grow tents

spek9

Well-Known Member
I have one of my flower tents (4x4x6.5') connected to a veg tent (2x4x5').

A 6", 630CFM inline filter/fan pushes air out of the flower tent, and passively sucks the air from the veg tent through its cooltube with 6" ducting. The far side of the veg tent lamp has a short piece of ducting with piece of pantyhose over the open end to catch debris, the other side exits the tent via 6" ducting through a ducting vent, and is left open in the bottom of the flower tent through one of its vent ports.

There is enough draw with the exhaust fan in the flower tent, to cause negative air pressure in the veg tent as well as the flower tent.

The exhaust fan runs 24/0 at its lowest speed setting, and keeps the veg tent from overheating.

I'm unsure however, if one 8" exhaust fan will be able to handle four 4x4' tents.
 

rollyouron

Well-Known Member
I have one of my flower tents (4x4x6.5') connected to a veg tent (2x4x5').

A 6", 630CFM inline filter/fan pushes air out of the flower tent, and passively sucks the air from the veg tent through its cooltube with 6" ducting. The far side of the veg tent lamp has a short piece of ducting with piece of pantyhose over the open end to catch debris, the other side exits the tent via 6" ducting through a ducting vent, and is left open in the bottom of the flower tent through one of its vent ports.

There is enough draw with the exhaust fan in the flower tent, to cause negative air pressure in the veg tent as well as the flower tent.

The exhaust fan runs 24/0 at its lowest speed setting, and keeps the veg tent from overheating.

I'm unsure however, if one 8" exhaust fan will be able to handle four 4x4' tents.
thanks
 

pr3tti

Member
Connecting them in-serial will cause the farthest grow tent from fresh air to grow under less optimal conditions compared to the closer tents.
 

Renfro

Well-Known Member
Connecting them in-serial will cause the farthest grow tent from fresh air to grow under less optimal conditions compared to the closer tents.
Connecting them in parallel is the way to go but will require a pretty good sized fan and some well put together snap seam galvanized duct work.
 

Renfro

Well-Known Member
You could use two upsized fans, wye fittings that reduce to 8" from 10" or 12" (fan size) to connect two tents to a fan in parallel. You would have two exhausts then, of 10 or 12 inch.
 
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