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Does anyone know what this is and why it would be holding a return “eyeball” in place? It’s in the fiberglass stairs of a vinyl pool and is leaking water from the pool. Thanks!

Has anyone tried to tap into a plumbing line and install a Schrader valve to winterize? Thought of this yesterday because I was missing the correct size blow put plug. I leave our pump and filter in place over the winter, so if this was practical I wouldn’t have to disconnect anything to...

This has probably been discussed but I can't find it. How have experiences been for an above ground pool drop-in SWG vs an in-line cell? There wouldn't be much flow as it isn't in the plumbing I assume. Thanks!

I have a pool cleaning client with a severe case of chlorine lock. CYA is 115-120, free chlorine right after chlorinating is 1.5ppm but TC is through the roof. I can’t even measure it with a good TFtest without using a whole bottle of reagent. They are on board with replacing 1/2 of their water...

Hello. When I went to open this year I was missing one of these 3.5 inch rings from a pentair system. They are the seals, like an o-ring but “fitted”. I can’t order one because I don’t know the terminology. Does anyone know what this is called? Thanks very much!

Hello, I am trying to replace a ~13 year old Jandy LX that is shot. This issue I am having is that the inlet and outlet are horizontal relative to each other and they are Only ~4.5" apart. Every heater I can find is spaced more like 9+ inches apart. Does anyone know of heater that is set up...

I opened up yesterday to a "dirtier" pool than usual. I took the cover off last week but the pump motor needed to be replaced. After bleaching, vacuuming, a night of filtering, and 3 backwashes, the water looks okay, just a little cloudy in the deep end. Here are my numbers from last night...

Today's test results: FC:2.5 CC: 0.0 PH: 7.8 TA: 70 CH: 110 CYA :60 (and climbing) From what I read Muratic Acid will bring down my PH but also the TA. I can bring up the TA with Baking Soda, but that will make my PH even higher. Any advise on lowing Ph (7.5 or so) and raising Alkalinity so...

Hi, I just helped open my brother's pool and have a question on these numbers. He's a new convert to bbb He has a 30k inground vinyl and a TF-100 tesk kit. Here are the first test results: FC - 0.0 ph - 7.6 TA- 540 CH - 410 CYA - 40 This TA seems way high given the ph is in the right...

Dear all, first, thanks for all the great information on this site!!!! I'd like to decrease the usage of our pool heater (save money, and the environment) but don't know if solar is right for me. Here are some facts. Any help is always appreciated. I'm just daydreaming a bit an I'm not sure...

I am attempting to open our pool on my own for the first time this year. I have a friend to to help out and luckily he has a much better handle on basic plumbing than I do. We have a "free form" pool about 45' long. Any tips I could get on removing/cleaning/storing the cover would be much...

Dave, I love your test kit... So do's my boy, a toddler. It's not like he drinks the vials or anything, but he wants to "help". You know, count the drops, stir the pool water, etc., and I wash his hands when we are done. Are there any testing agents that I should really keep him away from...

I am looking to buy a new pool vacuum. My pool is a 35,000 vinyl "free form" or "lazy L" with an extra return line to run a vacuum. My old vacuum is an Aquabot with great suction but it never gets around the whole pool and I need to watch it constantly as it gets stuck on the bottom drain and...

I'm new to testing my own water and am using the TF-100. It's all straightforward but I'm getting mixed chlorine results. The daily "yellow tests" gives me a TC of around 3 and the R-870 shows a pretty consistent 4.5 to 5.0 FC and 0 to 0.5 CC. I took my last test to the pool store to verify...

Hi, I'm new to this forum. We just had paver decking installed around our vinyl sided inground pool. The contractor didn't clean up the conststruction adhesive used on the coping blocks so I have cured adhesive on the liner. Does anyone have a recommendation for removing? Solvents that I've...