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Hi, Anyone know how do i open the circle base to replace the O-ring?

Hi, I replaced 2 speed pump few years before, I believe my new pump is little overpowered than the old one. When I backwash, I see some sands are out with the water. My question is could I backwash and rising using low speed?

Hi, Anyone know how to clean the rust on the pool ladder? Look like it is paint? and what kind of paint i can repaint it? image1 — imgbb.com image2 — imgbb.com

Hi, I just replaced my liner and I filled my pool using my house water. I tested my water and the below are the results from TF-100. Right now i just added stabilizer, but it needs to take a week to dissolve. Could I add liquid chlorine or 3" tab chlorine now? or just wait until the stabilizer...

Hi, Previously my pool is leaking water, and then we hired the leak detector helped patched the liner, but now it is leaking again. We are going to replace the new liner and this is first time we are replacing our pool new liner (We bought the house already have pool there, so we are not the...

Hi, My pool is losing about 1" daily and i also did the bucket test over night from 6 PM to next day 7 AM. The pool (system is off) is losing about 0.5 inch water compare to the bucket. I think this mean the pool is leaking water. I want to know anyone in Albany NY can recommend me any...

The below is my pool photo and it is 18 x 40. Could anyone tell me what shape should i get for my pool? the Oval or Rectangular 18 x 40 solar cover?

Hi all, I want to know how often we need to refresh our TF-100 reagent. My last refresh was 2014 and i'm planning to refresh all reagents next year. My problem is some of the reagent still have 80% full. So do i really need to refresh all of the reagents? Also how do you know your reagent is bad?

Hi, Anyone know Merlin Industries, Inc winter safety cover? I'm looking to replace my winter cover and my pool store only sell this brand. Their solid safety cover is around $2200. Should i look for Loop Loc cover with that price? or Merlin is OK? Also my pool already have anchors installed...

Hi, I have a question, i'm doing the shock on my pool now. Could i add (stabilizer, baking soda, borax, or etc) to my pool while doing the shock time? Or i have to wait until the shock is done.

Hi, I read we can use vitamin C to clean the pool stain and rust. My question is could we use any other vitamin? Like vitamin D?

Hi, The ring inside the pool around the return jet is discoloring when i touch it. Do you know how can i clean it? or i have to replace the ring?

Hi all, I replaced 2 speed Pentair whisperflo pump last year. The problem is when i use the low speed, pump volute (basket) will have more air bubbles inside than the high speed. When i use the low speed for more hours and when i switch back to high speed, i see my return line have air bubbles...

Hi All, Recently i replaced my sand filter top multiport valve. After run the filter, i see some sand in my pool and I vacuum the sand back to filter, but later a day i still see sand in my water. Is it normal some sand out when you replace your top valve? Also is it OK i vacuum back sand to...

Anyone know where can buy the good quality backwash hose? I tried and bought few from local pool store and Walmart store, but they only last 3 times.

Hi, last year i replaced my old single speed pump to Pentair 2 speed pump. This year i found a problem recently, i schedule my pump to run low speeed from 7:00 Am to 11 PM daily. When the pump is shut off at night, next day the morning i see the water is losing inside the pump housing. Is this...

Hi, I just bought my dolphin oasis z5 and have few questions. I read the website manual and it said use the cleaner in max 4 ppm chlorine. Normally I will keep my CYA in 40 and 7-9 ppm chlorine daily. Could i use my cleaner in this condition? Also when i do the SLAM (Shock), is there any problem...

Hi, I'm looking to buy a robot cleaner this year and looking the Dolphin brand. I looked online and they said the M5 and Z5 are exactly same model. The only different is the M5 is for retail store and Z5 is for online. Could anyone let me know is this true? Also any suggested online store for...

I have used my TF-100 test kits for 2 years already. Is the chemical still good for another year? or I have to order the fresh chemical this year? I don't know how long we can keep the chemical until it is went out.

Hi all, I have a question, currently i replaced my pump to pentair whisperflo pump, but the pump is 2" pipe and my current pipe is 1.5". The PB installed to me and they put the 2" to 1.5 pipe connect to my current pipe and the pump. Did this cause any problem?

I'm going to install a new 2 speed pentair pump (wfds-4) and it included the Hi/Lo toggle switch on the motor. My question, when swtich the pump speed, do i need to turn off the power first? or i can change the speed when the pump is running?

Hi, could someone let me know is plumbing company do the pool pump installation? I called pool company and they only do the installation if you buy the pump from them. I want to know if other electrician or plumbing service do the pool pump installation?

Currently i'm using Pinnacle/Purex Triton 1 HP Pump for my 18 x 40 inground pool. This year the pump is really loud. I'm planing to replace this to "Pentair WhisperFlo 1 HP 2 speed pump (WFE-4)". Is this pump OK for me? Do I need more horsepower like 1.5 HP? Also I have a timer to turn on and...

My current CH is 120 and when i visit my pool store, they told me to raise my CH to 200+. I read the recommended CH from Pool School is CH 50-300. Do i need to raise my CH? My pool is vinyl inground. Thanks.

Hi all, i have two skimmers on my pool (new owner of the house). This saturday I see my pump didn't priming water and my level water is halfway up the skimmer box opening. When i check my skimmers, one is priming water ok and one is not priming water in the skimmer, but when i put some water in...

Hi all, I read the post here and said 1/4~1/2 water loss each day will be normal, but when i talk to my pool store and they told me my pool may have leaking. They recommended me to hire the leak detection to check my pool. My question is anyone live in my area also losing same amount of water...

Hi, I read the post here before and it said if the FC is lower than shock FC level, it is safe to swim. For example if my CYA is 40 and my FC if lower any number of 16, is it safe to swim? and my daily FC if i keep around 5~10 is it fine?

Hi, i read the "shock your pool" in pool school, but i'm still not understand all. For example my CYA is 40 and then my shock level will be 16, so i need to keep adding chlorine at 16 ppm and until my water is clean and CC less than 0.5. My question is before I put the shock to my pool, do i...

Today my pool store opened my pool for me and I see they added "super chlorinator" (it is liquid) to my pool. Tonight when i test my pool with TF-100 test kit, i added 90+ drop(R-871) and still not turn the color to clear. Is it possible i have over 50 chlorine? and Is it OK? or did i do...

Hi All, my family just bought a house with pool. This few months I read a lot of posts here and see many people said can use Bleach for Chlorine. Could you let me know what brand of Bleach and type is best? Is following link breach OK? I'm planing to use liquid chlorine (If i can find from my...