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  1. C

    Combining chemical filtration media

    Pretty sure that in solution, all phosphate ions are equivalent. Phosphates coming from organic sources are still phosphates, but they may come with other less desirable organics. Rowaphos is manly used in marine tanks to take po4 levels down to very low levels. Not sure if it will do much to...
  2. C

    Combining chemical filtration media

    sounds like you've answered your own questions! If they were going to react, physical colocation in the same bag would make no difference - they would do so by dissolving in water, which they clearly dont. One bag might improve flow especially if it meant 1/3 the amount of bag material vs...
  3. C

    can I tell which of my taps is softened using a pH test?

    I live just outside London, where the water is chalky, to say the least. My house came with a fitted mains water softener, essentially ion-exchange swapping calcium and Mg for sodium using salt tablets. I don't have a test kit as such, apart from the one that came with the softener, which...
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