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  1. JimMarshall

    Help I made a boo-boo

    Finally getting my pool up and running after needing some plumbing repairs. Finally got everything fixed last night, leak tested everything, tested the pump, etc. I realized that when I was leak testing and testing the pump, I didn't have the baskets in the pool OR pump strainer and it sucked...
  2. JimMarshall

    Verizon iPhone 13 Deal right now is crazy

    “Up to” $1,000 trade in for your old device. So the deal looks like this: iPhone 13 Pro Max $1,099 Trade in my iPhone 11 Pro Max -$1,000 $99 outright or $4.16 a month for 24 months @0%…. $10/month device access credit if you have a 5G device So, they are paying my $5.84 a month to get a 2...
  3. JimMarshall

    Dolphin "Automation Mode"

    Does this mode work for all Dolphin cleaners? Does it just bypass the power switch on the controller and work any time the unit is receiving power?
  4. JimMarshall

    Is it possible to backwash a cartridge filter?

    I've been pondering this as I prepare to replace my filter in the off season. Is there any reason that you couldn't, using a standalone MPV, backwash a cartridge filter in lieu of disassembling it and rinsing the cartridges?
  5. JimMarshall

    Liner fading

    Anyone have a suggestion for why the different sections of my liner seem to be fading at different rates?
  6. JimMarshall

    Need a filter

    I need to replace my cartridge filter. Considering switching to sand. Is this a horrible idea? I just despise the hour plus it takes me to disassemble my housing, hose out my cartridge, reassemble, etc. What size of a filter should I be shopping for? Local pool store has a 300 lb Hayward in...
  7. JimMarshall

    Mounting a solar reel at the end of a round pool?

    Who has pictures of how they have done it? Rolling the cover on and off the reel and pivoting off the pool is the bane of my existence
  8. JimMarshall

    16x28 doughboy pool walls bowing

    Is it normal for the walls to bow out between the supports? Posting for a friend who is planning a liner replacement soon and hoping his pool is OK structurally
  9. JimMarshall

    Skimmer socks-filtration level?

    I’m doing some repair work to the deck on my AGP. I’ve been pretty diligent about working in a manner to minimize the amount of sawdust and debris getting in the pool, but I’ve still ended up with enough that I’m going to need to clean my cartridge filters soon. Im getting ready to trim the...
  10. JimMarshall

    Algae on thermometer string?

    Is there any way to prevent algae from growing on the string that holds my thermometer? It only occurs right at/around the waterline.
  11. JimMarshall

    What is this buildup in my cartridge filter housing?

    This yellow ring around the inside? Any clues as to what it may be? O-ring lube that has pollen or some other funk in it?
  12. JimMarshall

    “Effects of adding “ error/omission?

    Messing around with PoolMath this morning. 2 lbs of Trichlor in my 13,000 gallon pool will raise FC by 17 and CYA by 10. It will drop my pH by .9 and add some salt. Won’t the acid added in the Trichlor also drop my TA? PoolMath seems to omit this from the effects of adding section. Omitted from...
  13. JimMarshall

    How does your deck finish around the pool?

    It’s becoming apparent to me that the decking choice we made when we built our deck was a mistake. The material we used under our carpeting was advertised as being ok for the application that we were planning to use it for, this is turning out to not be the case. We have a couple soft spots...
  14. JimMarshall

    Testing

    I'm just wondering what these do without typing anything
  15. JimMarshall

    Pool store salt tests?

    I understand that most (all?) basic water parameter tests from the pool store are not to be tested, I wondered if they booger up salt tests as well? Considering adding salt for feel (and eventually a SWG......) not sure I want to, or need to buy my own salt test yet if I’m not trying to stay...
  16. JimMarshall

    Rust in pool

    I apparently had an issue with a wind storm taking one of my umbrellas and an umbrella base off the deck and relocating them to the bottom of the pool. Just came out to check on the pool and found it. when fishing out the umbrella it led to a significant cloud of rusty water coming out of the...
  17. JimMarshall

    Signatures

    Is there a setting somewhere that I am missing to show signatures on a mobile device?
  18. JimMarshall

    Pop up canopy?

    Has anyone ever used a quick pop up style shade canopy IN their AGP? If so, what did you do to : 1: protect the liner from the metal legs And 2: protect the metal legs from rusting?
  19. JimMarshall

    Does washing soda go bad?

    I’m trying to use up a few chemicals that my dad had left over from his hot tub - sodium carbonate, sodium bicarbonate, and sodium bisulfate. My pH has been low because of the trichlor tablets I’ve been using (store was out of liquid and I could stand some CYA anyways, I was only running around...
  20. JimMarshall

    GFCI tripping any ideas?

    Woke up this morning and my VSP was off. Breaker was tripped, and won’t reset. Threw my robot in the pool for some circulation and went to work when it became apparent that it wouldn’t be simple. Any tips or tricks of what to look for? Planning when I get home to: 1: Attempt a reset again 2...
  21. JimMarshall

    Shiny floaters on pool surface

    Never seen this before, photo attached. FC 2.5 CC Trace <.5 PH7.5 TA 70 CH 200 CYA 20 working on bringing my CYA up slowly with some tablets I was gifted, this reading was right now, 10PM so my chlorine level has been good. I know that it hasn’t dipped below 2, which is minimum for my CYA. I...
  22. JimMarshall

    Never had this happen before - pH seems to be dropping?

    Without any intervention from me? Has gone from being in the high 7s to the low 7s (most recently 7.3) without me adding any acid other than CYA (which affects it but it is negligible). My TA is normally high with the fill water here, and as such my pH always drifts UP and I must add MA to drop...
  23. JimMarshall

    What to do with old reagents

    Just ordered refills for my TF 100. What do I do with all my existing reagents? Dump them down the drain? Will they hurt my septic? Should I just throw them whole in the garbage?
  24. JimMarshall

    Switching from a cartridge filter to a sand filter?

    Is there any reason I shouldn’t? Went to the pool store today to get an o ring for my filter, and the store can’t even get them anymore. The warehouse doesn’t even carry them, nor does it seem any parts for the filter. I found the o-ring online, so crisis averted there... but I’m thinking I...
  25. JimMarshall

    Pentair intelliflo, squealing noise at speeds 3 and 4

    I FINALLY got my new VSP wired for my AGP. Turned it on tonight, and I get a loud squealing noise at high speeds. My initial thought is perhaps an air leak? Interested to hear other opinions though
  26. JimMarshall

    Winkles in "deep end" pool liner

    Friend has an above ground oval pool that has a 7 foot deep end dug into it . He has heavy wrinkles in the liner now, which is quite old and faded and due for replacement. Are liner wrinkles inevitable in a pool design like this? I say no, but im not sure with no experience
  27. JimMarshall

    Dolphin S50 and pool slopes? Cleaner recommendations

    Hey all, I have a friend that has an oval above ground pool that has a deep end dug in the center. Picture of his "pool in progress" attached....this hasn't been opened in 2 years prior to my friend buying the house last fall. You can see from the photo that it is shallow around the exterior...
  28. JimMarshall

    Jandy 3 way questions

    Can the handle be changed so that a different leg is the “inlet”?
  29. JimMarshall

    Running a DE filter without DE

    A friend has a new house that came with a pool. The manual for his filter says not to run the filter for more that 2 minutes without DE in it, is there any reasoning for this?
  30. JimMarshall

    Pentair Mastertemp unions

    Heater unions I’m upgrading my pump and plumbing to 2”. Does anyone know the proper part number I’ll need for connection to my Pentair mastertemp 125? Or can I re-use my old unions?