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The first 2 pictures are of the new plaster May 28. The last 4 pictures are of the stained plaster yesterday. I followed the TFP new plaster start-up as well as I could. I have a helper who works every other week. I have tried to get him to read and follow directions but he seems immune. I...

Do any large Pentair cartridge filter assemblies use the R173216 pleated filter? I have three 150-gallon filter assemblies and would like to use the same pleated filter for all my filtering.

I bought a filter and the inlet (right first picture) and outlet (left) are at the bottom of the housing. 2 inch plumbing now, filter is 1.5 I assume. I want to: 1. remove the backwash valve 2. add a check valve to protect the heater 3. make as few turns as possible Looking forward to a lively...

I was cleaning the DE filter on the indoor pool and the manifold broke. The pad layout sucks and the DE filter is hard to get to and cumbersome. I am thinking about replacing it with a cartridge filter. It is a 12500-gallon pool with an enormous swimmer load during the winter.10 ladies use it...

I tried to disassemble the Caretaker 99 installed on our pool. I cannot get the plate with the motor and circuit board out of the housing. I suspect a rusted shaft. Any advice will be appreciated.

I bought an Intelliflo3 for our outdoor pool. Before I install it I have one question. Will it operate without being connected to WiFi? I don't need it connected and I just want to control it from the buttons on the pump.

The air pipe on our spa dribbles water except when the jet pumps are running. The pump for the south jets does not prime at all. I have it apart in this picture and am waiting on a rebuild kit. The pump for the north jets primes but the water coming out sputters and is not a good pressure. Also...

I have searched for an electronic display and temperature probe for our outdoor pool. If it would integrate with our Raypak heaters even better. Our residents are very picky about the pool temp. Thank you for any suggestions.

My Dolphin occasionally gets wrapped around a handrail and of course, the cleaning ends. I made barriers that I attach to the handrails but they are a bit hillbilly. What do you do to keep your robotic cleaner from getting caught by obstructions?

Everything is working fine as it is now. I have 4 skimmers on my 37500 gal pool. They are divided into North and South. There is a ball valve for the North and also for the South set. The ball valves will not turn. Do I need these ball valves? I have the 'flap' in the bottom of the skimmers to...

One of the people from our pool repair company is saying we need to turn our pumps off so the DE filter can 'settle.' I think I know what he means I just can't find anything about DE filter settle time on the internet. Is there any reason to turn the pumps off other than to save electricity?

We just bought a DOLPHIN NAUTILUS CC SUPREME. I want to build a rainproof enclosure to protect the power supply. I run the unit overnight and I live about 300 feet from the pool. Has anyone done a similar thing? I am thinking of a plastic tub and a 120 VAC computer-style fan.

I have started using a DIY LC feeder in our big pool. It is working well I am just trying to find the right setting to keep my FC above 5 during the daylight hours. My chemistry is, CYA 50, TA 110, CH 330. My pH was rock-steady at 7.8 until I started using my feeder setup. Now it is trying to...

Walmart is out of Pool Essentials chlorinating liquid so I went to Home Depot and bought it there. It has a date code of 205, 35 days old. It is stored in the garden center, outside in deep south Texas. My FC was 2 after a hard rain today so I added 96 oz of the Home Depot LC around 5 PM. I...

I have an issue with Google Pay and am unable to pay for Pool Math. Is there an alternative to paying through Google Pay? I can use a different Google account but the email is different than the email I registered on TFP, would my logs show up on TFP?

So I have 4 Rolachems 2 Stenners and some Hayward controllers. I have a source for 15 gallon containers of LC. I would like to make a LC feeder with the equipment I have. I don't think it would be that big a deal. Replace the tubing in a peristaltic pump and connect it to the container and to...

I heard the indoor spa pump making a loud noise so I investigated a bit. There is a small pile of black material in the spa. I figure it's seal material or chips off the impeller. I hope I can identify the pump with TFP help.

I am ready to get off the Leslie merry-go-round and move to the TFP philosophy. Walmart has pool chlorine for $5 a gallon. I plan to buy them out. I am fighting CYA problems. I drained half the water last week and that got CYA down to 100. I tested this morning and it is considerably higher than...

Hello everybody. I registered a few days ago and have been reading reading reading. Great forum. We have a 45,000-gallon chlorine pool here in our retirement park. The pump (PUMP-TRISTAR VS 950 VSP SP32950VSP) was fine at 11 AM. I came back to the pump room at 12:30 and the display on the pump...