reefs

Brass valves on RO units???? : General Reefkeeping Discussion ...

Sep 12, 2001 ... Tap water won't corrode a brass valve very quickly because it's already saturated with minerals; DI water has all kinds of room to absorb whatever ions it ... Short contact time doesn't help all that much; regardless of how fast water is flowing, the water at the inside surface of a pipe or fitting has zero velocity; ...