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Hi All, It's been a while since I posted or read posts because of being away at the hospital. Last season my family took care of the pool according to a manual I had prepared for them. Only closing and opening were done by pros. I'm coming back home soon and I'll be still having my G-tube. I...

You are a third or fourth generation of Liquidator users here and many of the problems and issues which you may be facing now have been already addressed, discussed, and solved here. Here are a few tips that may save you a lot of time and aggravation: 1. Hasa’s (the manufacturer) flow...

I’m almost done turning my green swamp into a sparkling oasis but alas, in a few days I have to leave again for 3-4 weeks. The green swamp occurred last year simply because I was away for a much longer period and I wasn’t around to get anyone prepared. I’m not sure if my family is able...

The pool I inherited from a previous owner had originally two ¾” returns, one main drain, a skimmer and a 11/2" Polaris line. After awhile the previous owner shut off the main drain because water from the water table leaked into it. When I inherited the pool the Polaris line had no use...

Hi all, I'm in the midst of clearing my green swamp and the DE filter's pressure goes up intermittently so I have to backwash frequently. Needless to say the pump works 24/7. Suppose the pressure goes up by at least twenty and it's night time. What can happen if the pump continues to work...

Based on the CYA-Cl chemistry, whose fine details I've forgotten, is there an upper limit of Cl for a given level of CYA, above which the Cl will stop being effective? I think that there should be an upper limit because after all, the "stabilization" of CYA is a result of the actual bond...

Split off of this topic. JasonLion Jason, First thank you for this comprehensive post. I’m sure it has helped a lot of us. I have a couple of questions: You mentioned testing after half an hour. At an average flow of 50 gpm only 1500 gal of water circulate through the pump. What is the...

Hi all, I'm in the process of opening my pool, although the current weather indicates that the swimming pool season wouldn't start until mid July :rant: Obviously, the first two values we check are pH and CYA. The pH was high so I lowered it to 7.2. For CYA I used the Taylor kit and the TF...

Hi all, I just opened the pool after a long leave of absence and I have my pool work cut out for me. I see through the transparent cover of the pump that there's air in the line. Also, I discovered a pin head size hole in the steel casing of the DE filter. The casing looks a bit rusted from...

Hi all, long time no see. :handwave: As I mentioned in my previous post soon I'll be opening my real green swamp. I wonder if someone can help me to guesstimate how much 12% "liquid chlorine" I'll need to get in order to clean my 22 kGal pool? The surplus will be used by my liquidator for...

Hi all, I’m glad to be back after a year of absence due to being sick and hospitalized. I wasn’t at home during the pool season of 2010 and my family couldn’t take care of the pool properly so obviously I have a green swamp, but this is another story. I’ll take care of this hopefully...

Should I take it off for the winter and store at room temp, or is it OK to leave it there? I assume there's no water or humidity in the brass connector and T, but who knows for sure?

Already started the process of closing. Did partial drain and lost pump prime so I can't use the vac line any more. Hard to get these suckers out with leaf cleaner. Any suggestions?

Tomorrow (Friday) my pool pro is coming to close the pool so I started prepping whatever I can do on my own before he comes. Water temp has reached a good 55 so it’s ready to close. I brushed off and collected all the tree debris and acorns from the solar cover. I figured that later on...

Near the deep end of my pool there’s a big oak tree. When I opened the pool at the beginning of the season there was in the deep end's bottom some tree debris, including leaves and acorns. At the bottom nearby I found these stains which wouldn’t be removed with shocking or scraping. I...

From the Boston Globe. I don't know if this also applies to pools, but since swimmers like to swim everywhere, chances are you may dip in a contaminated pond. FYI and be careful.

Last year chem geek gave a detailed analysis of the chemistry of the bleach solution on top of the Liquidator. This solution is enriched with chlorine more than the pool water, although its concentration there is a lot lower than that of the bleach at the bottom. Also, the pH there is...

These questions are applicable to swimming pools in the snow belt. 1. If all pipes are going to be blown out using an air compressor or shop vac, does the water level still have to be below the returns? 2. If the water level is a few inches below the lowest tile line, and there’s a chance...

At the begining of the season my TA was 90 and now it's 110. The only reagents that may have contributed to the rise that I can think of are : 1. I used a combination of 97% boric acid and 3% borax to get 50 ppm borates. I don't recall if I measured TA after the addition. 2. I sometimes use...

Last year we had numerous posts regarding Liquidator problems related to installation, flow, and WS issues. These problems and issues were dealt with by many contributors and many of them seem to have been solved. This year the activity is very low. There could be three reasons for this: 1...

I used to get my MA at the local pool supplies store because Home Depot stopped carrying it. Now the store is carrying "Acid Magic" instead, described here. I called the manufacturer, Certol, and I was told that the HCl content is similar to that of MA, but because of the addition of...

This is mid season, and I already had one backwash. Water has been crystal clear and I haven't used the pool for a few days. Suddenly within one day the filter pressure went up by 5. What could have caused this sudden jump? FC has been steady at about 2.5. CC =0. CYA 30-35. pH 7.3.

The pool is 28 years old, and this is my 4th season owning this house with the pool. When I bought it I saw a patch job on the tiles and a PB who inspected the pool for me said that the coping stones need to be replaced. He reached this conclusion by tapping on the stones. The supposedly pro...

Lucky me - the weather is finally nice (give or take) but I got today a painful ear infection. Antibiotics and pain killers aren't working so far. When I swim I deep my head in, and also dive. Does anybody know if the pool has anything to do with it? Has anybody been infected and what was the...

Is an indoor pool considered the same as an outdoor pool as far as the CYA/FC chart is concerned?

A friend of mine is interested in an AGP. 28' or the square equivalent. What brands should he look for?

"Pondering the deep mysteries.." (A quote from "The Deeper End" board description) - Yes, indeed. So I added 50 ppm borates and salt because I read people said it’s good. What’s the use of being a member at TFP if you don’t listen? My salt level is now 3800 because apparently my...

They aren't disabled. When I try to insert a smily the board moves up and I see the "Trouble Free Pool".

This is my second season in "the program". After regular water adjustment and sanitation has become like a second nature, I decided this season to have top quality water by adding borates and salt, trusting positive reports from other users regarding these two chemicals in their proper dosage...

When I opened my pool I could see the bottom, but water wasn’t very clear. There was no sign of algae – I made sure to prevent it by circulating chlorine with a sub pump a week or two before opening. The water got crystal clear in two days or so and after about three days the DE filter...