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This season I'm noticing that after a few days there is sand in my pool. Googling around I see that the most likely cause is broken laterals. I have no experience with emptying a sand filter or replacing laterals. And, I have suspected an air leak at the top lid for some time. My pool is...

I've read many other threads on the IF (or 1F) error, and I'm stumped. This is a 2 year old heater that worked perfect last year. It tries to start up, fans/vacuum appear to work, ignitor works (I changed it anyway, but I can feel it warm), but after several tries, the heater will not ignite...

I am using a Circupool RJ60N generator that is about 5 years old in my 20x45x9' (at the deepest) inground. This year, both the generator and separate test showed the pool salt level dropped to 2200. I've been adding 40lb bags of salt and it is at 3000 now. I've read that 3200 is an optimal...

I just installed a new H400 (to replace an H500 that, to me, died too young). When the burners light, I hear a low-pitched woosh, and while it's heating, I hear a low-pitched grumbling. I wonder if my gas pressure is not correct. I know nothing about this. Below are pictures of the...

I've been a TFP devotee for many many years, first with an above ground and now with an inground pool. I just a few days ago got and installed a hot tub, which comes with an ozone maker. I've been adding chlorine but my tests continue to show zero level of chlorine. So I started reading about...

I just installed a new hot tub with a Gecko IN.YJ-2 controller and it trips the GFCI breaker immediately. I have quadruple checked the wiring, the terminals screwed down tightly, etc. Troubleshooting I found that if I remove the black lead (one of the hot leads) at the tub the GFCI does not...

I bought a replacement for a broken H500 in the Fall and just installed it today. The system fails with an A0 I've read that A0 means the vacuum sensor is not reading a vacuum -- either the fan motor is not creating the vacuum or the sensor is no good. The fan is spinning nicely, and the unit...

I have a Hayward H500FDPASME (500,000 btu propane heater) that I bought and installed in 2017. It's been working great until yesterday. Control panel allows me to switch between off, spa and pool; and displays the current water temp and allows me to set a setpoint temp. I hear a click-click...

I have a Triton II sand filter and Pentair Intelliflow pump. The clear top that includes the pressure release and pressure gauge on the filter shows me that the water level in the filter slowly drops. If I crack open the pressure release in about 30 seconds it fills back up. This is all while...

I have a 3 year old 20x45 inground vinyl liner over steel pool in the Catskill mountains of NY (where it doesn't get very hot). I use a Hayward H500 propane heater and like to keep the pool around 86 degrees. This costs me a small fortune. I was wondering if it makes sense to add a heat pump...

I just installed a 24x44 Hydra steel wall pool and despite challenges, it seems to have gone well. We have 3 Pentair Intellibrite 5G lights in stainless niches (Pentiar 78232400). I could feel that the liner pulled from the bottom of one of the niches and stretched the screw hole in the liner...

I'm still planning my pool and I'm undecided regarding the piping. I'm in central NY, where the Winters can have weeks in the single digit temperatures and the soil has tremendous numbers of rocks of all shapes and sizes. I like the idea of flex PVC for it's ease and reduced water flow...

Hi, I’m hoping to be able to get some advice from the people in here with more experience (which is just about everyone). I have had a 24’ round AGP for the past dozen years and, in the process of maintaining it, I have learned more than I ever knew existed about pool water chemistry. The...

I'm ready to proceed with a new inground pool and am thinking about a 20x40. But fiberglass seems to be all the rage. Can anyone recommend a good quality, reliable pool installation contractor for the Eastern Sullivan county, NY, area (close to the Ulster county border)? I'm a big DIY'er, and...

I've been daily testing FC using the r-0003 reagent and it continued to register way too low (around .5 to 1). So I continued to add bleach. Then I tested using the powder/0871 and FC was high (30-40). So I bought a new bottle of 0003 and the same thing is happening. This morning: FC using...

I saw a guy at a commercial pool use a big turkey baster-like water sucker (ball on one end of tube) to get his water sample. This would be a nice way to avoid getting my arm wet when testing. Do people here use or recommend using one of these? Ideally, it would be well graduated (100ml?)...

Hi Everyone, I discovered TFP last season and studied and tested and put it into practice with great success -- Thank you so much to all who helped! I started my pool opening process a couple of weeks ago and am stuck. FC 13.5 TC .5 TA 100 PH 7.2 (it was 6.8 last night, added PH+, and got...

Hi, For the past several years I've used a solid cover with air-filled pillows over the AG pool. Each Spring I mutter mild obscenities to myself as I try but fail to remove the cover and not have all the junk that fell on to the pool from sept to may fall into it. Each spring I fail and wind...

So I added my first batch of Clorox Bleach (regular/original) last night -- about 32 oz. FC was 4.5 steady for the last couple of days before adding bleach. This morning it's still 4.5. Still struggling with getting a reliable CYA reading, but I'm pretty sure it's between 55 and 60 (this...

Hi again, I've been reading and studying and am wondering about CYA buildup from the trichlor tabs I use. From pool school: "2. Trichlor - Commonly sold as tablets or pucks that you simply put into an automatic container that passes pool water over them and they slowly dissolve - putting...

Hi, Just wondering whether algaecide or clarifier (coagulator?) has an affect on PH/CL/TA/etc.? Besides my issues posted separately, there's a slight green tint to the bottom 1/3 of the walls of my round AG pool. I read in another post to take a trichlor tab and scrub it with it to see if it...

Not having a proper (accurate, reliable) test kit yet (it's on order), I filled a clean Mason jar and went to the nearest pool supply place. The nice gentleman there ran his tests (using a computer attached to a device in which vials of my water and his testing chemicals were placed) and we got...

Hi, I've been opening my pool for the past month. Everything appears fine (keeping PH between 7.2 and 7.8; stabilized somewhere between 50 & 100). When I opened it (24' round, 52" high), I put 3 bags of Blue Wave Chlor-Burst (sodium dicholoro-s-triazinetrione duhydrate). It's been almost a...