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Back to Grow Questions
Clip fan question
Xi_Ve
started grow question 5y ago
Should i turn on the clip fans on low power and let them blow on the girls, or just leave the big fan blowing under the light?
Solved
Setup. Ventilation
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PenguHB
answered grow question 5y ago
If it is week 1 of veg then a small fan on low power, just enough to move the leaves a little bit. Later on - both bad boys on. Big fan on the top, small one on the bottom. Good luck!
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Selected By The Grower
TheReefinery
answered grow question 5y ago
Switch that bad boy on!! The more air circulation the better!!
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Similar Grow Questions
Solved
Growvanced
Throw out one plant?
Is it productive to kill one plant if the rest of the plants are filling out the room just fine and to promote ventilation and light penetration? I have one plant that is way shorter and behind the others due to genetic problems.
Setup. Lighting
Setup. Ventilation
6y ago
1
3
Solved
Horseluisweed
Ventilación y Luz en plantulas
I was inspired by McGyver and set up an improvised cabinet... How important is ventilation at this seedling stage?🌬️ (I left the door slightly open just in case)🤔 I also added another auxiliary light... will it make a difference in growth or is it a waste of light?🔌🔋
Week 1
Setup. Lighting
Setup. Ventilation
Setup. Seedling
5y ago
3
2
Solved
Alsterly
Are (constantly) high daytime temperatures a huge problem in flower?
My day temperature since turing my light up to max during flower are reaching 29-30c | 84.2 - 86f, while the daytime RH is at roughly 40% - 50%. Is the high temperature something to be concerned about? pics 1 and 2 are the exact same data as pics 3 and 4, just set to c/f each.
Week 11
Other. General questions
Plant. Other
Setup. Ventilation
2y ago
1
Solved
JL420
Duda Temperatura 30/31 en cultivo 60x60 led lumatek attis 200w
Hey How's it going? I have a 60x60 cabinet. I use a Lumatek Attis 200w at 80% (160w) and my plants are 30cm from the tips, the temperature at the tips is 30-31 degrees Celsius. It's summer and outside it's 27-29 degrees. Is that really bad? Any solutions without spending money?
Week 6
Setup. Ventilation
4y ago
7
5
Solved
SevenStoned
I can't control temperature. I'm so discouraged.
How are you guys keeping temperatures down!? I have an hlg 600 Rspec at 50% power and the Temps won't go below 81 degrees with the light on. I'm in a 71 degree house. 4x5 tent with a 400+ cfm fan and negative pressure. I also have fans blowing on the plants and the light.
Setup. Ventilation
6y ago
1
2
Solved
Lordcrow
I am facing a temperature problem again....
My tent reaches 84.2F, which is too hot in my opinion. But my humidity is perfect. On the other hand, if I activate the ventilation, the temperature of the tent reaches 76F, which is perfect, but the humidity level drops dramatically to 35%. 1- Keep Humidity or 2-Keep Temp
Week 1
Setup. Ventilation
4y ago
4
5
Solved
Puffdamagikchillum
Do you think a 4 Inch 203 CFM Inline Fan with carbon filter is ok for a 32x32x63 tent and whats best way to set it up to exaust?
Week 2
Setup. Ventilation
7y ago
2
2
Solved
EJBudz
how to ventilate closet grow in apartment
what to do with ventilation. They say autoflowers dont depend so much on a light cycle, so could i leave the closet door open? not too worried about smell in an apartment (1st of 2 floors, duplex style) so im a bit wary of any alterations of the apartment itself. bite the bullet
Setup. Ventilation
4y ago
8
7
Solved
Odin9
Plece help me to chose the best fan for the lover part..asap I most order now
Which fan sculd I go for in the lower part off tent??? I have det biggest 30w from secret jardin on top
Setup. Ventilation
5y ago
3
5
Solved
BullWeedDog
Que tiempo tengo que dejar mi ventilar encendido??
Can I use the fan in my grow only when the light is on?? I mean, can I set it to turn on and off with the light in the same cycle, or should it always be on??
Other. General questions
Setup. Lighting
Setup. Ventilation
5y ago
1
1
Solved
TiRobotProds
Séchage
Hello everyone, how do you go about drying? I'm very interested, thank you for your responses.
Setup. Ventilation
5y ago
1
Solved
topbilling
6" Fan in 3x3 Tent
I bought a 6" fan for a 3x3 Vivosun tent and I'm noticing a good mount of negative pressure even at the lowest setting. Do I need to get a 4" fan? There are some vents on bottom sides of the tent. Can I use those to lessen the pressure? Thanks!
Setup. Ventilation
6y ago
3
Solved
BullWeedDog
Utilizar filtro de carbono sin manga??
Can I use my carbon filter without the sleeve it comes with?? It's just that when I put it on, I lose power in the extractor and the negative pressure isn't generated since the duct from the extractor is bent??
Other. General questions
Other. Other
Setup. Ventilation
4y ago
3
3
Solved
Maskedcucumber
How do you deal with the humidifier in hydro ?
So I bought a dehumidifier as advised but now the room gets hotter (Had to setup an extractor to pull the hot air and now I have no intraction) and during the day EC goes up of 0.1 or even 0.2 (from 1.8 to 1.9 or 2). I suppose there are more nutriments because of dehumidification
Week 9
Setup. Ventilation
5y ago
3
3
Solved
Abacus
Axial in-line fan
I have a tent 60x60x140 cm, and in output a carbon filter (and made refilled, could I filled to much?) inside the tent and outside an axial in-line fan VENTS 100 VKO1k turbo, Maximum capacity - 137 m3/h. A friend say me that probably is not enough.
Setup. Ventilation
4y ago
9
Solved
BostonGirlGrows
Ventilation set up
I just got my first grow tent- a Vivosun 32x32x64 and a Vivosun 4” fan and carbon filter combo. It came with directions for the tent- but nothing on the ventilation system. What’s best as far as set up? Any tips, recommendations, or photos.? Does it need to vent outside?
Setup. Ventilation
7y ago
3
Solved
Screwie
High humidity temporarily
For a few hours yesterday the humidity in my grow space went up to 90%! Should i be on the lookout for any issues? The fan in the tent came loose from the pipe. Thankfully nothing was damaged. Fixed it afterwards.
Setup. Ventilation
5y ago
3
2
Solved
savethehumanseh
How can I reduce the heat in my 5x5 tent (650w light bar/6" ac Infinity and a ton of fans) without AC? Do I have to leave tent open?
5x5 tent is in a kind of lung room (utility room) that stays around 20C/68F. The tent always seems to be at 30C86F with lights on. Ive added and moved fans, opened more intake vents. I have AC, but its -25C/-13F outside. Id like to drop the daytime temp 5ish degrees for flower.
Setup. Lighting
Setup. Ventilation
6y ago
2
6
Solved
LukeLaBam
Carbon Filter smaller than Fan
Is it bad if the Fan makes 200m3 but the Carbon Filter is only for 100m3? Do I need to change it as quickly as possible? (Tent 60x60x160)
Setup. Ventilation
4y ago
2
2
Solved
MiraGrow
I am having some hot days with around 30 degrees inside of the tent.. its summer here and I dont really have a AC in the same room.. I have som fans but no AC. This has also caused the humidity to be down to 35.. Should I worry about the hummidity? for the heat and hummidity?
Week 1
Setup. Ventilation
6y ago
3
5