Ro/ DI Water

[wodo]

Wnat is RO/DI Water

 

[defect808]

Ro/Di water I think stands for Reverse osmosis/Distilled water. Should be used when filling up your tank.

 

[xxxgreg]

ro/di water is reverse osmosis (RO), deionization (DI),

 

[chadman]

r/o water is pretty much water at its purest form...its your best bet when it comes to water for you fish tank