dagoat Senior Member Joined: 10 Dec 2004 Posts: 321 Location: santa barbara, ca Expertise: I love coffee
Espresso: La Pavoni Europiccola, BDB... Grinder: baratza vario Vac Pot: aeropress Drip: manual Roaster: cafe rosto
Posted Fri Jul 13, 2012, 12:51pm Subject: water softener resin, is it consumable?
are the resin beads in water softeners meant to dissolve, or disappear as they are used?
put another way, is there a way to tell visually, when they are no longer working?
i'm referring more specifically to the softener/filter pouches that come with the Breville Dual Boiler. I use mostly RO water in it anyway, (with a little hard tap water thrown in for at least some hardness), but in general, my water is a good deal softer than straight tap water.
Posted Fri Jul 13, 2012, 3:03pm Subject: Re: water softener resin, is it consumable?
The ion exchange beads that most softening systems or devices use (the ones that I have seen) do not dissolve. The surface of them holds the exchange coating(?). Some are made to change color when they need to be recharged. TDS meters are not accurate to judge since the total hardness remains about the same before and after treatment because one solid (a scaling solid) is exchanged for another (which doesn't scale). The best and least expensive test is the Aquarium Pharmaceuticals GH+KH kit which uses liquid drops to test the water.
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