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  1. Palpatine

    Rough and Discolored Pool Plaster - Why and how to fix?

    I just wanted to update this thread... I've been keeping the pH between 7 to 7.4 and keeping the chlorine pretty low... but the scale is getting worse and it's spreading. I guess I'll just have to deal with it this summer and maybe drain and acid wash the pool next year unless anyone has any...
  2. Palpatine

    Rough and Discolored Pool Plaster - Why and how to fix?

    Can you swim or jacuzzi with the pH that low?
  3. Palpatine

    Rough and Discolored Pool Plaster - Why and how to fix?

    Well, just had Leslie's test my pool water... the iron and copper were in range, but they said I need to do a phosphate treatment, lol (registered at 518). They had my PH at 7.3, which is pretty accurate, but I guess my stain is calcium scale. I'll keep my PH low for a bit and see if the...
  4. Palpatine

    Rough and Discolored Pool Plaster - Why and how to fix?

    Easier said than done in the deep end. I stuffed the sock in the tip of a pole and held it there for 5 minutes but it's really hard to tell if it did anything as the stain is a bit mottled and splotchy to begin with. Maybe I'll get a metals test kit... or, and I hate to even say it, take it to...
  5. Palpatine

    Rough and Discolored Pool Plaster - Why and how to fix?

    Soooo, before I do the full Ascorbic Acid treatment I should just buy some vitamin C... crush it up and put it in a sock and leave that on the stain for a bit first to see if it has any affect, correct? How long should I leave the sock on the pool surface for before I should see results and not...
  6. Palpatine

    Rough and Discolored Pool Plaster - Why and how to fix?

    I did not. Pretty stupid, huh? I guess I should do that right away.
  7. Palpatine

    Rough and Discolored Pool Plaster - Why and how to fix?

    PH has been around 7 to 7.4 for a couple of days now. FC is drifting down to normal levels... Stain is about the same (It's been hot and sunny so it's harder to see). I tried to hit it with a pumice stone but that was tedious and I'm pretty sure did nothing. I'm still brushing regularly with...
  8. Palpatine

    Rough and Discolored Pool Plaster - Why and how to fix?

    Lost 1ppm FC last night (passed the OCLT)... Stain is still the same. I will now start to lower PH to 7.0 and see if that helps the stain at all.
  9. Palpatine

    Rough and Discolored Pool Plaster - Why and how to fix?

    Lost 2ppm FC last night... Stain is still the same. I will continue to monitor throughout the day but seems likely that this will be the last day of my SLAM. Assuming it is I will start monitoring PH as soon as I can and start to lower to 7.0 to see if that affects the stain.
  10. Palpatine

    Rough and Discolored Pool Plaster - Why and how to fix?

    Okay, well I overshot my CYA a bit (Maybe my pool is only 25k gallons and not 29k)... it's at 40 and my FC is at 16. I'll continue this until I pass the OCLT and if I still have the stain I'll try lowering the PH and maybe getting a pumice stone. I'll continue to update until I have some...
  11. Palpatine

    Rough and Discolored Pool Plaster - Why and how to fix?

    Great information @zea3 , Thanks.
  12. Palpatine

    Rough and Discolored Pool Plaster - Why and how to fix?

    You know... I'm not sure, I just thought I read that somewhere else on this site (low PH could affect the copper element and then you can get metal stains. Maybe that was for something else though). I'll cross that bridge if I get there. I edited my post above to ask another question though...
  13. Palpatine

    Rough and Discolored Pool Plaster - Why and how to fix?

    Got it, thanks. If it is calcium scale, and I need to lower PH to 7.0 does that mean I'll need to re-plumb my system to bypass my heater? Also, would scale just show up on one portion of the deep end of the pool and nowhere else?
  14. Palpatine

    Rough and Discolored Pool Plaster - Why and how to fix?

    Hi @zea3 , Yes, I lowered it to 7.4 before the SLAM... but that was almost a week ago. Should I add any Muriatic Acid during a slam? I know the PH test won't be accurate but I'm sure it's high right now. Maybe add a third of a jug?
  15. Palpatine

    Rough and Discolored Pool Plaster - Why and how to fix?

    Still have another pound or two of CYA to dissolve. Down 4ppm FC so added another gallon just now. Stain is still about the same. What's interesting is that it's harder to see when the sun is out. If there is cloud cover the stain is much more pronounced and easier to see. If that helps...
  16. Palpatine

    Rough and Discolored Pool Plaster - Why and how to fix?

    FC is at 14 this morning and probably about half the CYA is dissolved. I'll keep squeezing and I'm sure it will all be gone by mid afternoon. Stain is still the same unfortunately. I suppose I won't add any cl for now but wait til CYA is fully dissolved to test levels... unless FC drops below...
  17. Palpatine

    Rough and Discolored Pool Plaster - Why and how to fix?

    Ahhh, got it. Hopefully I'm on the right track now. I will continue to post updates.
  18. Palpatine

    Rough and Discolored Pool Plaster - Why and how to fix?

    Interesting. How do you deal with ammonia (and/or test for it)?
  19. Palpatine

    Rough and Discolored Pool Plaster - Why and how to fix?

    That's a good point... and I'm aware of it and a bit suspect... hope I don't have some kind of crazy leak somewhere. I'm pretty sure I tested it a few months ago and it was 40 (maybe a hair over so I know you're supposed to round up to 50 which is what I was using for my SLAM). Not sure how...
  20. Palpatine

    Rough and Discolored Pool Plaster - Why and how to fix?

    @ajw22 @zea3 Well, son of a gun... looks like there's no CYA now. FC was 20 CC 0 TA 90 Calcium 570 Conditioner 0 PH who knows... didn't even test because I know it's not accurate while SLAMming I guess I need to get some conditioner asap, huh?
  21. Palpatine

    Rough and Discolored Pool Plaster - Why and how to fix?

    The funny thing is... other than the stain... the water is crystal clear.
  22. Palpatine

    Rough and Discolored Pool Plaster - Why and how to fix?

    Yup... definitely will. I'll also check the rest of the chems and post them soon. Thanks @ajw22
  23. Palpatine

    Rough and Discolored Pool Plaster - Why and how to fix?

    @ajw22 I'll look into the Poolmath and run a full battery of tests when everyone leaves... But for now, My FC is at 12 (almost 2pm) and it was at 20 at 10am... gonna go load some more chlorine right now.
  24. Palpatine

    Rough and Discolored Pool Plaster - Why and how to fix?

    @zea3 I've definitely been dealing with high PH throughout the winter. It was about 8.1 before starting the slam (and before I lowered it to 7.4) but the week before it was purple so I have no idea how high it was. @ajw22 I'm not sure how to post my test results to Poolmath but I'll run a...
  25. Palpatine

    Rough and Discolored Pool Plaster - Why and how to fix?

    Hi @zea3 , Well, hard to tell PH as I'm in the middle of a SLAM (FC is at 20 right now)... but I did lower it to around 7.4 before I started 5 days ago. Calcium was about 500 last time I checked a couple of weeks ago... but I can certainly check again and post later this afternoon. Thanks
  26. Palpatine

    Rough and Discolored Pool Plaster - Why and how to fix?

    I thought I read somewhere that it's a more direct bleaching to pour them on the bottom of the pool where the stain is.
  27. Palpatine

    Rough and Discolored Pool Plaster - Why and how to fix?

    Hmmm, day 5, honestly don't see much improvement yet. Getting a bit discouraged if I'm being honest. Is there any more aggressive measure I can take... granules maybe?
  28. Palpatine

    Rough and Discolored Pool Plaster - Why and how to fix?

    Well, day 3, maybe some improvement... definitely not worse so I guess I can rule out a metals stain. But man... if that's sap, it's really tough cause I've been scrubbing the heck out of it with both a regular and metal brush all day today. I ran out of the reagent to test FC as I didn't...
  29. Palpatine

    Rough and Discolored Pool Plaster - Why and how to fix?

    Got it. Will do. Thanks again.