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I purchased a T-cell-9 from Amazon 18 months ago. Directly from Amazon as seller and shipper, not from a 3rd party. Paid the full retail price, same as any other place I looked at for pricing. 18 months later, the T-cell shows it has failed. I have tried cleaning with no success. I put in...

I had my pool re-plastered late December, and waited until now to add salt. Went to Home Depot and got 16 bags for my 20,000 gallon pool. It was clearly labeled Pool Salt with 'highest purity'. But it was actually brown salt and created a oily film on my pool and totally clogged my cartridge...

I purchased a TDS meter and for testing my RO system, but then decided to test my pool with it. Just because I can ;) . Am I correct that TDS is the sum of Salt, CH, CYA and TA in ppm? It seems pretty close. Here are my readings: TDS: 2100 ppm (using my TDS meter) salt: 1500 ppm (using 0.5...

I just noticed last week that my water is going down by about 1" per day. Perhaps a bit less. Today, I noticed a new hairline crack at the very bottom of the deep end. About 3-4 feet long and irregular shaped. Occurred after some of the biggest rains we have had here in SF bay area in years...

I am going to replace my Polaris 380 with a robotic cleaner. I leave my Polaris in the pool all year long, removing it only when kids are swimming. It has held up well for the past 7 years needing only a few minor repairs such as belts. Can I do the same with a robotic cleaner? I am often...

How bad is it to have a SWG on when the pump is not? Will the flow switch save the Cell from damage in this case? Here is the background: Because I have a VS pump, I cannot put the SWG on the same circuit for power. There is an automation upgrade coming in about 4 months that will solve...

Here is Northern California bay area, PG&E charges 37 cents per KWH for anyone who uses any real amount of electricity (the more you use, the more they charge per KWH). Given this super high cost, does SWG still make sense? Given the initial cost of purchase and installation (assuming about...