I guess I'm going to break down and buy a RO/DI unit. I have a 65 gal Reef tank. Which unit would you recommend? I normally buy supplies from Dr Foster and Smith.
http://www.drsfostersmith.com/product/pet_supplies.cfm?c=3578+4395
http://www.drsfostersmith.com/product/pet_supplies.cfm?c=3578+4395