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jbrownacu
08/08/2011, 04:41 PM
Just wanted to say how happy I am with the dual DI I ordered! I put it on my RO unit and for the first time my TDS meter reads 0!!! I couldn't be more happy. Thanks again and be ready for my next order in 6 months :)
Josh

Thefilterguys
08/09/2011, 08:16 AM
Glad to hear your happy and getting the water quality your after. Watch the color change in your cartridges and your tds reading, You always want to see zero tds and change at a reading of no higher then 2-3. For best results we recommend refilling and rotating your first cartridge when you see an inch or two of color change in your second cartridge, that way you should always have a zero reading.

Jim

jbrownacu
08/09/2011, 02:00 PM
what color does it change to?

Thefilterguys
08/10/2011, 08:56 AM
It changes from blue/black to a tan-amber-orange color and it is very noticable, the color shade is whatever you call it.

Jim

jbrownacu
08/10/2011, 11:17 PM
thanks jim!