RO/DI Units vs DI Only?

[Son Of Skyline]

Originally Posted by smokinreefer

what are you using now?
a TWP?

if so, i would recommend a ro unit...i just made the switch over and its a cost that you cant really justify until youve paid it. well worth it IMO, wish i had made the investment sooner.

mind you i have a larger need for water than you. i lose 5 gallons of water in 2 days from evaporation alone.

Yes, I'm using the TWP right now. I do have a big need for water as well. I lose about 2gal per day to evaporation. It's just that my budget is tight right now and I can budget in one of two things right now...live rock or an RO/DI unit. The tank is still pretty new and it's only got 35lbs of LR in the 120gal tank. I'm trying to figure what I need first and work on the next item in the next couple months. Thanks