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  1. R

    Liner Issue when Opening

    Not my pool…but my sisters pool. 2nd opening this year for this brand new pool. Last year upon opening, it had the same crinkled liner (shown in picture). PB said it was due to sump well not being drained. The liner was fixed by PB by draining half the pool and putting the vacuum and filling it...
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    Liner Issue before opening

    Not my pool…but my sisters pool. 2nd opening this year for this brand new pool. Last year upon opening, it had the same crinkled liner (shown in picture). PB said it was due to sump well not being drained. The liner was fixed by PB by draining half the pool and putting the vacuum and filling...
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    Where to connect Intellivalve?

    I just got an Intellivalve that will control my pool returns (which will be primarily on), and if I have to turn on my water feature. So it is going on a 3-way From a wiring standpoint, do I just put the 3 pin in either the Return or Intake? I also see other wires (yellow and green) in the...
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    Intellivalve when winterizing

    Wondering what you all do when winterizing your equipment. Do you leave your Intellivalve hooked up and wired in? Or do you take it out and disconnect from IntelliCenter during the winter period? I keep everything out with the exception of my salt cell.
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    Heater fires up for a few minutes and shuts off

    Pool temp stayed low so I had took a look at the heater (Pentair Mastertemp 200). I noticed it had E05 error, and automatically assumed it was the Stack Flue Sensor since it is what Google tells me :). HOwever, after powering off and then powering on the heater, I noticed that the panel showed...
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    Algae water from water feature??

    I haven’t used my water feature (sheer waterfalls) in the last 30 days. Does that mean that I have contaminated (water with algae) in the pipes since I haven’t used? And technically has 30 days (or more) of water that hasn’t moved or filtered??
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    Tiny bubbles on the surface of the water by the pool return

    This is the first time I have seen this. I noticed it two weeks ago but didn’t really think anything of it. But I have been. Pricing it more. It is also not constant, but rather intermittent. You don’t really see bubbles/air coming out of return, but you can see tiny bubbles on the surface...
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    About to SLAM but not enough chlorine…any issues mid SLAM?

    I was in the process of performing a SLAM and emptied my almost empty liquid chlorine container this evening. Only realizing that my 2nd container (which I thought was full) is actually empty. I have only added 1/3 of the chlorine needed. I won’t be able to add the next batch until tomorrow...
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    Pool Cloudy 4 weeks after opening with no OCLT

    So...I am getting frustrated. Have been following TFP the last 2-3 years, and have learned a lot from this. But I am stumped at the moment. I opened my pool 4 weeks ago. After opening and to be safe, I SLAM the pool. After 1 day...no CC and passed OCLT. Water was also clear. Fast...
  10. R

    6 month old - liquid chlorine

    I have almost a full jug of liquid chlorine that I bought from a pool store. I bought it October 2022 (6 months old). Should I use it? Or dispose? If dispose, how do I do that?
  11. R

    Replace water when opening?

    Hi - first year opening myself (2nd year with pool). Water is clear but full close to the top. Had to pump out water over the winter. Should I replace some of the water in the pool? Or should I use the same water and slam (just to be safe and start clean in the beginning of season) and of...
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    Mandatory SLAM when opening?

    Hi - I maintained my pool all year with TFP guidelines...closed it that way as well. I had a peak under the safety cover and the water looks clear. That said, should I SLAM anyways to make sure the water is good to start? We are not in a rush to get in the pool right away (live in Canada), so...
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    No air lock in the main drain and no antifreeze in the skimmer.

    Hired someone to close today. I noticed that they didn’t do an airlock on the main drain. I asked and he said I have cleared your lines and should be good for the winter. But if the valve is still open, doesn’t water just go back in the main drain and therefore negates blowing the lines out? As...
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    Back wash hose fitting?

    I am looking to drain my pool for closing. This is what I have for my backwash. But when I bought the back wash hose (1 1/2”) to drain, the hose is too small. Am I missing something here? I have the clamp. But Do I need a pipe to reduce? Or is there an actual pvc fitting I need?
  15. R

    Algaecide...before or after draining

    Hi - looking to close my pool. Wanted to know if I should add my algaecide before draining or after draining the water? I have balanced the pool and slammed already and looking to close in 2 days. Should I add the algaecide now?
  16. R

    Pentair Intellivalve vs Pentair Valve Actuator

    Hi - I wanted to know the difference between the two items. My main purpose is to turn on my water feature through my Intellicenter Automation. I currently have a Jandy 3 way valve that feeds my water feature and my return jets. What I am looking for is to either run it at 50/50 or 75/25 when...
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    Mortar in the pool

    Hi everyone - a bit of a dilemma…and in hindsight, I probably should have covered and better protected the pool. I was building my waterfall and needed to add the top cap. Given that it was natural stone, I needed to use mortar as opposed to glue. But as i was levelling the stone by hitting...
  18. R

    Installation question re: waterfall sheer

    Hi - I am going to install the waterfall sheer. Wall is ready and notching the stones where the sheer will sit. During this time, I wondered about 2 things... 1. Should I set the sheer on the stones with mortar? I was thinking of using PL Construction glue. 2. The sheer came with a rock...
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    Corners of my pool

    These are the corners of my pool where the vinyl liner bracket meets and where the liner is attached to. It looked fine to me in the beginning, but after seeing other pools, theirs looks cleaner than mine. And mine looks sloppy and unfinished. What’s worse is the 2nd pic is a corner step and...
  20. R

    Effects of Adding

    What should I use to calculate the increase of FC when adding liquid chlorine? Bleach?
  21. R

    Salt Cell - is this clean or dirty?

    So first year pool owner here looking for help. In the last week I have been running my salt cell 100% and can only get up to 4.0FC. PH and CYA in range according to pool math every single test. Some I don’t log. That being said, I was wondering why my pool can’t produce FC so I figured it’s a...
  22. R

    Pool Clarifier…what’s the harm?

    First off, want to say that my pool is clear and have been within the guidelines of Pool Math. So really no issue there. However, sometimes I think my pool could be sparklier. Was thinking of adding pool clarifier to give that extra spark. If I do so, what’s the harm? Will it potentially mask...
  23. R

    Can't get proper CYA reading with Taylor kit.

    Hi - I am almost sure I am doing everything correct when trying to get a CYA reading with my TAylor Kit. I add the pool water to the 7ml mark, add the reagent to the 14ml mark. Cap the bottle and shake for 30 seconds. I have tried shaking gently, moderately or more aggressively. But when...
  24. R

    I am about to SLAM!

    Background: My pool looks clear (when others look at it). But I think it is slightly cloudy (more so after a small and short swimming party). Maybe I am just OCD...and it is actually clear most times. I test almost every day (or every other day) and dont normally log all the results...but...
  25. R

    Overnight Chlorine Test more than 1PPM

    Hi - this all started with me "thinking" that my pool is slightly cloudy. But this could also be me trying to be too perfect and precise when it comes to the pool. I test almost daily (or every 2 days). I dont always log the results in the PoolMath app. But in most cases, my FC is in the...
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    What is this? Just added stabilizer

    For every time I have added stabilizer in my skimmer sock, I get this brown residue. Is this just an undissolved stabilizer? Is this normal? Should I replace the sock? Or leave as is until it is gone (assuming it is stabilizer).
  27. R

    Losing Salt??

    So...I know salt doesnt evaporate. But in the case where water evaporates, doesnt refilling the pool eventually dilutes the salt in the pool given that fresh water is being added? If my pool is losing salt, is the only reason a potential leak?
  28. R

    Is this a leak?

    Been loosing about 0.5-1cm of water every night but assumed it was due to evaporation, and would normally top up at night. I have been keeping my pool temp at 70f with the outdoor temperature being in low 40’s at night. I dont see a significant water loss during the day, maybe even no water...
  29. R

    Intellicenter and Intellichlor

    Might be a stupid quesiton here, but I tried to search and couldnt find relative info to help with my question. My Salt Cel has been running...pool is up and running for 1.5 weeks now and levels perfect for a few days with very little adjustments required (other than needing to add more salt)...
  30. R

    Main Drain and Skimmer Percentage Split

    Hi - disclaimer...new pool owner here :) I see a lot of articles and posts where the percentage split for the water pumping back into the filter has been in the range of 70%-80% Skimmer and 20%-30% Main Drain. My pool currently has 2 Main Drains and 1 Skimmer. I certainly can follow the...