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  1. M

    Mastic "sinking" - should I be concerned?

    I have a few spots around my pool where the mastic - which just looks like caulk to me? - is sinking. Is this something to be concerned with? and how much urgency to get it fixed (if any)? Pool is 2.5 years old, 3rd summer using. Concrete patio on left of picture with a spraycoat. Coping on...
  2. M

    2+ Weeks into SLAM and .... now what?

    I started a SLAM on July 30th. CYA was ~70 putting my SLAM level at 28. The night of Thurs, Aug 10 to Fri, Aug 11, I thought I was going to be done in a day - only had 1.5PPM of chlorine loss (it had steadily been decreasing every night). That day, for the first time in a week or more, I...
  3. M

    Mid-SLAM - am I missing something?

    I just finished my 6th day of SLAM'ing my pool and wanted to make sure I am on the right track and not missing something. Was on vacation and came home on Wed, July 26th to a green pool. Talking to neighbors who used it, it wasn't like that 24-48 hours prior. At no point have I seen algae...
  4. M

    To Seal or Not? Lueder Stone Coping

    My pool was finished in 2021. After 3 seasons of dealing with LC, I just had an SWG installed. Vacations were just a pain to keep it from turning green (in the middle of a SLAM right now ....). My question is if it is really necessary to seal the stone around my pool, especially the Lueder...
  5. M

    White "Scaling"? Above Water Line

    My pool was finished in May 2021. I recently noticed that there is white scaling above my water line. Can / should I be doing anything to clean it up? I tried rubbing it off by hand but it is not going anywhere.
  6. M

    "Poor performing" Polaris 3900 Sport

    I have a "poor performing" Polaris 3900 Sport - tangles often, moves with a wheel off ground, circles, tips backwards, etc. Reading forums, I checked the joints and they all seemed to more freely. The only thing I found was that this backup valve (the "float" in attached picture) sounds like...
  7. M

    Preparing for coming TX Deep Freeze

    All - I am a new pool owner as of last year and heard the horror stories from last year's deep freeze in Texas, primarily due to electric being off. I was one of those last year who lacked electricity for long stretches. Before the weather hits in coming days, I want to make sure I am...
  8. M

    Where to go next ... high CYA, CH, TA ...

    All - I am new pool owner as of this summer and new to this forum. I made the mistake of most new pool owners listening to pool store advice - chlorine tablets (leading to high CYA) and regular shock with calcium hypochlorite (leading to high calcium). Thanks to some advice from @wireform over...
  9. M

    Algae - help for next few days

    I am new here and am looking for some advice to get through the next few days until my TfTestKit arrives in the mail and I can have more accurate numbers. Background - I was out of town for ~10 days and, during this time, the water level dropped enough to be below my skimmer. Result was algae...
  10. M

    How long to receive discount codes?

    I signed up yesterday and am anxiously awaiting the TfTestKits discount so I can order my test kit. Approximately how long does it take for the codes to be sent? and for the test kit to arrive :) Thank you for all you do here! Amazing resource.