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I am looking for a replacement O-ring for the Jandy filter located in my signature. Does anyone know a reputable online vendor for this? Thanks in advance.

The weekly brushing of the walls of my pool is my least favorite pool maintenance task. Why is this necessary? I have been out of town and sick the past two weeks so it had been three weeks since I last brushed my pool. After brushing I noticed no difference in the water. No clouds kicked up...

Now that I have a pretty good handle on my water chemistry (that's to this site and the TF-100), I turn my attention to try and better understand my plumbing. My skimmer and drain piping is shown below: If I understand correctly, pipes 1 and 2 are my pool skimmer and drains and pipe 3 is my...

Since I have cartridge filters, am I correct is assuming that my CH and borate levels should not wavier much?

OK, before I do this are there any final suggestions? I've read the sticky article over and over again and I'm ready! (I think) How soon can I add the second half of the borax / acid dosing?

I just finished my first test results with my new test kit. They are as follows: FC = 5.0 CC = 0.0 TC = 5.0 ph = between 7.5 - 7.8 TA = 80 CH = 310 CYA did not test yet, I will wait till spring.

As the subject suggests, is it unwise to add small quantities of muriatic acid (one pint to one quart) to my pool w/o the pump running? Would it be OK to let it sit overnight until the pump starts the next morning?

For the first time, I plan on adding salt to my pool tonight. My salt reading is 2900 ppm. Any special advice? This is what I plan on doing: - Turn on pool pump - Turn off SWG - Add salt around perimeter of pool - Brush the sides of the pool for mixing - Leave pool on for 24 hours - Turn on SWG

test avatar and new sig

As part of our pool construction, we had pea gravel concrete decking installed. In one area of the decking, we are getting rust spot formation. Here is a pic: The spots are too large to be re-bar or re-bar ties sticking up out of the concrete. Any idea what this may be. It has seemed to...

I finally have all of my readings right where I want them. My test results from Saturday are the following: FC = 3 PH = 7.6 TA = 90 CH = 250 CYA = 60 Should I add borates (20 mule & acid) now or wait for the spring? We are only using the spa now, the kids say it is too cold to swim in the...

My pool has a BOOST mode on the SWG that produces 100% chlorine generation for 24 hrs. In a couple of weeks, I have having a pool party with a heavy swimming load. How should I program my BOOST? 1. 24 hrs. prior to my party? 2. 12 hrs. prior to my party, so that the middle of my BOOST mode...

First off, thanks for the great site. It's written so that even I can understand this stuff. My plaster pool is 5 weeks old and the SWG was just activated. I am keeping my FC around 3-5 and my PH around 7.2 to 7.8. Do I have to wait a certain length of time before trying to adjust my Total...