It seems that there are many RO/DI units available for around $100. However there are also plenty of them that are $200 or even $300. Some are 2 stage, 3 stage or 4 stage.
What do you get for the extra $$$ when buying the more expensive units (ouher than GPD output) ?
Is it worth it?
What do you use?
What do you get for the extra $$$ when buying the more expensive units (ouher than GPD output) ?
Is it worth it?
What do you use?