RO/DI and other random questions
I have a few questions so I thought I'd lump them all together.
For buying an RO/DI unit,
1. What should I be looking for?
2. Is there a big difference between brands?
3. How much should I be spending for a 100gpd unit?
and unrelated,
4. What kind of filter do you folks use on an H or Q tank?
Thanks
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