Thread: ebb n gro vs ebb n flow
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Old 06-29-2009, 08:41 AM   #3
UpNorth
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Quote:
Originally Posted by bagabones73 View Post
is the 55 gallons enough water for a system of 40 plants?
Definitely, but flood times may need to be upped to 30 min instead of 15.

Regarding the PH fluctuation, I really don't know from experience as I only have 12 plants per res, but my guess would be that it would be fine during veg or the 1st 2-3 weeks of flower, but after that you'd need to watch it every few days.
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