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I’m thinking of using Gator seal wet look for my Inca pavers around the pool. Any suggestions on whether this could make my pavers more slippery when wet? Is this a good type of sealer? Should I be considering other sealers? When it’s time to reseal (maybe in 2-3 years I presume) will there...

I need to order the PJAN145 cartridges for my Jandy filter and one site that is offering it says “old version”. They also have a “new version” for a lot more money. Does anyone know what the “old version” means or when the old version was changed to the new version?

When my pool was built, I was required to keep an expansion joint between the coping and my deck pavers. The joint was 1/4 inch and was filled with foam 4 inch by 1/4 inch (this foam was also required). I have a contractor fixing some stuff and he pulled up the foam and is replacing it with a...

I need replacement filters for my Jandy CL580 Cartridge filter. I used to use Pleatco PJAN 145, but the price has gone up from about $200 to $300. Are there any other suitable replacements? Thanks

My pool was built six years ago and they used what I think is concrete between my tile and my coping. Between the coping and the deck they left the 1/2 inch gap they were supposed to and filled it with foam and put sika flex over it. I now have two issues: 1) The mortar between the tile and...

My SWG has malfunctioned and while I'm waiting to get it fixed (which may be a week or two), I need to add chlorine to my pool. I have some liquid chlorine and I also have some 3.5 inch Trichlor tablets. If I add a 3.5 inch tablet to my pool (which is 40000 gallons), how much chlorine would...

I closed my pool on November 22. My PH was 7.5, FC 12.0 (I had poured liquid chlorine to raise it a day or two earlier), CC .5; TA 90, CH 225; CYA (forgot to heck) I just checked my pool and in the deep end the PH was 8.2 (which is normal because it always rises in the winter); FC 2.0; TA 80...

I believe I could hook up my digital 220 autopilot to my iaqualink although that would mean I lose the temperature feature whereby the temperature affects how much chlorine is made. If I do that, what information would the iaqualink give me? Would it tell me if the autopilot had a low flow...

I'm not opening my pool for a couple of weeks so wanted to add some Chlorine to make sure there is no algae when I open it. Rather than look for the correct bleach (last time I had trouble finding it at my supermarket), I stopped by Leslies and asked for Liquid Chlorine. They sold me...

I have an IPHONE 6, and have noticed that the way the website appears on my IPHONE 6 has changed in the last 6 months or so. Below are two pictures that show how it used to appear (this is the look I like). But now it almost always looks like this (a look I don't like): Is there a way...

Has anyone used a Merlin Thermo-light floating cover for their hot tub, which has an R value of about 8. I am thinking of ordering one and would be interested in any reviews. Thanks.

I am getting my pool closed tomorrow so I wanted to lower my ph to 7.4 (because I know it will creep up). I tested using the TFT100 kit (and checked it with my ph meter) and got 7.6 with the meter and just over 7.5 with the TFT100. I then added the requisite acid to lower it to about 7.4...

I am plannig to purchase a shed for my backyard (to store all pool related stuff like chairs, floats, etc). It will be about 10 x 16 or 12 x 16 or maybe bigger if once we get there we decide on a larger one. My question is what type of base should I use? Some places suggest gravel (or rocks)...

Last year I closed my pool in late October and opened in early April. But my PH was off the charts and I think it affected my plaster. This year I want to make sure that I keep my ph in check. Could someone please point me to a pump (maybe on Amazon) that I could use to circulate the water...

I have the Jandy CL-580 Filter and want to buy replacement cartridges (so I can replace them when I clean the dirty ones). I see a 4 pack Pleatco PJAN145 brand for $169 at PoolSupply (includes $20 off) and $182 at amazon. Is the Pleatco brand a good one? Any reason not to use a generic like...

My pool was built last year and there is a Grotto made out of rock. My contractor didn't have one solid bluestone slab that fit the top so he put on two pieces (one of which covered most of the Grotto). He cemented the two pieces together. You can see the cement in the picture. . I noticed...

I have a loop loc safety cover and when they installed it they put brass anchors in my paver deck and in my rock wall and grotto along the back of my pool. Some rocks are actually on a ledge inside my pool. When in the pool one can easily touch the anchors that were drilled inside the rocks...

I have a stand alone hot tub that uses Bromine and I have the TFT100 test kit, which can test for bromine. But is the Taylor 2106 a more precise Bromine test. Do you recommend that over the TFT100 test for this purpose.

When a pool sock is used in the skimmer the skimmer basket retains a lot of dirt and other stuff which would otherwise flow through to the filter. Does that cause the pool to use more chlorine while it attacks the stuff retained in the skimmer basket?

My R0008 bottle (which turns the sample green) was having trouble getting the drops out, so I picked the opening with a fork to make it easier for the drops to come out. But now it seems like the drops may be a bit bigger. Would bigger drops of this regent have an affect on the TA test?

I have the autopilot digital SWG and the directions state that my CH should be between 200-400. It also states that if CH is too high it could prevent the salt cell from being able to clean itself. It doesn't specify, however, what level of CH is problematic for the salt cell. My CH is 425 (...

Above is a picture of an actuator I have that controls how much water goes to my slide. I realize I would much prefer to be able to control it with a manual valve because the actuator only gives me two options (large amount and smaller amount) of water to the slide. And water is often bouncing...

Based on some advice on this cite, I have given upon adding an electronic PH and acid injection system and decided to add instead a fixed rate acid stennar. But I have some questions. 1. Where should it go on my pad and is there even room for it? See pictures showing back and front of my...

When using the speedstir, do you put a drop in and then turn the speedstir on for a couple of seconds and then turn it off before you add the next drop. And then repeat the procedure. Or do you keep the speedstir on while adding one drop at a time?

I added Calcium Chloride because my 2015 TFT test kit said my CH was 225. But after adding I tested with my new 2016 TFT test kit and it was 425 (even though Pool Math said it should go to 325). I then retested with my 2015 test kit and it read 325. I am assuming the 2016 test kit is right but...

I have had my pool for only one season, and check chemicals regularly, but have found that the only chemical I need to constantly put into my pool is ACID to lower my PH. Last season (my first), after adding salt, CYA and CH, I hardly made any adjustments to them all summer. I would like to...

As I indicated in another post about this topic, My Plaster was finished early June last year and when I opened last week the PH was very high. After three gallons of 32% acid (over a three day period) it went down to about 7.4. I ran my Polaris for a couple of days and it kept filling up...

I closed my Pool last year in late October (when the water temperature was well below 60 degrees) and opened it last week (pool temperature was again below 60 degrees). I had a LOOP LOC Mesh cover put on and followed all the procedures of Pool School. When it was opened on Friday, my FC was...

I have the IAqualink 2.0. I control it from my phone. When my phone says my Laminars are on, they are really off. And when I turn them "off" on my phone they actually turn on. Any ideas how to switch this so it is correct. Thanks

My pool was built this year (plastered in June) and I have been doing my own chemicals since about July. The pool water is now below 60 degrees and I am ready to close it. I have hired a company that will put my LoopLoc cover on and close the pool. When I asked them what chemicals they...