I am just finalizing my 1st pool build, and prior to finding this forum I was completely sold on a standard tab system with U/V and ozone. I see so many people on here that love their SWG systems. I have read many many post on here where this subject comes up, but many of them are old. I have a few questions relating to the SWG. In Texas, these systems were once the hottest thing to have and now 6 of 6 builders i talked to were anti SWG. I have read all about the flagstone issues, and equipment damages, and so on. I'm nowhere near the expert to discuss those items. I do however, have a few real world observations that I wonder about. I have personally seen multiple pools lately that are salt water, and i observe physical deterioration of different items in close proximity to the pool. This includes the rusted metal drip edge that is installed on the fascia of the house below the edge of your first shingle, rusted portions of rain gutters, rusted screws and fasteners on various items on the patios, and finally today saw a SWG pool with flagstone that has physical damage to the flagstone (not saying the SWG caused it). Is this something that you would just have to accept in trade for benefit of the SWG, or is it a water balance issue where the owners are taking their SWG for granted and not monitoring their chemical levels in the pool? Responses appreciated as this will likely affect my final decision of pool equipment choice.