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This forum has been a great place for me as I have learned a lot and saved a lot of money! On that note I want to share a recent success story. This year I had to replace my inground pool liner. I live on a lake and I have previously filled my pool with lake water. In years previous I have...

thanks this is perfect!

I am following you now! Basically I need to square up the current coping and then mortar on the remodeling coping. Can this cutting wheel work be completed with the liner in the pool or would you suggest doing so prior to changing the liner?

Thanks for the replies. I am not following you when say cut off the overhang, are you referring to the aluminum coping filled with concrete? Does this mean I do not have to replace the liner track? I have seen the remodeling coping, I didnt think it was able to go over the bull nose rounded...

Hi all, I have a 18 x 36 inground pool in Massachusetts that was installed in the 80s. Over the decades the deck hasn't moved but it does has a few small cracks, nothing substantial. The coping is in worse shape (cracking) but still robust. The liner needs to be replaced in the spring and...

Gotcha. I didnt notice that this pump does not come with an AUX out. I will add a relay from the pump to the power source for the SWCG.

First off I want to thank this forum, and contributing members, as I have been a pool owner for 5 years now and this site has helped me learn the ropes. Thus far, I have been maintaining my pool using 12.5% LC, baking soda, borax, and CYA for the past 5 summers. My pool liner needs to be...

Yes, the material is stuck on really well. I have not been able to remove any material and capture it for testing.

I will do just that. I will post an update in a couple weeks.

Yes the white material is still present and stuck to the liner floor. A minimal amount has been removed via vacuuming/brushing but nothing substantial. The little bit that has been removed was either dissolved or vacuumed out. Again this was a very insignificant amount. I even tried to...

Ohh that does not sound good.... No chemicals are left over. Anything I can do to test if it is di-chlor? Can I fix it if it is?

The liner is covered with a white material, it does not appear faded. The lake is roughly 40 ft lower then the pool and there is no main drain. This white residue was not present in Sept, then the pool was closed by the previous owner. We found the material present upon opening the pool this...

Sorry for the delay. The SLAM went well and the water is now crystal clear! Everything went as planned, thanks for all the help. I have lowered the ph to 7.2 but the white material is not budging from the walls, is there anything else I can do?

My SLAM has been completed and the water looks amazing. The white residue is not moving. I have lowered the pH to 7.2. Any idea when I may see an improvement?

May? Slowly? This all sounds awful! Are there any other options besides changing out the liner?

I have not done a deep clean of my filter. It runs at ~5psi and I added a cup of DE to bring it up 1 PSI. I can vacuum to waste but I normally do not. We bought this house in December and the pool looked great when we walked through the house in Sept. It was closed the previous owner (I am...

My pool water is starting to clear up nicely but the white residue remains at the bottom of the pool. I have been vacuuming and scrubbing but it does not appear to be getting any better. Any thoughts?

Ok I will try this out. I will need to wait until my FC comes down so I can get an accurate pH reading. Since I just started the SLAM process I wont be able to start this until after my water turns from its current green color to clear and I pass the OCLT. I will keep you posted with my progress.

What about low hardness? What negative affect will that have on the pool/people?

I am not certain it is calcium, I only suspected that from reading through this site. This is my first season with the pool as I recently purchased the home. The material was present when I opened the pool last week. I do not remember seeing it there when we toured the house last fall...

that was before I drained the pool. I had to bring the cya down significantly. I have yet to anything to raise the hardness level

sounds good. My current numbers are as follows: FC - 12 TA - 80 CH - 30 CYA - 30 pH - 7.6 According to the CSI calculation I am currently at a -.6 with a CA of 30 ppm. Is there any harm to me leaving the water soft and not adding calcium chloride? I am assuming this will help in the...

I am currently slamming my pool, thanks for the help. In regards to the calcium, my pool has a vinyl liner so acid washing is a no go. Has anyone had any luck with Leslie's ultimate scale and stain remover, or a similar product? The scaling makes the surface very rough and it is a pain to...

I was able to turn the pool over 3 times this weekend. Once turned over the values were as follows: FC - 0 CC - 0 TC - 0 CH - 20 CYA - 30 pH - 6.5 TA - 30 I then raised the alkalinity to 80ppm and targeted a 7 pH but overshot to 7.6. I then added two gallons of 12.5% bleach which raised...

I have the result from the lake water. pH is below the k2006 reading but the strips estimate about a 6.2, TA of 20ppm, and hardness at 30ppm. I also have a calcium build up on the bottom of my pool. Should I attack the calcium with the low pH or raise the pH and go for the slam treatment?

Ok I am currently exchanging water from the lake to my pool. The lake wager has no iron, TA of 20ppm, 30 ppm hardness, and a pH below 7. I used strips and the estimated pH is 6.2. I also have a severe white build up on the bottom of the pool, what I believe is calcium ( solely based on what I...

I can do that. I also have a significant white scale on the bottom of the pool. From reading through the forums it may be calcium? Before I shock it to 60 I will attempt to get a sample and dissolve it in vinegar to test. All I can say for now is it will not come off via vacuuming or...