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  1. K

    Replace IC40 with IC40 or...?

    Hi. I put in what I thought would be ballpark, knowing the chlorine level would quickly drop. And it did, as expected, giving me a starting overnight CLT. Today, I am monitoring and adding chlorine as needed to maintain 24ppm. After adding 2 gals this morning, I tested moments ago - 23ppm. The...
  2. K

    Replace IC40 with IC40 or...?

    Just a status update. I added 8 gallons of 10% liquid chlorine to my running pool around 8AM with the pumps running full tilt. I waited a couple of hours and checked the chlorine level - 32ppm, overshot. By around 6PM, chlorine level had dropped to 24ppm. Water was murky but less green. By...
  3. K

    Replace IC40 with IC40 or...?

    No - it has a drain valve I attach a hose to. Water was too murky to see anything, so I scratched the idea. We had rain predicted for yesterday (didn't happen) and more for today. On the plus side, I now have 24 gallons of liquid chlorine ready to get started.
  4. K

    Replace IC40 with IC40 or...?

    Exactly my thinking!
  5. K

    Replace IC40 with IC40 or...?

    Well, since the water level is high (covering the skimmer intake), and there is algae coating the bottom, I thought about using a vacuum brush to vacuum out at least some of the surface algae. Might be useless, but it will make me feel better. ;)
  6. K

    Replace IC40 with IC40 or...?

    And the calcium and/or hardness? Is that any concern at this point? Thanks!
  7. K

    Replace IC40 with IC40 or...?

    Okay, here are the results: Daily tests - Chlorine - 0 pH - 7.2 Weekly tests R-0870 no or extremely light pink R-0871 maybe 2 drops so 1ppm R-0003 5 drops made it pink R-0871 2 drops made it clear so 1ppm Calcium test 625ppm Total alkalinity test = 130 CYA - 60
  8. K

    Replace IC40 with IC40 or...?

    So, don't drain anything, clean anything, leave it as is and run tests and post results? I can do that. ;)
  9. K

    Replace IC40 with IC40 or...?

    So, TF-100 test kit arrived this afternoon. Water is somewhat murky. Algae on bottom and sides of pool. Just had heavy rain last night. Might get more tonight. As a result, pool is filled over the skimmer intake. With that said, where should I start? As is or what?
  10. K

    Replace IC40 with IC40 or...?

    For the longest time, the cell was easy to maintain - it had a little scale most times, easily cleaned with a weak solution. Whatever happened recently, the "Flow" sensor malfunctioned (and it was physically damaged - the plastic stalk was split). I replaced that, and when I went to check the...
  11. K

    Replace IC40 with IC40 or...?

    Says 3300ppm and also CLEAN CELL!!! I don't know the actual salinity at this precise moment. Kinda hesitant to get it tested. In the past, Leslie's tested it @3400.
  12. K

    Replace IC40 with IC40 or...?

    The IC40 "Cell" LED is flashing. That's the only LED that's not normal. Everything else shows as okay. I just ordered a TF100 from Pool Supply World. Added another 4 3" chlorine pucks to skimmer. Pool water is clear but not sparkling/crystal clear. Surface algae on bottom, some on sides...
  13. K

    Replace IC40 with IC40 or...?

    Hi guys, and thank you for the quick replies. Do I acid wash? Yes, with 3:1 or 4:1 solution depending on how it looks. I also used the descale stuff that's supposed to prevent build-up and, quite frankly, it worked well enough I had to clean the cell only occasionally. What % output? 100%...
  14. K

    Replace IC40 with IC40 or...?

    Okay, so my 3-year-old IC40 is now blinking, and I'm a bit annoyed as this is the 4th cell we've had in 12 years (3 year avg life) for a 12000gal pool. A new cell costs another $500, but given the frustration I've had over the years with these things, I'm considering changing over to an in-line...
  15. K

    Intellichlor IC40 milky output

    Thanks very much. I'll get on it.
  16. K

    Intellichlor IC40 milky output

    Hello! The first thing I tried was Algae Guard. https://www.walmart.com/ip/HTH-Super-Algae-Guard-for-Swimming-Pools-1-qt/590383746 I then tried superchlorinating the pool using HDX 10% sodium hyperchlorite...
  17. K

    Intellichlor IC40 milky output

    Thanks very much! I am pretty sure I'm having an algae bloom. I tried my "usual" combo of shock and algaecide to no avail. I'll have a go at SLAM.
  18. K

    Intellichlor IC40 milky output

    I noticed since we installed a VSP (two years ago), our Intellichor IC40 output has been kinda milky looking. I hadn't thought much about it while the water was clear figuring it was because of running the pump at lower rpm (e.g. 1400) making it visible. But a few weeks ago, the flow sensor...
  19. K

    Noticed pool lights on 2AM

    The other morning I woke up at dawn and noticed my pool lights were on. I went to investigate and saw the IC40 chlorinator was lit like Christmas, but the pool pump was not on (it has its own timer). I *thought* maybe the light schedule had gotten mucked up, so later in the day I deleted the...
  20. K

    New Pentair VS - how long to run per day?

    Thanks Jim. I saw the four small relays on the back of my board and thought that's what made it a 4. When I saw the same on the 8 I was scratching my head.
  21. K

    New Pentair VS - how long to run per day?

    I was curious about my panel, and I'm even more curious now. I found an old thread (Upgrade EasyTouch 4 to 8 - Circuit Board replacement only?) where someone talked about upgrading the motherboard from EZ4 (520659) to EZ8 (520657). I looked on Ebay and found a few 520657's for quite a bit of...
  22. K

    New Pentair VS - how long to run per day?

    LOL - I had not even noticed that before - indeed it is a circuit breaker with a "reset" button for the SWCG. There's also an Intellichlor status LED slightly to the left. Aux1 is the lights, and Aux2 and Aux3 are unused.
  23. K

    New Pentair VS - how long to run per day?

    Hi Jim, Main panel cover removed. Did you mean the upper panel (with the low voltage CB's?) The four "relay" buttons top right (4,5,6,7) do not seem to connect to relays, at least I don't hear anything click when I press them.
  24. K

    New Pentair VS - how long to run per day?

    Hi Jim, Yes, definitely Superflo VS. It is only connected to the ET panel for power. There are instructions for using low-voltage signaling to control the pump. It's under Connecting to External Controls and requires a wiring kit (353129Z). This looks a lot like the cable used for the SWCG. I...
  25. K

    New Pentair VS - how long to run per day?

    That's an excellent point. The SWCG is connected to the Easytouch control panel via a separate 4-pin connector. Looking at the menu tree it seems I can tell it output (%), and there's also "Run Hours" but I think that's for superchlorination. With the old pump - when the timer was "off" there...
  26. K

    New Pentair VS - how long to run per day?

    Thanks very much! As a followup, the new pump has its own controller (obviously), but the old pump ran off the wall-mounted control panel. I presume I should change the wall panel pump timing to 24hours so the new pump will have power available all the time?
  27. K

    New Pentair VS - how long to run per day?

    Thanks. I updated my profile with the info I had. We originally had the IC20 but it just didn't really put out enough chlorine and it didn't last long. Nor did it's replacement, so we went with the IC40. Pool is 12 years old (as is the pump we just removed). We have a waterfall, too, if that...
  28. K

    New Pentair VS - how long to run per day?

    Hi folks, I live in Arizona, and the local pool shop guy said for the salt chlorinater to have a hope of working I should be running my pump 10-11 hours a day. That was expensive with the old Whisperflo single speed. So, I bought a Pentair VS and installed it just yesterday. Today it's running...
  29. K

    Pentair vs Hayward energy star numbers: please explain

    Thanks! Yup, I'm a newbie here but am very glad I found the forum. I have been going to the local Leslie's for about 10 years, and yes I bought the PhosFree + on their recommendation, but they've actually been pretty tame in terms of trying to sell me stuff which is why I don't mind...
  30. K

    Pentair vs Hayward energy star numbers: please explain

    The supposed reason our SWG struggles is because of the extreme heat in the summer. I have not run an OCLT. I take my water once a week to Leslie's to have it tested and then follow their recommendations. Seems to keep the pool looking good, but more often than not the chlorine is low. They...