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  1. M

    Alkali Staining and Sealing Limestone WaterLine Tiles

    So here is a question - how do you seal your waterline tile? I made the mistake of using white limestone for both my waterline tile and my coping. The issue with this is the coping will get brown alkali stains on it every couple of months and the only way to clean it is with muriatic acid -...
  2. M

    Cleaning Linestone Coping/Water Walls

    Seems to be conflicting information on what can and cannot be used to clean limestone. My coping and hot tub and water wall are all white limestone. Panel has been down for about a week. Hopefullly repaired today. I am seeing some calcium buildup. Other than just scrapping it off with a paint...
  3. M

    Strange issue - Pentair LED Pool lights shining green, not white

    I have been slowly noticing the two LED pool lights are shing more of a green than a white...the water is clear. Has never needed shocked in a year. Have never had cloudy water. Any ideas? Lens dirty or something? If so, a way to clean? Warranty claim? The lights are definetely on white...
  4. M

    Water going thru SWCG without it on - PH?

    So I have been wondering, is it better to run pumps longer with lower % of SWCG or shorter with higher % on the SWCG? If you are circulating water without the SWCG on, does the SWCG increase the PH even though it is off or does the SWCG only increase PH when it is on? If the PH increase is...
  5. M

    Want to be able to turn heater without having to use SWCG?

    My system is set up such that under Pool and Spa there is a Toggle for Heater Off or Heater On. The only issue is when I turn the Pool on, the SWCG kicks on.....I have a feature called 'Pool Flow' that I use to just circulate water. How do can I also toggle heater on or off with the pump...
  6. M

    Acid injection?

    If I want to dose approximately 2oz/day is there a pump / tank available to accomplish this? I am imagining a small tank with tubing to a pump. Then tubing into pvc. Might have to inject upstream of filter. With such a small amount I wouldn’t think this is an issue. The filter is full of water...
  7. M

    Keeping calcium in water!!

    We all know calcium deposits are a result of high pH. Many of you have advised to let saltwater pools rise up to 7.8 as that’s where they like settle. I add muriatic acid to keep it down around 7.4. For those of you that keep ph at 7.8 or 8.0, how do you prevent calcium build up?
  8. M

    Considering a heat pump (reverse) for cooling pool....don't see any threads?

    Does't seem like a lot of people talk about heat pumps for cooling their pool. Why is that? I know about the option of evaporative cooler but that drives up PH and there is very little control over an evaporative cooler. With a heat pump I can set water temp to 86F and forget about it...and I...
  9. M

    Travertine 'holding water'?

    As most know we have had A LOT of rain in the Houston area over the last several months. My white travertine coping looks like it has dirt right down the middle of the coping. I tried everything to clean it with no luck (even went as far as to use straight bleach on a small portion). I sent...
  10. M

    Cleaning white travertine coping and water wall?

    So I have white travertine coping and an entire water wall. Over the last year it has gotten a little dirty. I used a 2300psi electric power washer today and it made it slightly cleaner, but u can still see ‘dirty areas’ especially in the middle where water seems to and eventually dry. Any...
  11. M

    Still having PH issues..

    Plaster saltwater pool is about 9 months old. U can see my numbers below. In an attempt to cool water a bit a run bubblers 2 hours in the middle of the night. I also generate chlorine in three 2 hour intervals during the night. Then I run the pump (no chlorine) at a higher speed for an hour...
  12. M

    PH Controller Pentair Pump?

    I have an IC40 SWCG and am having to add about 3oz of muriatic acid every 2-3 days to keep my PH around 7.6. Pool is 8 months old. Anyone use the Pentair PH controller pumps that plugs into the intellicenter? Thanks!!
  13. M

    Getting hot! Best time to run pumps to cool?

    I have two VFD pumps. One for pool and bubblers and one for sheer descents. In order to make enough chlorine I am up to running the pump 10 hours a day with SWCG at 75% capacity. The nice thing is I can also let the bubblers do their thing with the main pump running. Up to today running pump 2...
  14. M

    Calcium on travertine

    My pool coping and waterline is white travertine. Notices couple small areas of white hard crusty stuff. Assume is calcium. Most of it I simply scratched off with my fingernail. There are two lines down grout lines. Should I just scrape them off with a plastic scraper or is there better...
  15. M

    ANTS!!! What's up with all the ants in my pool!?!

    Big ants...some dead some not dead! Have to skim it each afternoon and getting out at least 50-60 dead ones...some still moving! Went all around yard and don't see any ant mounds. What's up with that!? Anyone else?
  16. M

    Cleaning travertine in salt water pool?

    My coping and water line is white travertine. The corners are getting a little dirty. Ok to spray some simple green on a soft brush and scrub the corners? Thanks!!!
  17. M

    Saltwater pool horrible red eyes

    FC at 5ppm. Cya at 70. Me and my son get horrible red eyes swimming. I thought a saltwater pool was supposed to stop this. Read high chlorine (above 3ppm) can cause red eyes. But this forum says put it at 5ppm with cya at 70. So what should I change to get rid of the red eyes.
  18. M

    Swimming with CYA in sock/skimmer

    Have 10oz of cya in a sock in my skimmer basket. Safe to swim or should I take it out? Thanks!!
  19. M

    LED Puck Lights?

    I have a bench that the lenght of my water wall with three sheer descents......didn't know putting led lights in bench to light up sheet descents at night was even an option even though I told my PB I love lights......Any ideas?
  20. M

    Can you do macros with the Pentair Intellicenter?

    For example, is it possible to have it so when I turn on one feature another feature turns off? For example my pool is running at 2000rpm. I want to turn on my bubblers set at 1200rpm. They both are on the same pump so if the pool is running at 2000rpm and I turn the bubblers on the bubblers...
  21. M

    Two identical pumps - one ramps up to max RPM before going to set point and one goes to set point?

    I have two identical pentair VFD pumps. One is for pool/hot tub/bubblers and one is for shear descents. When I turn my shear descents on the pump ramps up to the set point of 1900rpm. When I turn the other pump on it goes to maximum rpm (3400) and then comes back to set point. The issue with...
  22. M

    How to adjust stroke of this Pentair Valve?

    When I had my pool set up I asked that when I turn bubblers on I still get some water circulating thru pool and hot tub....well I have found when I am in hot tub I like to turn the bubblers on...and of course this circulates cool water into hot tub. Right now valve strokes about 75 degrees and...
  23. M

    What to do during Freeeze if you lose power!?!?

    In Houston...freeze coming. Pumps running. What, if anything, can you do to protect equipment, etc. if we lose power during freeze??
  24. M

    GPM vs. RPM issue - Pentair Intellicenter

    I have noticed the last week or so using our hot tub the flow was about 65gpm. Today I tried to adjust the flow on the app to 75 and it wouldn't go above about 65-66gpm. I check settings for pump and max flow is set to 100 and max rpm set to 3450rpm. After several tries I switched from GPM to...
  25. M

    How often to use 9550?

    Just curious how often people run their cleaners. I have a 9550 and was running it for 2 hours (more than pre-programmed 1:35) just about every other day. Seems a bit much. You think twice a week is sufficient? Thanks!!!
  26. M

    Evaporation during cold windy low humidity...

    Expect much more evaporation vs. stagnant humid summer days? I had a leak test and they fixed it but now with cold windy low humidity I am losing about 1/2" per day again...autofill keeping up. Almost a constant drip from autofill.
  27. M

    Ic40 always reads about 400ppm low

    Any way to calibrate?
  28. M

    Want to heat pool - how to bypass scheduled events without deleting?

    Have Pentair Intellicenter...want to turn on pool and heater tonight about midnight to heat until around 9am. I will create a schedule for this event. I have a normal scheduled event from 6-8am to run pool without heater. If there are two simultaneous events which will take precedence? I am...
  29. M

    Pool overflow

    So I have my pool overflow set 2" below top of coping. I like it here because I like to keep my water level only a couple inches from bottom of coping. So my overflow works perfectly and have yet to overflow the pool, but what is the big deal if it does overflow? I have 4 deck drains that are...
  30. M

    Test levels - beginner

    Water Temp: 61 PH: 7.6 CYA / FC: 40 / 7.5 (how can this be - I have set SWCG to zero output). TA: 50ppm - low Calcium Hardness: 120 - low Salt PPM: 3600ppm So path forward?