Become a TFP Supporter Pool Math Forum Rules Pool School
Page 1 of 2 12 LastLast
Results 1 to 20 of 22

Thread: We don't need no stinking algae HELP!

  1. Back To Top    #1

    Join Date
    Aug 2011
    Location
    Ct
    Posts
    39

    We don't need no stinking algae HELP!

    Opened the pool last week and the only thing missing were the gators. Keep in mind this is Connecticut. Shocked the pool three times and now have an improved milky green color. The chorine level is still high and I've attached some photos. Here are the results of the latest tests

    Chlorine Drop Test - 27.5 ppm
    CC - 2 ppm
    CYA - 50

    Any suggestions greatly appreciated.
    Attached Images Attached Images
    1) 21,000 gallons
    2) Hayward cartridge filter with Super Pump
    3) Inground
    4) 16 x 32 vinyl liner
    5) Mineral Springs SWG

  2. Back To Top    #2
    Richard320's Avatar
    Join Date
    Jan 2010
    Location
    San Dimas, CA (LA County)
    Posts
    18,768

    Re: We don't need no stinking algae HELP!

    The CC says you still have something growing in there.

    The cloudy says you still have some filtering to do.

    The FC is higher than needs be, so more bleach is not the answer.

    Have you checked behind the lights? See Think I may have found my FC demand issue?

    Aside from that, all you can do is try to improve circulation so that whatever particles are in the water find their way to the filter. Brush. Aim a return down to stir up the deep end. Open the main drain is you have one. Set the vacuum down on the bottom upside down to act as a main drain if you don't have one.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

  3. Back To Top    #3
    Mod Squad tim5055's Avatar
    Join Date
    May 2014
    Location
    Columbia, SC
    Posts
    8,495

    Re: We don't need no stinking algae HELP!

    You say you "shocked" the pool three times.....

    Have you followed the instructions on how to SLAM your pool?
    TFP Moderator 39 X 18 23,000(ish) freeform gunite; built 2007ish; Pentair Triton II TR100 600lb Sand filter; 2 HP Pentair pump with 2.2 HP AO Smith single speed motor; 2 skimmers, 1 main drain, 4 returns w/waterfall, Stenner 45MHP2 3GPD running@ 60% - 15 gal Tank; heated by the sun CYA 200+ when I started - 50 now. Dolphin Supreme M5 Pool Cleaner. Hot Springs SX Spa, 285 gallon

  4. Back To Top    #4

    Join Date
    Aug 2011
    Location
    Ct
    Posts
    39

    Re: We don't need no stinking algae HELP!

    Quote Originally Posted by Richard320 View Post
    The CC says you still have something growing in there.

    The cloudy says you still have some filtering to do.

    The FC is higher than needs be, so more bleach is not the answer.

    Have you checked behind the lights? See Think I may have found my FC demand issue?

    Aside from that, all you can do is try to improve circulation so that whatever particles are in the water find their way to the filter. Brush. Aim a return down to stir up the deep end. Open the main drain is you have one. Set the vacuum down on the bottom upside down to act as a main drain if you don't have one.

    Thanks. I have fiber optics so I don't think it's the lights. Is there any other chemical I can use?

    - - - Updated - - -

    Thanks, Tim. I slammed it as per the instructions.
    1) 21,000 gallons
    2) Hayward cartridge filter with Super Pump
    3) Inground
    4) 16 x 32 vinyl liner
    5) Mineral Springs SWG

  5. Back To Top    #5
    Richard320's Avatar
    Join Date
    Jan 2010
    Location
    San Dimas, CA (LA County)
    Posts
    18,768

    Re: We don't need no stinking algae HELP!

    Flocs and clarifiers seldom work as promised and almost always gum up the filter. That's why we don't recommend them. Improve circulation today and give the pump a break tonight. Maybe you'll get lucky and the stuff will settle out so you can vacuum it up.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

  6. Back To Top    #6

    Join Date
    Aug 2011
    Location
    Ct
    Posts
    39

    Re: We don't need no stinking algae HELP!

    Quote Originally Posted by Richard320 View Post
    Flocs and clarifiers seldom work as promised and almost always gum up the filter. That's why we don't recommend them. Improve circulation today and give the pump a break tonight. Maybe you'll get lucky and the stuff will settle out so you can vacuum it up.
    Thanks. I have the vacuum sucking up from the deep end now. I'll try your suggestion and give the pump a break tonight and see what happens. I never had this problem before. Could it have been the mild winter?
    1) 21,000 gallons
    2) Hayward cartridge filter with Super Pump
    3) Inground
    4) 16 x 32 vinyl liner
    5) Mineral Springs SWG

  7. Back To Top    #7
    Richard320's Avatar
    Join Date
    Jan 2010
    Location
    San Dimas, CA (LA County)
    Posts
    18,768

    Re: We don't need no stinking algae HELP!

    Quote Originally Posted by pixpicker View Post
    Thanks. I have the vacuum sucking up from the deep end now. I'll try your suggestion and give the pump a break tonight and see what happens. I never had this problem before. Could it have been the mild winter?
    Warmer water means faster algae growth. It could be just an awful lot of dead algae.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

  8. Back To Top    #8

    Join Date
    Aug 2011
    Location
    Ct
    Posts
    39

    Re: We don't need no stinking algae HELP!

    I still need HELP!!! The pool is clearing but only slightly each day. At this rate I may be able to use it in September. I'm not crazy about the Floc technique and looking for a flocking alternative. Any suggestions would be greatly appreciated.
    1) 21,000 gallons
    2) Hayward cartridge filter with Super Pump
    3) Inground
    4) 16 x 32 vinyl liner
    5) Mineral Springs SWG

  9. Back To Top    #9

    TFP Guide

    AimeeH's Avatar
    Join Date
    Apr 2012
    Location
    Columbia SC
    Posts
    1,837

    Re: We don't need no stinking algae HELP!

    Are you keepin your chlorine at shock level for you cya?
    18*36*23 true "L" vinyl IG 29,000 gallons. SWG. TF-100 test kit.
    http://tftestkits.net/splash-page.html

  10. Back To Top    #10
    Richard320's Avatar
    Join Date
    Jan 2010
    Location
    San Dimas, CA (LA County)
    Posts
    18,768

    Re: We don't need no stinking algae HELP!

    Quote Originally Posted by pixpicker View Post
    I still need HELP!!! The pool is clearing but only slightly each day. At this rate I may be able to use it in September. I'm not crazy about the Floc technique and looking for a flocking alternative. Any suggestions would be greatly appreciated.
    Have you been following the SLAMinstructions?

    People have started with a black gooey pool and had it crystal clear in less than two weeks doing it that way. Recovering my old inspirational links

    It it's been consistently above shock level for your CYA for the last couple days, you should have seen some improvement.

    It's your pool, so you can add what you want. I've never used anything like flocs or clarifiers, so I have no recommendations there.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

  11. Back To Top    #11

    Join Date
    May 2010
    Location
    Central NJ
    Posts
    44

    Re: We don't need no stinking algae HELP!

    Chlorine Drop Test - 27.5 ppm
    How are you exactly getting this reading.. ?

    To test high chlorine levels you need a DPD powder.. See here

    Amazon.com : Taylor Replacement Reagent FAS-DPD Refill Kit (Large) - Over 100 Tests : Patio, Lawn Garden

    With a CYA of 50 ( if that is indeed accurate ) your shock level needs to be at a 20.. Thing is you need to test very often and not let it drop.. Hold it there all day.

    You need to set it at 20 at night and test first thing in the morning.If it drops then you know something is still eating your chlorine.. The filter needs to run on high 24/7.. ( Possibly your filter is compromised also...)


    Is the pressure going up from all the filtering?

    Keeping shock level a bit higher is ok.. Dont have to be right on 20..

    Lets start there..

    Mike

    - - - Updated - - -

    Sorry just read you have swg....

    - - - Updated - - -

    To add / edit with a swg you need 60-70 CYA and a shock level of 28 or 30...
    12X18 AG, 6200 gal
    Hayward S166T sand filter, Switched back to 100 sq ft cart.
    Hayward 1hp power flo matrix two speed pump.
    Been using BBB since pool was new in 2004. Never had any problems.

  12. Back To Top    #12

    Join Date
    Aug 2011
    Location
    Ct
    Posts
    39

    Re: We don't need no stinking algae HELP!

    Thanks for the suggestions. Will start from scratch tonight and report my findings. I may have to quit my day job just to maintain my pool.
    1) 21,000 gallons
    2) Hayward cartridge filter with Super Pump
    3) Inground
    4) 16 x 32 vinyl liner
    5) Mineral Springs SWG

  13. Back To Top    #13

    TFP Guide
    Mr Bruce's Avatar
    Join Date
    Mar 2014
    Location
    Greenville, SC
    Posts
    1,798

    Re: We don't need no stinking algae HELP!

    If you test and add

    First thing in the morning
    As soon as you get home from work
    Once more before bed

    that's "enough". Test and add to get to SLAM level each time.
    32K gallon Plaster - 1hp Hayward 2 speed Super Pump - Hayward S200 Sand Filter - TF100XL
    Test Kits - Pool Math - Chlorine/CYA/Target/Slam Chart

  14. Back To Top    #14
    Mod Squad pooldv's Avatar
    Join Date
    Aug 2012
    Location
    DFW, TX
    Posts
    23,994

    Re: We don't need no stinking algae HELP!

    Squeeze a brush in there somewhere.
    TFP Moderator
    If TFP helped you or saved you money - Become a TFP Supporter! <--Click here
    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

  15. Back To Top    #15

    Join Date
    Aug 2011
    Location
    Ct
    Posts
    39

    Re: We don't need no stinking algae HELP!

    I'm starting to see some improvement although very slowly. Here are the numbers from last night.
    FC = 10ppm
    CC = 1.5ppm
    TA = 140
    CYA = 90

    Any suggestions?
    1) 21,000 gallons
    2) Hayward cartridge filter with Super Pump
    3) Inground
    4) 16 x 32 vinyl liner
    5) Mineral Springs SWG

  16. Back To Top    #16

    TFP Guide
    Mr Bruce's Avatar
    Join Date
    Mar 2014
    Location
    Greenville, SC
    Posts
    1,798

    Re: We don't need no stinking algae HELP!

    The SLAM level for CYA of 90 is 35 FC. Pool School - Chlorine / CYA Chart You are WAY below that.

    You have to maintain 35 until the slam is over. Test and add at least 3 times a day. And yes, brush at least once.

    e: How did your CYA almost double?
    32K gallon Plaster - 1hp Hayward 2 speed Super Pump - Hayward S200 Sand Filter - TF100XL
    Test Kits - Pool Math - Chlorine/CYA/Target/Slam Chart

  17. Back To Top    #17

    Join Date
    Aug 2011
    Location
    Ct
    Posts
    39

    Re: We don't need no stinking algae HELP!

    Thanks for the reply but I'm getting really discouraged. I have the FC at 35 now and will attempt to keep it there. Pool is still really cloudy. I don't have an answer to the CYA question but it must be user error.
    1) 21,000 gallons
    2) Hayward cartridge filter with Super Pump
    3) Inground
    4) 16 x 32 vinyl liner
    5) Mineral Springs SWG

  18. Back To Top    #18

    TFP Guide

    AimeeH's Avatar
    Join Date
    Apr 2012
    Location
    Columbia SC
    Posts
    1,837

    Re: We don't need no stinking algae HELP!

    Can you tell us how you're testing your water?

    Unless you are using stabilized chlorine, your CYA wouldn't go from 50 to 90. Are you using liquid chlorine?

    Knowing your CYA number with accuracy is imperative to knowing where to target your chlorine for shock level.
    18*36*23 true "L" vinyl IG 29,000 gallons. SWG. TF-100 test kit.
    http://tftestkits.net/splash-page.html

  19. Back To Top    #19

    Join Date
    Aug 2011
    Location
    Ct
    Posts
    39

    Re: We don't need no stinking algae HELP!

    I'm using a TF-100 test kit. I'm obviously not great at the CYA test because I just tested it (in the rain) and got a CYA of 50. I'm using liquid bleach.
    1) 21,000 gallons
    2) Hayward cartridge filter with Super Pump
    3) Inground
    4) 16 x 32 vinyl liner
    5) Mineral Springs SWG

  20. Back To Top    #20
    Mod Squad pooldv's Avatar
    Join Date
    Aug 2012
    Location
    DFW, TX
    Posts
    23,994

    Re: We don't need no stinking algae HELP!

    Cya test pics
    https://www.taylortechnologies.com/C...P?ContentID=36
    Extra instructions
    Pool School - CYA
    there are also vids on TFTestkits.net
    TFP Moderator
    If TFP helped you or saved you money - Become a TFP Supporter! <--Click here
    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

Page 1 of 2 12 LastLast

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •