How many gallons per module?

[mets21]

cch2o recommends 6 gallons per module during veg, and 4 during flower. (in 8 gallons system)

If the water levels is about 2" below 8inch net pots, what does that equate to?

 

[deacon1503]

At the netpots should be roughly 6gals per. 2" below you should in the 4gals per range. Remeber to include the Epi.