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    Calmag with RO water and Hesi soft-water nutrients?

    Hi Guys, Our well water is unusable so we've just dropped in a a high-end RO filter. The water is coming out with a TDS of 20ppm and pH 7. I have Hesi soft-water nutrients, so in theory they should have everything I need for use with RO water. However, I've read many threads suggesting...