Closet grow tent Exhaust

Do i really need to exhaust my grow tent? I am running all blackstar led so heat is minimal. If i were to seal the tent completely and run co2 @1500ppm and use a dehumidifier (eva 1100) inside the tent do i still need to exhaust my tents ?

I have 3 tents in my closet 4X2X4 mother tent 4X2X5 Veg tent and 4X2X7 flowering tent. All in the same closet

That sounds like a big ass closet. What wattage is the LED?

red0021 said:

That sounds like a big ass closet. What wattage is the LED?

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I have the Mother tent Stacked on the VEG tent and flower tent on the opposite side. Closet size is 6X5X12

2X Blackstar VEG 240W
2X Blackstar UV 240W
1X BlackStar UV 180W

If you're pumping CO2 and temps are in control then no, don't vent, keep it sealed. Venting will just throw away your CO2.

damn. thanks for asking this, I was wondering this myself for my next setup. too bad its only 2'x2' tent