resivour size

raymont

Well-Known Member
Going to do a flood and drain 3x3 table in a 4x4 tent. How many gallons would be recommended for a grow of this size
 

Fordprefect42

Well-Known Member
Going to do a flood and drain 3x3 table in a 4x4 tent. How many gallons would be recommended for a grow of this size
It depends how high you want the water to fill, but let’s say it’s to 6 inches. That would be 3 x 3 x 0.5 cubic feet or 4.5 cubic feet. A gallon of water is roughly 0.15 cubic feet so I would assume 30 gallons to fill the table, but you want some additional water in your res because you can’t drain it to zero or your pumps will go bad from sucking air.

I would guess probably 40 gallons, but check my math.
 

raymont

Well-Known Member
Im usiing a 12 gallon so if I control the drainage and slow the flow on the return to keep the table full I should be ok.
 

pegboy

Well-Known Member
I grow just 2 plants ( 2 -4"x4" rockwool) on a 2x2 flood table. 6 gallons for me works fine. I would say 8 to 10 gallons in a 12 res would be fine for you.
 
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