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That will be my next task, I’ll try removing the sand and seeing if the lateral assembly is just not sitting on the bottom. I’m hoping that the previous owners didn’t just buy the wrong size lateral assembly.

It is the lateral assembly that was in there when we moved in. The old multiport valve fit, but VERY snugly, and I can see that the standpipe blocked some of the inside opening (where flow from the standpipe would enter the valve). Does that also indicate that it’s too long?

Hello everyone. So I’m replacing the multiport valve on my sand filter this year as the previous one started leaking last year. I removed the old multiport valve, and now I’m having devil of a time getting the new one on there. It seems to me like the standpipe might be too long, since it seems...

Okay thanks everyone! We have a solid winter cover and the manual does say it's designed to sit on the water so I don't think I'll use anything under it! i think I'll also add a bit of RV antifreeze to the lines. Thanks for the speedy responses!

Hello all, Today my wife and I performed the necessary steps to prepare the pool for closing. We increased the FC to shock level, dropped the water level to approximately 4" below the return, and blew out the lines (previous owner had filter installed on an equipment pad approximately 30 feet...

Hey all, I had a quick question regarding testing of CYA. I know the directions for the test state to be in full sunlight with your back to the sun, tube at waist level, etc. etc. However, when following these instructions, the 50 ppm CYA standard that came with my test read approximately 30...

Wow, thanks for the quick response! Exactly what I was looking for. This stuff is amazing and I like knowing the "behind the scenes" if you will. Much appreciated!

Hey all, I'm relatively new here and I am very interested in how the reagents for the TF-100 test kit work. I have a Bachelor's degree in Chemical Engineering so am familiar with how things are mixing together when the tests are performed, I'm just very curious what specific chemicals are used...

Wow that's a LOT of chlorine!! I can understand the impatience. Extra chlorine really doesn't make the SLAM go any faster, and once all the algae is dead it does take longer to burn off from the sun alone. But it'll drop. Losing 2.5 ppm a day seems to be a rough average from the sun alone, but I...

Maintaining a high FC for long periods of time can damage equipment. The FC/CYA chart provides a shock level for your CYA that is a balance of effectiveness and safety for pool equipment. As long as you let the chlorine come back down and don't add any for a while, it should be okay. Since you...

Not to be "that guy", but I'm pretty sure in Rinse mode, the water still flows through the filter and does not bypass it. This is an especially important distinction for sand filters as this compression of the sand bed after backwashing helps re-settle the bed before placing it back into service.

Okay thanks guys. I think I'll try the night-time way and see how it works out. The basket I have in the skimmer doesn't lock so with splashing and waves from skimmers it pops out and the pump starts sucking air, so I'd prefer to run it while there aren't any swimmers.

Hey all, What is the best way to run the pump for the pool? The pump flows at 60 gpm, so the water turns over in about 4 hours. My plan was to run the pump for 5 hours a night from, say, 9 PM to 2 AM. But my dad was very insistent that the pump needs to run twice a day, once in the morning and...

So using the TFP method, the pool water is now crystal clear!! After adding the stabilizer last night, the FC only dropped from 5.5 at approximately 9 PM to 3.5 at approximately 5 PM. Much better loss! We were having guests over to swim so I bumped the FC up to 7 according to PoolMath to ensure...

I think so. I'm going to add the stabilizer tonight. Can we swim while it's dissolving? And also, can it be any sock that holds the powder? I saw some things that said hang it in front of the return or put it in the skimmer. Which is fastest? Also, Pool School mentions waiting a week to re-test...

Testing before work yielded 15.0 for FC, so OCLT pass! Yay! Sent from my iPhone using Tapatalk

Okay thanks. I'll just go with 1 cup and see how that plays out. And I will look into getting a weir. And I did my homework; rest assured that I am indeed using pool grade DE. :) Not to worry, I don't have a SWG :)

I also have some other questions that I suppose I might as well pose now: 1. I read about the DE in the sand filter trick to improve filtration so I decided to try it to quicken the rate at which the pool would clear. I wound up adding 2 cups of DE through the skimmer and that raised the...

Okay so FC started at 15.0...we'll see what it is in the morning!! Fingers crossed. CC was again 0. In the interest of full disclosure, the solution changed color so slightly that I couldn't count it 0.5 for CC, so it's probably 0.1 or 0.2. Sent from my iPhone using Tapatalk

Okay, I will bump my CYA from the best guess of 10 up to 30 according to PoolMath. It says to add 38 oz (volume) of stabilizer; I don't have any on me tonight but I will purchase some after work tomorrow and add it. For now I will add some bleach and start an OCLT tonight! The water is pretty...

Hello all, My TF-100 kit just arrived today and here are the results of my first round of testing: FC: 4.5 CC: 0 TC: 4.5 pH: 7.8 (not quite 100% confident on this yet but seemed to match perfectly) CH: 150 (not a big deal with vinyl right?) TA: 210 CYA: ~10? (the dot was cloudy at 20, but...

Hello everyone! Starting my foray into maintaining my pool the TFP way. So here's the backstory: my wife and I just bought and closed on a house with a pool. They opened the pool for us, but not sure when they moved out. We closed on July 19th, and moved in shortly thereafter (20-22). The water...