Ngrow20
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I've got the exact tent. Go with the 8" exhaust system. I vent to the outside so I don't need a filter. You'll regret using 6" if you get it, if you filter your temp and RH will suffer.Calculate your cubic feet of your grow area wxlxh
compare that to the cfm rating of your intake fan. I’m sure 6 inch will be sufficient for proper air exchange. You can spend extra cash of you want for a additional intake or you could just passive intake coming in from the bottom of your tent which will work ok. Your not using co2 so exhausting isn’t a big deal… I have 4 6 inch fans in my 4x8 I could use a few more but that should be bare minimum..
Those are great little fans. Light but sturdy. I’m going to grab a couple now.https://www.amazon.ca/dp/B001R1RXUG/ref=cm_sw_r_apan_glt_i_2R7RTPPYNY622HN0S6H0 i hang them on ratchet hangers from the bottom. Works great. Cheap.
I built a lung box directly over my ac. I pull 65 degree air into my tent it’s closed loop system.. exhaust back into the box..my tents actually 5x10 but I think going 8 inch would help I feel my 20 pint dehui is working it’s balls off to keep RH 50 ish with light on.. I just had to replace it after a month. I’m gonna get a 50 pint to cut down on the run time. The 20 pint just seems undersized with my grow method. I have 100 gallons of water free falling back into my rezes out of flood tablesI've got the exact tent. Go with the 8" exhaust system. I vent to the outside so I don't need a filter. You'll regret using 6" if you get it, if you filter your temp and RH will suffer.
This is good information for me. I was already undercutting myself on the dehumidifier in my head. I’ll go bigger or go home.I built a lung box directly over my ac. I pull 65 degree air into my tent it’s closed loop system.. exhaust back into the box..my tents actually 5x10 but I think going 8 inch would help I feel my 20 pint dehui is working it’s balls off to keep RH 50 ish with light on.. I just had to replace it after a month. I’m gonna get a 50 pint to cut down on the run time. The 20 pint just seems undersized with my grow method. I have 100 gallons of water free falling back into my rezes out of flood tables
Yeah do yourself some justice over compensate for sure. My 20 pint is damn near running constantly causing my temps to increase 4-5 degrees easily if I didn’t have ac going into my tents it could cause heat stress…This is good information for me. I was already undercutting myself on the dehumidifier in my head. I’ll go bigger or go home.
I have same size tent. Need a fan underneath and a fan over top of canopy and I like having a few lil 6 inchers above blowing on the lights. I think keeping the lights a lil cooler should help with equipment life. Personally I have a 12 inch oscillating fan on the floor of tent, then above canopy I have a 16 inch oscillating wall mount fan I rigged up to a half inch osb board with loose zip ties on the poles to keep it squared and a ratchet rope for adjustability, then three 6 inch clip fans above lights and angled to hit any dead air spots on sidesView attachment 1173459
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