My current setup.
3 gallon/min @65# 12V RV pump
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The grow I moved the hardware from the rez and put it on a separate stand, Pump and manifold. Did this so I could add the lid to the rez.
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8 port Orbit distribution manifold.
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Here are the emitters I am using, Rainbird adjustable. The blue mark indicates the quick disconnect used to remove the plants from the tent.
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I am sure this system would support two Orbit 8 port manifolds and possibly three manifolds. I ran a 24 plant scrog, in my signature, where I had a 1.2 gallon/min @ 80#, and three manifolds, that did not give me enough volume. I had to change from the Rainbird emitters to a drip system that worked OK, not near as nice as this current setup.
Three Orbit 8 port manifolds.
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Two gallon an hour drippers, split with a "T"
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If I had the new 3 g/m pump I believe I would of had the volume to run the Rainbird emitters.
Hope this helps there buddy, good luck on whatever you decide to try.