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  1. K

    Liner Wrinkles Around Bottom Drain. Why ? How to clean?

    Attached are pics of the bottom drain. It appears the vinyl liner is wrinkling around the drain making it difficult to clean. Don't want to scrub to hard as I don't want to crack a wrinkle thus cutting the liner. This has been there for a few years but slowly getting worse -pool liner 11...
  2. K

    DE to a Sand Filter Vs. Chemical Approach

    I have a 23,000 gallon in-ground vinyl liner swimming. Pool is slow (almost two weeks) in clearing. I can now see shallow bottom and slightly down the drop but still not able to see drain at 8 feet down. I am able to hold chlorine and PH at any level I need (Shock or normal) for extended...
  3. K

    Time Vs. Keeping A Higher CL Level

    Pool slowly turning from pea green to blue but cloudy. Running pump at high speed 24 hrs per day, scrub liner except bottom drain area until I can see it, and pool solar cover on during daytime to minimize chlorine burn off. Do shock harder or give it more time? Day 1 - Pool opened and...
  4. K

    Algae or Something Else

    -Pool has been very clear for the last month since I been keeping the pool covered with a solar blanket, using liquid chlorine and keeping CL at about 9.0 ppm. -Since Sunday pool has a green tint. So I shock to 25 ppm and turn pump to full speed 24 hrs. Pool holds chlorine over night and...
  5. K

    2 Speed Pump Strategy

    Just installed 1.5 Whisperflo 2 speed pump. Current approach is 24 hr operation with 20 hrs low rpm and 4 hrs high rpm after chlorine add. Any better pump operational patterns based?
  6. K

    Chlorine Usage

    Pool very clear but it has a larger Chlorine appetite. Trying to reduce Chlorine usage. I typically put in 1 gallon of liquid chlorine (12.5%) each evening which raises CL by 5 ppm. The next evening back at 4 ppm. Pump runs 24 hrs a day (20 hrs low rpm & 4 hrs high rpm after chlorine add)...
  7. K

    Pump Loses Prime When Off

    Replaced a 10yr 1.5 HP Jaccuzi Magnum force pump (pump had a flapper acting as check valve inside basket) with a 2 speed 1.5 HP Pentair Whisperflo. All works except pump slowly loses prime when shut off. Pump basket half full after 3 hours of pump being off. -Detected one leak before pump...
  8. K

    Guidance For Pump Replacement

    All, My 10 year old Jacuzzi Magnum 1.5 HP pump needed assistance (spin shaft) last season at start up but ran all season with no issue. This season pump started up on 1st attempt but getting very noisy. I believe the bearings are going. Options: 1. Wait until motor completely breaks down...
  9. K

    Staying Ahead of Algae/Cloudy Water

    Hi Everyone, Background: Inground, Vinyl, 23,000 gallons, FC 9, PH 7.2, CYA 80, Alk 100, Hardness 200 I use liquid chlorine to shock & 3"puck in 2 skimmers with pool pump running 7 x 24 Currently Shocking as FC was 0 yesterday AM No FC so I added 3 pucks (2 skimmers & 1 floater). Fri 12:00...