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rickleah

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  1. As new spa owners, I went the weekly Dichlor shock, Mineral Sanitizer (Nature2) and MPS method replacing the water with each mineral sanitizer replacement (4 months, earlier refill as needed). The spa came with an ozonator though I haven't tested it. To reduce MPS consumption, I started using the dichlor (1/3 of the MPS amount) instead of MPS. I've since realized that this was overloading the cyanuric acid stabilizer level making the chlorine ineffective. I was also relying on inaccurate test strips for water balance measurements. I've since bought the Taylor K-2006 for accurate measurement and have adopted the Dichlor/bleach method though without the Borates. I probably meant to add Borates but either overlooked it or didn't have a boric acid source and forgot about this step until re-reading the method summary. I'll probably add this back in going forward. I also overlooked adopting the Chlorine Demand measurement which I'll include going forward as well. Using MPS messed with the combined chlorine measurement of test scripts I still had and was using for quick pre-entry measurement, so I quit using MPS. Without MPS, I didn't have to deal with alkalinity adjustments and we've rarely had heavy bather loads. I have MPS on hand and may buy the Deox Reagent for accurate MPS testing in the future. Regardless of these omissions/changes, the dichlor/breach method has worked quite well and the water has been clear and well balanced (so long as the spa didn't go under treated on the rare occasion that I've been gone for a week). My question is to what extent is continuing the mineral sanitizer (Nature2 Spa @ $65/yr) beneficial with the Dichlor/Bleach (or 3-step Bromine) method(s) since I have not been using MPS? Thanks for the great info!
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