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  1. M

    Suggestions for how to treat algae bloom when I have to be at work

    I'm pretty sure I have a mustard algae bloom that developed within the last 36 hours (noticed it yesterday afternoon but not the day before). My pool is all out of whack this winter due to rains, rains, and more rains, and the one tree in my neighbor's yard which deposits every single leaf and...
  2. M

    CH always low

    It seems that I have to add CH increases at least monthly (which I never had to do with my pool at a previous house on a different water supply that was definitely hard water -- my CH there tended to be on the higher range). My CH wants to hover around 200. Is there anything that I'm...
  3. M

    Pump stopped working; what should I do while waiting for it to be fixed?

    Our pump stopped working Saturday afternoon. I hope our pool builder can get a service tech out very soon, but in the meantime, is there anything I should be doing? I added some bleach yesterday and we pushed it around with the brush. The pool is already very cloudy and the pH was 7.5 yesterday...
  4. M

    Staining and Sequestrant Questions

    Hi all. I have some staining on my pool built almost a year ago, so this was our first summer. I have some stains on the bottom of the pool and upon closer looking, I noticed the sides look different than the bottom. Determined that the stains disappear with Vitamin C (I was able to write "HI"...
  5. M

    SLAMmed pool, passes test, but still have some questionable spots on pool's surface

    Good morning, I have a new (built Oct 2015) pool at my new house which is on lakefront property. Until a week ago, the water and chemicals have been in good shape. I brush the pool almost every day because we don't have grass growing around the pool yet so it stays very sandy/dirty from the...
  6. M

    Pump not working-- what do do while waiting on repair

    My pump is not working correctly -- the pump itself will run but the drive (control panel) part is not working correctly and it's not coming on and off at the scheduled times nor can we override the scheduled times if needed. The drive is bad, it's under warranty, and Pentair is sending a repair...
  7. M

    Is this calcium scaling?

    New pool: filled in July. Salt water. I've been having his issue for some time now. I get this white ring on the flagstone edge of my tanning ledge and along the rocks in my waterfall and on the rock ledge. The white stuff occurs at or above the water line and I see none on my pool tile or on...
  8. M

    Is your SWG wired to your pump?

    Mine is wired with my booster pump which is on an Intermatic timer, so for my SWG to be on, my booster pump must be on, which I'm guessing means I also have to run my legend sweeper. I'm just wondering if this is typical installation.
  9. M

    Please explain sequestrants

    Did I miss this discussion in the Pool School? I did read the Metal Stains topic. My plaster warranty (quartz aggregate) says I need to maintain 10-12ppm of sequestering agent and states that "To help prevent metal stains and scaling of the finish and to up-hold your product warranty, you must...
  10. M

    Differences in Rec Levels: Plaster manufacturer vs BBB vs In

    I'm reviewing pool school and manufacturer recommendations and there are differences. I'm assuming the plaster manufacturer (we have quartz aggregate) isn't taking into account SWG v chlorine as there's not mention of either in their literature. Here's their recommendations: a.] pH 7.4 - 7.6 b.]...
  11. M

    Pump speeds and run time

    New pool: about 14 days in from fill. We have an Intelliflo variable speed pump (don't remember the exact model and I'm not at the house right now). Now that our water is clear, we've been running the pump at the preprogrammed 4th speed when we're in the pool, brushing the pool, or just after...
  12. M

    New Pool -- Chemical Levels

    We started filling our pool on July 9th (about 12 days out). It will be SWG but we aren't running the SWG yet. The plaster (quartz) start-up instructions say "minimal chlorine for 10 days, then no shock for additional 10days." We are using the chlorine pucks in the 2 skimmers for now. I got my...