Re: The Official Asylum Reef Tank Thread
I have a dual TDS meter on my RO unit. One side reads TDS before the DI and the other side reads TDS after DI. I regularly use RO water to refill 3 liter water bottles to use in baby bottles. I know that water is nice and clean.
Dual TDS meter was a great addition to the RO unit for sure. I might pick up a hand held one of these days just to double check.
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