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    Why does adding more salt to an already saturated brine solution cause TDS to rise?

    I've been doing some water softening experiments and have discovered something that has me scratching my head. My assumption all along has been that if you add salt to water you will reach a point where no more salt can be dissolved and so any additional that you add will simply remain solid...
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    How low can pH safely be if CSI is balanced?

    How low can I safely lower my pH assuming my CSI stays in the balanced range? By safely, I mean lack of damage to pool plaster and possibly other equipment or stone, tile, concrete. What I'm getting at, is it the CSI that really matters for corrosion vs scale but we instead focus on a "normal"...
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    Living with 2176 ppm CH fill water

    Hi, My fill water comes from a very deep (~600 ft) private water well. The water that it produces is off-the-charts high in calcium hardness. 127 grains/gallon the last time I measured it -- very tedious to count that many titration drops! So as you can imagine the CH of my pool is always...
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    BioActive success

    Hi, I'm new to pool ownership and this forum, and wanted to share the good results I had with BioActive. I posted a favorable review on Amazon, and have duplicated some of the information here since this forum has helped me learn a great deal. TL; DR: I followed the directions closely and...