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Hi everyone, I've just finished SLAMing my pool for the 4th time this spring and cannot get the marks off the bottoms and sides. The bottom just looks dirty. It is blotchy and black/gray. The sides have lines of yellow/green. Nothing seems to get rid of them. One note is that the CYA isn't...

My 1.5 hp Pentair motor just died and I'm wondering if I can just swap in a VS motor and if so is it a direct swap, what's needed? Thanks!

My light recently stopped working so I took my light housing out and snapped a couple of pictures. It is an R40 but is it 12 or 120 v 1/2 or 3/4. All.is on the label I have attached. i would like to put an LED on in its place, any recommendations? thanks, Jim

Just had pool replastered a couple of months ago. I have balanced and kept balance the pool during this time, but can't seem to clear up the bottom of the pool. It looks like dirt on the bottom and has a marble like look. I've attached a couple of pictures that may help in determining what it...

I have dug up my skimmer to find that my pool was plumbed with flexible PVC. It has rigid 1/1/2" PVC coming out of the skimmer. So I cut the flexible PVC off at its coupling. Now I'm trying to put a fitting on the end and I can not get it to fit. The fitting is 1.5" and the pipe is 1.5" but...

I have debris and DE returning to my pool and believe that I need to replace the o-ring. Where can I get an o-ring? Are the available at Home Depot or Lowes? Thanks, Jim

I'm looking at purchasing a PRAHER #SM-10-AO MULTIPORT VALVE 1-1/2" ALL PORTS OPEN FIP (WHITE) to replace my old broken multiport. I'm assuming that this is like all the other valves in that it has ports on the back side (part you can't see in the picture). Anyone here ever used one of...

I am installing a new multiport and the connections to the filter are different and will not work. The multiport I am trying to install has molded (as in not screw fittings) for the two fittings that connect to the filter. All the others are screw in type and pose no really problem. I am...

Every year I have problems with my multiport valve leaking out of the wrong ports. I replaced the spider gasket and everything looks good. But for some reason once I move the position of the handle I end up with a leak. So I just open it up and then close it and everything is good again. The...

I have determined that I have a leak going to on of my return lines. I haven't dug them up yet and before I do I wanted to get a little understanding as to what is under the ground. My pool has one valve for the returns. Once side goes to the return at the center of the pool and the other...

Should I just clean the filter and put it back together or should I also apply DE to it?

I notice recently that I have lost about 10psi at my filter. I've gone through everything that I can think of to resolve the issue, but I'm not sure where to look now. Yesterday I went out and backwashed the filter and I notice that when I put the multiport to backwash I gauge went up by...

I need to do and AA treatment and wondering if it is too cold. I could close and wait until next year or should I do it now?

Pool water looks good, but I have some sort of black stuff on the bottom and it appears to be spreading. I've brushed it several times but it doesn't change/move at all. I've brought the pool up to shock levels, but didn't maintain them there as I didn't have time to do overnight FC loss. The...

last year I closed with good values (cya=40,ta=7.2,ect) this yeat I'm getting ready to open and have a couple of questions The water temp is 57, pH=7.2, and FC=0 and just for understanding the CYA =40 From what I read here it says to bring the pool up to shock levels, but it says to bring it...

I'm looking to have a pool cover installed and the best price was on a Anchor Industries mesh cover. Has anyone heard of them? Are these good covers? Also, for a yard with lots of trees would the solid cover be better than a mesh? Thanks, Jim

Just received a new test kit and did all the measurements. Water looks clear, doesn't smell of anything like Chlorine at is about 80deg F FC - 7.5 pH - 7.2 TA - 50 CH - 160 CYA - 30 CC - 0 Seem like I have to had a LOT of chemicals. Seems like each on effects the other so where do I start...

Put my filter back together tonight, lubed the seal and tightened it all up and it leaked. Took it apart again, clean it as well as I could. Put lots of lube on before and after the rubber o-ring. Then I tightened it really tight. All was going well until the gauge read 20 psi and the...

I just backwashed my filter and after doing it the pressure is the same before I did it. The previous owner said it should be around 15 psi when clean and 20 when dirty, it is 21 right now. History: The PO showed me how to backwash nearly two weeks ago and I'm sure I'm doing it right, but I...

Just purchased a house with a pool and I'm now trying to take care of it. The pool is Plaster pool ~25,000 gallons, kidney shaped with one skimmer and two drains. I believe that the filter is a DE. Also, it has a heater that currently doesn't work. The previous owners had tablets in the...