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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: 22,357
    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: 17,794
    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: 5,077
    06-24-2018 05:18 PM Go to last post
  1. Murky algae pool

    I moved into this house with a pool four years ago. The liner and motor were replaced last year. Because of working out of town so much, the pool...

    Started by janbogus‎, 07-05-2014 08:29 AM
    2 Pages
    1 2
    sticky, sticky-algae
    • Replies: 16
    • Views: 10,991
    07-26-2014 10:11 PM Go to last post
  2. Do I actually have Mustard Algae?

    I have been seeing, what I believe to be mustard algae in my pool. AGP Intex 22' x 54"....11400gal. Hayward XStream Matrix Cart filter system:...

    Started by dreamweaver‎, 07-10-2014 02:25 PM
    • Replies: 4
    • Views: 5,625
    07-23-2014 12:13 PM Go to last post
  3. White water mold.Help needed please.

    My pool got wwm and after 3 weeks I decided to drain my pool and start over. My question is what do I clean the empty pool and everything with to...

    Started by raven2963‎, 07-21-2014 10:04 AM
    • Replies: 0
    • Views: 4,709
    07-21-2014 10:04 AM Go to last post
  4. Low ph and algae

    I shocked my pool due to what I think was algae at the bottom. When can I algaecide 60? Also, I always have a low ph. Please help.

    Started by cdingess‎, 07-03-2014 12:36 AM
    6 Pages
    1 2 3 ... 6
    • Replies: 50
    • Views: 22,995
    07-20-2014 02:31 PM Go to last post
  5. Talking Open Green and Cloudy & No CYA

    This is my second year with this forum. You guys helped me have the best year for clarity since I have owned my pool. My wife was impressed after...

    Started by Winicott‎, 06-01-2014 08:55 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 31
    • Views: 14,914
    07-16-2014 10:44 AM Go to last post
  6. Battling Algae - AG Pool

    I am posting for a friend who doesn't have access to the forum. Here are her test results: 19000 gallon above ground Doughboy oval pool Sand...

    Started by handy1‎, 07-14-2014 02:23 PM
    • Replies: 1
    • Views: 5,383
    07-14-2014 07:35 PM Go to last post
  7. Clear water, dirty bottom = mustard algae?

    Pool levels look spot on thanks to my Taylor kit, however I have a mystery fine dirt/mustard algae that comes back every couple days afterI vacuum to...

    Started by weewoo87‎, 07-09-2014 10:03 PM
    • Replies: 2
    • Views: 6,286
    07-13-2014 11:56 AM Go to last post
  8. Pink "Stuff"

    First time in 18 years have a small amount of pink growth in a few places in corners and walls. 30,000 gunite pool that is due for resurfacing. Read...

    Started by djg9100‎, 06-22-2014 07:18 PM
    3 Pages
    1 2 3
    • Replies: 20
    • Views: 12,656
    07-13-2014 12:10 AM Go to last post
  9. new above ground salt water system pool turned green

    We just set up a 15'x42: above ground salt water system. When we filled it the water looked ok- a little cloudy but not bad. We have well water. We...

    Started by edkaygray‎, 07-10-2014 08:03 AM
    • Replies: 1
    • Views: 6,042
    07-11-2014 12:16 PM Go to last post
  10. Stain through Old Liner

    Have been fighting what thought was black algae all summer . Have been down the road of super chlorinate for 2 days -black algae treatment and the...

    Started by gfritz1‎, 07-09-2014 08:24 AM
    • Replies: 0
    • Views: 3,433
    07-09-2014 08:24 AM Go to last post
  11. Fine dirt or black algae???

    Having trouble keeping pool clean this season. We have a 20 x 40 kidney shape vinyl liner in ground pool. Triton II sand filter. Where the seams are...

    Started by Fiveattripp‎, 07-04-2014 10:08 PM
    • Replies: 1
    • Views: 4,462
    07-05-2014 11:08 AM Go to last post
  12. Question Cloudy water after new salt system installed..

    Hi, We have had our in-ground pool for 12 years. We have a self cleaning floor system call the pcc 2000 and just installed a new and different salt...

    Started by Nana1‎, 07-05-2014 10:33 AM
    • Replies: 1
    • Views: 4,883
    07-05-2014 11:00 AM Go to last post
  13. Rookie pool owner -- small IG pool with SWCG

    I recently purchased a home with a 3 year old pool. I have recurring algae issues and am not sure where to go. The pool guys keep having me add shock...

    Started by jshelley64‎, 07-04-2014 11:39 AM
    • Replies: 1
    • Views: 5,586
    07-04-2014 11:54 AM Go to last post
  14. too much chlorine trying to slam to fight algae

    Hi! I opened my pool to a green mess. I have a feeling it was left over algae that I never got a handle on last year. My CYA was exremely high...

    Started by Melbal‎, 06-04-2014 09:20 PM
    2 Pages
    1 2
    chemicals and testing
    • Replies: 12
    • Views: 20,950
    07-02-2014 09:39 AM Go to last post
  15. Green Pool

    33ft above ground vinyl pool 25,800 gal Sand Dollar SD60 Hayward Power Flo Matrix SP1510 Chlorine Went on vacation and when I got back my...

    Started by ladybug‎, 06-20-2014 03:16 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 9,300
    06-26-2014 10:23 PM Go to last post
  16. Green Pool - Please Help

    Ok, I had the store open up the pool. It didn't get clear. I had to put about 30 bags of shock into it to get the chlorine to hold. The pool store...

    Started by zegster‎, 06-26-2014 12:37 PM
    • Replies: 2
    • Views: 6,732
    06-26-2014 10:18 PM Go to last post
  17. Maintaining Intex pool with weekend use and how to manage when out of town

    Hello. New user to this forum. Going to put up a 14x42 Intex pool this weekend, with a Intex 2500 pump. We primarily use it on the weekends down...

    Started by jdebari‎, 06-25-2014 12:54 PM
    • Replies: 3
    • Views: 5,857
    06-26-2014 07:01 PM Go to last post
  18. my pool looks like a swamp

    i just filled my pool two days ago and turned filter on today. Added chlorine today because pool was starting to turn green. Now its greenish/brown...

    Started by Davefuch111‎, 06-24-2014 06:43 PM
    • Replies: 4
    • Views: 6,218
    06-25-2014 03:16 PM Go to last post
  19. having possible mustard algae problem 3 weeks now

    I have an older inground pool with vinyl liner. I have growth that starts as a yellow-brown dust and then spread to to have green under the original...

    Started by bluebayou‎, 06-02-2014 02:51 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 32
    • Views: 14,461
    06-24-2014 11:43 PM Go to last post
  20. Water not circulating -- DE filter stops up.

    I have a 60 cu ft de filter with a challenger 2hp pump. I have replaced the grids in my filter, replaced the mechanical seal, orings and gaskets in...

    Started by Hookem‎, 06-20-2014 04:10 PM
    • Replies: 7
    • Views: 6,149
    06-24-2014 11:39 PM Go to last post
  21. Green Algae, Sand Filter - Add D.E.?

    I have a 16x32 inground pool and cannot get rid of the green algae. I have added tons of shock and stabilizer while running my Hayward sand...

    Started by Yazzinit‎, 06-19-2014 05:41 PM
    • Replies: 2
    • Views: 8,577
    06-22-2014 11:38 AM Go to last post
  22. Mustard Algea & Copper Algecide ?

    I've been battling a very persistent mustard algae for two seasons. Despite Super-Chlorinating the pool and maintaining shock levels for very long...

    Started by zooba72‎, 06-18-2014 12:03 AM
    algecide, copper, mustard algae, polyquat
    • Replies: 7
    • Views: 8,563
    06-18-2014 11:05 PM Go to last post
  23. Clear/brown slime in pool

    Set up new sand filter and saltwater filtration system a few days ago.. all was well and now today there is a bunch of slimey looking clear, some...

    Started by Muffin24‎, 06-17-2014 07:31 PM
    • Replies: 3
    • Views: 6,805
    06-18-2014 09:17 AM Go to last post
  24. Hello -- I think I have mustard algae.

    Hello, First post on this forum or any pool forum. I have an above ground 10,000 gallon (est) pool that uses a DE filter and a 1.5 HP pump. Just...

    Started by rkovelman‎, 06-17-2014 01:42 PM
    • Replies: 8
    • Views: 7,502
    06-18-2014 12:54 AM Go to last post
  25. This site is the best!

    Here's my story - 32,000 gal pool - Because of major leak in return i didn't run pump much during winter and also let CYA get over 250 (no one ever...

    Started by rutntutn‎, 06-16-2014 10:27 AM
    • Replies: 5
    • Views: 5,269
    06-17-2014 11:06 PM Go to last post
  26. Above Ground thats driving me crazy...

    22' diameter, 52" Intex, with a 1 hp pump and 24" sand filter and over $100 in chlorine and its still green. Chlorine level has been 20+ ppm for...

    Started by FalconFixer‎, 06-15-2014 08:27 PM
    • Replies: 3
    • Views: 4,328
    06-17-2014 04:05 PM Go to last post
  27. HELP dealing with mustard algae!

    finally got the murky swap to go away but now am dealing with mustard algae. Brown clumps in low end and shady areas - dissappates into cloud when...

    Started by shannon2014‎, 06-05-2014 01:46 PM
    5 Pages
    1 2 3 ... 5
    • Replies: 46
    • Views: 22,099
    06-15-2014 10:05 PM Go to last post
  28. Red face For forty years...

    My family has owned two pools in forty years, so I am no stranger to the operation of maintaining a pool. Last summer I COULD NOT get the algae...

    Started by Susanne‎, 05-26-2014 11:59 AM
    2 Pages
    1 2
    • Replies: 10
    • Views: 6,418
    06-15-2014 02:38 PM Go to last post
  29. Smile Hello...new to forum - Black Algae

    Hi, looking for advice on killing/controlling black algae. I live in San Diego - warm all year (not rubbing it in, just giving you a an idea of...

    Started by Diaz92083‎, 06-13-2014 03:30 PM
    • Replies: 2
    • Views: 3,408
    06-15-2014 12:38 PM Go to last post
  30. Cloudy Water Problem / Flocc didn't help / Please Help!

    Hello all. I hope you all can get me on track. I have a 24 foot pool with an algae problem that I took care of with two 1 gallon jugs of Kem-Tek...

    Started by deathcharge‎, 06-14-2014 01:46 PM
    • Replies: 1
    • Views: 4,754
    06-14-2014 05:40 PM Go to last post

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