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    Bring FC To Shock Level/Polyquat 60 question

    I am in the process of closing my AG pool. Last week I brushed the walls and vacuumed and backwashed on Thursday. Water temp was finally in the 50's. With great weather forecast for both Friday and Saturday, I added chlorine to bring me up to SLAM level and hold for 12 hours. Now I just...
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    Recommended pH Level For Pool Closing

    I didn't make any notes from last year except for chlorine levels and Polyquat levels for closing my AGP. Am I correct to think that pH will rise gradually by Spring? I normally run it at 7.5/7.7 when open. Should I leave it alone or lower it to close? If so, what's the recommendation...
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    1st SLAM a Success!

    I just completed my first SLAM since joining TFP 3 years ago. I was both looking forward to it, and dreading it at the same time. Over the past couple years, I have read and re-read the process dozens of times, knowing it was only a matter of time until I would need to do it. In my case, it...
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    High pH As SLAM Is Nearing Completion

    I have now had over 20 hours of very clear water and my FC is slowly beginning to drop from where I began. I accidentally added a higher than recommended amount of chlorine (25 ppm) to begin, so I am now just beginning to approach (21 ppm) my SLAM target of 20. I had lowered my pH to 7.4 prior...
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    5ml Sample Size of Water When Slamming

    I have read on here that it's ok to use a 5ml sample when testing FC during a slam. It would definitely save on reagent until I get nearer to the end of the slam, when I would revert to a 10ml sample. My question is this: Do I still use the heaping blue spoonful of DPD for a 5ml test, or does...
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    Gritty Deposits on the Bottom of my AGP

    I have a 24' x 52" AGP. I am finding small areas of a tan gritty substance on the floor of the pool, mostly the 2 feet nearest the edge. When I vacuum, I have to go slow and scrub over these spots to make sure I get it all. It doesn't just disappear in a poof. I brush the walls and brush and...
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    Accidentally Lowered My Water Too Far

    Due to excessive rainfall over the past three weeks, I have had to lower the water in my AGP several times. It was time for its first of two normal backwashes per year, so my first water drop was accomplished this way. My last two were done via the "waste" function on my multi-port valve...
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    Hayward HP50 TA Heat Pump

    I have the HP50 TA heat pump from Hayward heating our 24' AGP. The heat exchanger is titanium. I can find nothing in the manual about required water chemistry, particularly a minimum CH level. My pool is a vinyl pool with basically no minimum (or very minimal) CH requirement. Ours normally...
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    TF100 TA Test

    My instructions that came with my TF100 say that a "good number" for TA is 60-90 with a SWG and 90-120 with a manually dosed pool. Last year was my first year with the TFP method and I remember giving up on trying to hit that 60-90 TA range, while manually dosing my pool. I was finally glad to...
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    pH and TA both crept up

    I got my equipment pad hooked up on Saturday, 5/1/21. Under the cover (with a flashlight) our water is crystal clear, with very minor debris on the bottom. I'm not ready to open yet, but wanted to get some chlorine into the water before water temp rises above 50 degrees. Solid winter cover...
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    AGP problem with winter cover

    I'm on my 5th year with our AGP. I'm experiencing a similar issue as the OP. Did a complete winterizing, as usual. Drained water to 4" below the skimmer and plugged the return with a threaded winter plug. A Gizmo was placed in the skimmer as a precaution. We covered the pool with the winter...
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    Conversion Factor to convert 20% MA to 31.45% MA

    I need to add MA to my pool. I can only find the 20% stuff locally right now. Does anyone know the conversion factor between the 20% stuff and the 31.45%? I thought I remembered seeing it discussed on the forum in the past, but can't locate it now (as in: Anybody seen my keys, glasses, etc.)...
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    Sudden Spike in pH, TA, and CYA

    I have been preparing my pool for closing over the past 10 days. I have monitored chlorine and pH every day. I am filtering 12 hours a day, as normal. My pool temp has gone from 85 degrees down to 53 degrees today. Several nights with temps in the high 20's to low 30's have helped. Today, I...
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    Advice on how to keep garter snakes out of our heat pump?

    This summer we have a few garter snakes that have taken up residence inside the cabinet of our Hayward heat pump. They are almost always there whenever the pump isn't running becuase the cabinet is black and holds heat. There are drain holes in the base of the cabinet that allow for drainage...
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    Chlorine Drop Test Question

    I am new to chlorine testing and just beginning my Baquacil conversion this morning at 7 am. When doing the drop test, I fill my vial to the 10 ml mark. I then add 1 heaping spoon of the powder. When adding the reagent, how "pink" is the solution supposed to turn? I have been stopping at the...
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    Hayward Power-Flo LX Pump Impeller Removal Help

    Hi, I replaced the mechanical seal in my pump with a US Seal 1906 replacement seal this winter, after having twice replaced the cheap original style ones. Instructions said to hand-tighten the impeller when re-assembling. Today, when I started the pump, it just hummed; I immediately shut it...
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    Where to buy US Seal brand Pump Seals

    Looking for a source of US Seal brand pump seals. Looks like I need their part number #PS1906 or #PS3869. Any suggestions?
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    Replacing Seal in a Hayward SP1580 Pwer Flo PUMP

    I am in the middle of replacing the seal in my Hayward Power Flo 1.5 HP pump, with a kit purchased from INYO Pools. While seating the new ceramic half of the seal, I noticed that it did not bottom out on the flat surface at the base of the recess. It lacks about 1/8". I tried tapping on it...
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    Baquacil Conversion

    I was planning to do the Baquacil to liquid chlorine conversion this spring. Now I'm concerned about hoarders grabbing all the chlorine, enough so that it will be impossible to find by mid-summer (or sooner.) I really don't want to put up with the Baq issues for another season. Make the leap...
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    Recommend a Cartridge Filter System for my 24' x 52" round AGP, 13,000 gal.

    I currently have a Hayward no-frills basic sand filter system which came with the pool. Last fall the filter began spraying a fine mist of water from the multi-port filter valve/vessel connection. I took it apart and replaced the O-ring. It was still leaking upon replacement, but used it for the...
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    Leak Between the Multi-Port and the Sand Filter

    I've attempted to fix a leak at the gasket between my Hayward Vari-Flo XL valve and my Hayward S190TS High Rate sand filter. In removing the old gasket (which was replaced this spring when I deep cleaned the filter,) it was still in very good shape-no nicks, cracks, flat spots, etc. It is the...
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    Help With Greenhead Fly Control Around Our Pool

    HELP!!! We have been overwhelmed by aggressive, biting greenhead flies this year. This is our 4th summer with our pool, and we've never had anything like this. I'm guessing it may be related to the very wet fall and summer last year, as well as a terribly wet spring and early summer this...
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    Need to Raise PH from 7.0 to 7.5

    I have a 12,500 gallon pool. I need to raise the pH from 7.0 to 7.5. I am planning to use 20 mule team borax to accomplish this. How do I figure how much I need to add? Also, dissolve it in water first, or just add to the water in dry form?
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    Help with replacing sand in filter

    This is my first sand replacement attempt. I emptied and discarded old sand. Pulled out the laterals/tube assembly and carefully checked for any breaks or cracks, then cleaned everything. All was ok. Just completed refilling the filter with 175 lbs. of new sand, VERY carefully scooped in with a...
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    Relocating My Equipment Pad

    When the pool company installed our pool, they set the plastic unit that holds the pump and filter directly onto the ground. It needs to be set on pavers, as it has become somewhat unlevel after a couple years' use. I will need to empty some sand to be able to pick the filter up to move it...
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    Weight of Snow/Slush on a Covered AG pool

    How much snow/slush can a covered 24' AG pool safely withstand? The cover (with pillow) is attached with the standard steel cable/winch. The water level was dropped to 5" below the skimmer when closing the pool. Recently, our temps in northern PA have been in the zero to -15 F. range. Over the...
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    OK to use 20 Mule Team Borax toRaise PH in a Baquacil pool? (chlorine allergies)

    We have grandkids with chlorine allergies, thus the Baquacil. Is it ok to use 20 Mule Team to raise PH in a Baquacil pool?