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Re: Aquatic Plants Digest V3 #833


BOLLING37 at aol_com (Andrew) writes:

> I first looked at Reverse Osmosis, but that's a really expensive 			> option.  RO does not get rid of phosphate, chlorine and amonia, which are the only things in my tapwater that are really objectionable.  To get rid of those, you need a DI unit, which is really expensive to run: between $10 and $30 a month to replace the 			> resin cartridges, depending on who you ask and where you are.

I don't know at what RO unit you have looked, but most, if not all of
them, will remove 90+% of phosphate and other dissolved ions. While the
initial cost is moderately high, about $100, the upkeep cost is low. 

Check with the manufacturer of the RO unit, not at your LFS!