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We replaced our pressure gage for our sand filter (Hayward S244T yesterday) and there is a leak where the gage is when the filter is running. I have been reading online and this forum and it appears that it is not the problem with the gage but the air valve, probably o- ring (?). Does anyone...

Can pollen cause filter pressure to rise ? I have a sand filter and live in Georgia. Today’s pollen count is 14,000. Humidity has been extremely low for about a few weeks now but for the past few days it has been in the 20%-30%. I have been slamming my pool for a week now and the filter...

I bought the fancy pressure gauge from tftestkits.net. My filter was just replaced yesterday and i told the pool guys to install my fancy gauge on the filter. Yesterday, the baseline pressure was 7.5. I’ve backwashed twice between 1pm yesterday and 8 am today. After I backwashed today the...

I changed the filter setting to ‘ filter ‘ this morning. I’ve been using recirculate function for a couple of days. Start pressure was 11 psi. i backwashed 3 times. After the third time I let it filter again, after 1.5 hours I went to check it and water came out if the filter gauge and...

We opened our pool cover yesterday. We ran the pump 4-5 hrs/day while keeping FC at 5 ppm and vacuumed every few days since Feb 26 except for 6 days from Mar 15-20 when night temps were below freezing so I took this opportunity to drain the filter and clean it. The pool already had pollen on...

Any recommendation on what brand of filter sand to use? I have a Hayward sand filter with 20# silica sand and 0.45-0.55 microns size required by manufacturers. I’ve seen quickrete, clorox brands but don’t know if they meet manufacturers’ specs. Just says on the bag ‘ pool sand’. Also...

Hello. I think I will finish slamming soon. Yesterday I dumped 8 gallons and today probably 3-4 gallons and I’ve been brushing!!! (Thanks for the tips!). I opened the pool cover a week ago to clear water (been keeping pump running and adding LC since mid March) and just been keeping FC at...

Hi, i was wondering if there are existing circupool core 55 owners in here that can let me know the dimension of the control panel for the circupool core 55? My return line setup is shown in the attached picture. My preferred place to install it is on the pipe that is laid at an angle facing...

I have a leak where the outlet coming out of the filter and the return pipe. See attached picture. I just noticed it last week. At the joint where the filter inlet meets the pipe coming from the pump, there is a silicone caulk around the outside of the joint, but not where the filter outlet...

Previous pool owner left a hammer (their grandkids did) on the bottom of the pool floor for the entire winter. It left a rust stain on the vinyl. Any idea how to remove it? Picture attached

If black dot did not disappear in cya test does this mean there is no cya? I just received fresh reagent today (expiration date: 4/23 I just opened the pool last Thursday and the only things I added were liquid chlorine, 4 clorox tabs and 3 pounds of clorox shock.

Hello! I had a pool guy opened my pool last Thursday. The pool was black and green last Thursday. See picture with my hubby in the background. Pool guy brushed it and put chlorine ( i believe he used granules). But yesterday i tested the Cl level and it was zero. So here I am trying to...

The last time I backwashed my filter (sand filter) was mid-May. The current pressure is 25 psi and it took a loooooong time for the pressure to even get to 25 psi and it has been at 25 psi for maybe a month now. Baseline pressure is 20 psi. Previous owner said to backwash when pressure is at...

What is the best way to seal crack on pool step? I used JB weld waterweld yesterday but it is not curing (it has been 24 hours). I might not knead the putty long enough but is Jb weld the way to go? The crack is on the first step. See picture.

I previously posted a question on gap between my pool concrete decks. So there is a new gap that is getting bigger. See pictures. It looks like the soil is washed off below the gap and there are metal clips that look like they’re separating from the concrete. What should I do ? Should i...

Hello, We recently bought a house with a pool. The previous owner said the liner was changed 5 years ago. There are gaps between the (1) concrete & step, (2) concrete and side of the pool especially where the pool curves (the pool is oval-shaped). Do these gaps need to be sealed ?

Just got my test kit yesterday. First time pool owner here. For the cya test I am not clear with the instructions it says to add the mixed solution of cya reagent and pool water into the test vial until black dot “just” disappears. Does this mean add the mixed solution until the black dot...