Quote:
Originally Posted by Mjk412
Thanks for all the help! Now what filters should
I buy? It’s for a 75g tank. Do you think it’s cheaper to upgrade this one or just buy a new unit for $200?
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That's probably a toss up. The most expensive part of a ro/di unit is the filters themselves. By the time you buy the filters and add on's separately your probably going to spend the same amount or more than a new unit.
All you really have is the shell to the ro unit. The housings are all basically the same other than some are clear and some are not.