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I am closing and added 1 quart of Polyquat 60 to my 16x32 inground pool. A couple of days later I checked the PH and it has gone off the scale to the high side. I added 14 drops of R5 acid demand to get it back to about 7.8. Nothing else has changed and the FC is 7.5. I have searched the forum...

Each year that I open my pool here in New England I have the same problem, it takes until mid June to get the water to clean up to the point that i lose zero chlorine overnight and maintain it. I perform the SLAM and have twice gotten a good OCLT only to have a setback shortly afterwards. The...

This is about my third year using the TFP method of sanitizing pool water and I have a question. I've kept notes of my test results and each year I have had a similar experience each year. The pool opens with fairly clean water. I manually scoop out the dead worms from the bottom and run an...

Does anyone have any neat gadgets to collect a water sample for testing? I'm getting old and arthritic and don't want to bend down kneeling on the concrete deck to stick my hand in the water anymore. I'm thinking about a small bucket with a string tied to it and a little weight to make it sink...

I'd like to know exactly how do you seal up a heater for the winter. I have installed wire mesh over all of the openings in the sides and top of the heater. I also had the heater in my garage where I put a bright light inside so that I might see any hole in the floor but saw nothing. After all...

Can anyone remind me how much liquid MA is used per gallon of water to raise CYA? I have the Taylor instructions and tables but they use solid measure in pounds. Mike.

I'm in Connecticut and have been adding 1 - 1.5 gallons per day of 12.5% chlorine to my 18k gallon pool. I completed a slam and had it down to 2ppm oclt and I'm still using 1 - 1.5 gallons/day. In addition to the pollen it has been raining almost every other day. What should I expect to be using...

I'm curious what you guys think about adding an aftermarket cover to my recently replaced Hayward super pump. It would be something similar to this https://www.amazon.com/Universal-Vented-Pool-Motor-Cover/dp/B003MBXLD2 Do you guys think that this is a good idea? The pump appears to me to be...

Is anyone getting tired of measuring 10ml of water every time they check their chlorine? I check my chlorine twice a day and I'm tired of trying to pour just the right amount of water into the little test vial. Up until now the easiest method I've found to get a consistent amount of test water...

Can anyone say if a glycerin filled water pressure gauge will freeze if exposed to winter freezing temperatures? Mike.

I have a Hayward filter with the water pressure gauge located on the multi-port valve. The sand filter also has a threaded hole at the center of it's dome shaped top cover. I'm thinking of moving the gauge from the multi-port valve to the top of the filter to make it easier to read. Up until...

We have a private well in our home and I have a water question that I think this group can answer. When I make ice cubes using the water from the well and then melt the ice cubes in a glass of the same water, small white particles fall out of the water and collect in the bottom of the glass...

It's been made clear to me from posts here that I'm not the only one that has trouble determining the results of the CYA turbidity test. Being that preventing algae growth is to a great deal dependent on FC level and your FC level is based on the CYA level, this is a critical fault with the BBB...

Just what the title says, I thought that some would enjoy this article from Aqua Magazine that supports the TFP method for sanitizing pool water and the chlorine/cya chart. New Thinking: Chlorine/Cyanuric Acid In Balance - AQUA Magazine Mike.

If combined chlorine is gassed off into the air at all FC levels and accelerated by the sun and/or increased FC levels then what is the meaning of "shock level"? The CYA/Chlorine chart here states a specific shock level given a specific CYA level but isn't it true that any increase in FC is...

From what I've learned here and supported by reading at other sites, the ideal level of CYA is 40 - 50 ppm. I called Taylor to confirm this and they insisted that I should not go above 50 ppm of CYA in my vinyl pool using Sodium hypoclorite sanitizer. I am currently testing between 40 and 50 ppm...

I am using the Taylor K-2006 FAS/DPD test kit and have noticed something that I don't understand. For the past week or so I have had crystal clear water and have been measuring zero combined chlorine while maintaining 5 - 10 free chlorine at 50 cya. Everything was great except that I am using...

Have you guys found the quality of liquid chlorine to be inconsistent? I'm talking about new (within a week) from buying at the pool store or big box store or wherever you buy it. I won't say where I've been buying it because I don't want to focus on any one store but I suspect that I've...

We are in full pollen season here and my chlorine demand has gone from 2 pints/day a few weeks ago to a gallon or more now. I began to slam the pool but it occurred to me that it may be smarter to wait until the pollen subsides to do the slam. My water is crystal clear and I have zero combined...

My 16 x 32 in-ground pool is closed for the winter with all ports plugged and a sieve type safety cover on it. I want to add some liquid chlorine now while the water is still clear before opening in order to prevent algae and other problems between now and opening. The Loop-Loc company...

Do any of you take the trouble to bring your in-ground pool pump and/or heater indoors for the winter? If yes then how do you deal with the electrical connections? My pool is hardwired but I am considering changing to some sort of quick disconnects to make it easy to bring them in. Mike.

I understand breakpoint chlorination to be the free chlorine level at which you break up the combined chlorine molecules in the water and release them into the atmosphere. I have seen breakpoint defined as 10x combined chlorine and I have seen it defined as 100x CC and I have seen it defined...

After a long SLAM my water has been losing about 0.5ppm FC per day which i am very happy with. Ther pool gets low use, my wife and I are the only ones that use it and I don't go in very often. So finally this morning my FC had dropped from SLAM level to 4ppm and all the while the pool has been...

I am testing CYA using the Pentair test kit with the vial that has a visible dot that slides up and down in the test sample. The instructions say to mix the chemical with the water sample and wait between 30 seconds and two minutes to read the results. My problem is that when I take a reading...

I have learned through reading here that the TFT procedure uses liquid chlorine as a day to day sanitizer. I like this idea as it doesn't add CYA or calcium to the water as a byproduct. My question is how do you store all of that chlorine? If I use a half gallon/day that adds up to...

I would like to buy the Taylor R-0871-E reagent in 16 oz bottle but it doesn't appear to come with a dropper. What do you guys use as a dropper or to measure the dosage when buying in quantity? Mike.

I noticed that your chlorine chart recommends target chlorine levels well above the industry standard of 4ppm. How do you explain this? Mike.

I have a question for those familiar with "Sustain" pool sanitizing system. I have read that an OTO test for combined chlorine will give a false high reading when using the Sustain system. It said that the summer shield product somehow interefered with the test. The article went on to say that...

I'm a new member and have been reading here and elsewhere and am in the process of trying to eliminate a high 3.0 ppm combined chlorine reading (using Taylor dpd-fas test). Initially the CC was 7.5ppm. I added 3 gallons of 12.5% liquid chlorine and 2 cups of 65% Sustain energizer and this...