    • Replies: 0
    • Views: 3,914
    05-31-2020 06:16 PM Go to last post
  3. Mustard Algae Problem

    Hi! I am dealing with an algae problem and I just want to confirm what I think I need to do to solve (based in my reading). I am feeling overwhelmed...

    Started by piggulet‎, 05-01-2020 05:29 AM
    boric acid, chlorine, mustard algae
    • Replies: 0
    • Views: 3,876
    05-01-2020 05:29 AM Go to last post
  4. How many PPM should I be shooting for?

    For the first time, I have pretty strong green algae in my pool after letting it sit all winter. I've vacuumed the heaviest stuff off the bottom and...

    Started by Bosch232‎, 04-26-2020 05:31 PM
    • Replies: 0
    • Views: 3,397
    04-26-2020 05:31 PM Go to last post
  5. Random Algae

    Hello All, I had a new liner installed in April. Dark blue, previous one was white. I use the BBB method and never any problems. This year,...

    Started by otitis‎, 08-03-2019 09:31 AM
    • Replies: 0
    • Views: 8,165
    08-03-2019 09:31 AM Go to last post
  6. Closing Pool -- Can I use ClearView quat power?

    As usual, I am running behind on getting the pool closed. I went to the local pool store and asked for PolyQuat and they sold me ClearView "quat...

    Started by bottomcat‎, 10-06-2018 08:57 AM
    • Replies: 5
    • Views: 11,118
    10-10-2018 07:03 PM Go to last post
  7. Black algae and Round Up

    I'm drainig my pool for leak repairs and it has some black algae,if I spray it down good while dry with Round Up will that kill it?

    Started by Phill‎, 09-18-2018 12:19 AM
    • Replies: 2
    • Views: 6,439
    09-24-2018 11:24 AM Go to last post
  8. Can I put Yellow Out into pool that's already been shocked?

    My chlorine level is above 10 and I have algae still. Would it be effective to add Yellow Out now, or does it only work if you put the yellow out in...

    Started by maschinot‎, 08-30-2018 02:45 PM
    • Replies: 2
    • Views: 8,166
    09-13-2018 08:46 PM Go to last post
  9. Light green pool color while maintaining high chlorine and proper pH

    I have a sand filter which I do NOT run very long every day. Alternately, I do run a pool robot every day because this does a much better job of...

    Started by thehobe‎, 08-20-2018 12:17 PM
    • Replies: 8
    • Views: 8,539
    08-26-2018 02:34 PM Go to last post
  10. Green pool with resistant algae!

    I have a green pool that seems resistant to everything I've tried!!

    Started by Hdouglas422‎, 08-14-2018 08:20 PM
    • Replies: 2
    • Views: 6,515
    08-14-2018 09:35 PM Go to last post
  11. No Chlorine Detected for Weeks, but Water is Crystal-Clear

    Hello, all! We have a 16,000-gallon pool in central Florida with a Hayward AquaRite salt chlorine generator. We seldom use the pool and the...

    Started by pgroux‎, 08-01-2018 10:33 PM
    • Replies: 4
    • Views: 7,582
    08-02-2018 06:04 PM Go to last post
  12. New Pool Owner with Algae

    Newbie Here! First off, let me say that these forums have been immensely helpful so far in starting to understand the basics of pool ownership and...

    Started by wgeronimo‎, 06-26-2018 09:45 AM
    • Replies: 2
    • Views: 6,481
    06-26-2018 02:08 PM Go to last post
  13. Lime green water in Illinois in-ground pool

    My pool water is lime green, it is a inground and is 26' x 36' approximately 20,000 pounds of water. My pool guys said is from algea that is...

    Started by Ronell‎, 06-16-2018 10:16 AM
    • Replies: 6
    • Views: 8,091
    06-18-2018 04:28 PM Go to last post
  14. Why do I have algae, even though my chlorine levels are correct?

    Why is there alge growing in the pool when the chlorine levels are in the normal range?

    Started by Cattate21‎, 06-17-2018 07:35 PM
    • Replies: 1
    • Views: 6,863
    06-17-2018 10:05 PM Go to last post
  15. HELP! My pool keeps turning more and more green

    Hello everyone! My husband and I bought our house 5 years ago and it came with a 24x54 above ground round pool. We always had an easy time keep...

    Started by sunnyd0111‎, 06-01-2018 10:42 AM
    • Replies: 2
    • Views: 6,419
    06-01-2018 01:22 PM Go to last post
  16. Unhappy Filter Pressure High

    I have an in-ground pool with a DE filter. I had a very green pool this year when we opened it. I shocked it and then started the pump. It has been...

    Started by Caitlin2980‎, 05-07-2018 10:06 AM
    • Replies: 1
    • Views: 5,945
    05-07-2018 11:53 AM Go to last post
  17. Floating slime/ algae following treatment

    Our pool was not covered during the winter. It was green and we added yellow out, then 2 pounds of pool life turboshock. The next day, at the advice...

    Started by Jeannab1‎, 05-05-2018 08:24 AM
    • Replies: 2
    • Views: 6,535
    05-05-2018 09:40 AM Go to last post
  18. Thanks for having me in PoolForum

    I have a 10,000 gallon fiberglass pool,with a cartridge filter. I live in lower Alabama and for most of the day my pool gets full sun. I'm having...

    Started by DonnaCarrie‎, 04-23-2018 11:27 PM
    • Replies: 1
    • Views: 5,238
    05-03-2018 08:15 AM Go to last post
  19. Theoretical or Truly Green Hair on Pool Rx

    I am a new user to this forum, but have researched many notices, buyer notices and have read comments about copper leaving stains and the dreaded...

    Started by iconn‎, 04-26-2018 03:12 PM
    • Replies: 3
    • Views: 9,386
    05-02-2018 10:31 PM Go to last post
  20. Persistent algae

    I have a very green and cloudy pool. I have been going to the pool store 3 times a week for about a month now and have spent far too much money on...

    Started by LSHerrera‎, 04-29-2018 02:14 PM
    • Replies: 1
    • Views: 6,378
    05-02-2018 10:00 PM Go to last post
  21. 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: 138,302
    04-25-2017 06:56 AM Go to last post
  22. 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: 12,751
    03-01-2017 07:53 PM Go to last post
  23. 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: 18,447
    09-07-2016 03:53 PM Go to last post
  24. 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: 16,258
    08-26-2016 12:02 PM Go to last post
  25. 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: 136,520
    07-29-2016 03:55 PM Go to last post
  26. 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: 15,980
    06-19-2016 01:41 AM Go to last post
  27. 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: 143,980
    06-17-2016 11:21 AM Go to last post
  28. 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
    • Replies: 6
    • Views: 17,834
    05-14-2016 07:04 AM Go to last post
  29. 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: 12,005
    04-28-2016 10:59 PM Go to last post
  30. 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: 16,343
    10-03-2015 12:00 AM Go to last post

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