what's the difference between a 5 stage R/O unit and having a RODI unit....my question can you use just 5 stage R/O water for a saltwater aquarium or do i need the DI portion?
i have for sale or Trade:
1 - 1700 Rio pump (115v / 2439 - LPH / 23W) 20.00 obo or trade
1 - 2100 Rio Pump (115v / 2630 - LPH / 37W) 25.00 obo or trade
2 - Sunpaq Retro-Fit Drivers (120v - 60Hz / Model: 1552 / 96W) 40.00 obo or trade
i have all wires and reflectors and screws
i don't...