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Similar Grow Questions
Solved
madflavoursgarden
Grow Tent/Room setup in the basement - dehumidifier or humidifier needed?I’m planning a small grow setup in my basement and have a room that’s holding a steady 17–18 °C (62–64 °F) with about 55–58% relative humidity. My plan is to vent the exhaust from the grow box straight outside through an existing duct. Will I need a de- or humidifier?
Thanks!Setup. Ventilation
Setup. Other
9d ago
2
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.
1mo ago
1
Solved
RecordSet
2x2 Circulating FanWhat is the best circulating fan for a 2x2 tent available on the european market?
I bought a Secret Jardin MO20 oscillating fan, and I highly regret it because I have read several reviews mentioning that it can catch fire. Is there any other good alternative for circulating air?
Setup. Ventilation
6mo ago
2
2
Solved
RGGROW
Maintaining VPDI've got my photoperiod doing well in a 2x2 tent. I'm trying to regulate my VPD with what I have on hand. Currently I'm running my exhaust fan for 8 minutes every hour to get an average VPD around 1, but I'm concerned about the swings. Am I micromanaging?
Setup. Ventilation
Setup. Other
4mo ago
1
Solved
HerrTom
Brauche ich unbedingt einen (Schwenk-) Lüfter in meiner Growbox?Habt ihr schon mal ohne (Schwenk-) Ventilator in der Growbox angebaut? Wenn ja, welche Erfahrung habt ihr dabei gemacht? Ich möchte nur ungern einen Ventilator einsetzen, weil das vermutlich die Lautstärke der Box deutlich erhöht. Schon mal vielen Dank für eure Erfahrungen.
Setup. Ventilation
8mo ago
9
8
Solved
Italy_Grower
White dots on the pistilsHi everyone, what are these white dots on the pistils, they come out with every cultivation, can anyone help me?
Buds. Not fattening
Setup. Ventilation
Techniques. SoG
1y ago
2
2
Solved
hweixd
How crucial is an exhaust fan and a carbon filter?I cant find anything in my country as a kit, but would buying them piece by piece work?
Example something like in the photo connected to an air duct and then to a carbon filter?
Or if the exhaust fan is not crucial? how can i get rid of the smell in a cheaper way?
Setup. Ventilation
1y ago
1
2
Solved
NonameGrowDude
grow tent / lung room temps???Dialling in my tent and want to compare to others to see if more ventilation = lower temps.
What temperature and humidity difference do you have in your tent and "lung room"?
Do you exhaust your air from the tent to the outside of your lung room?Setup. Ventilation
2y ago
1
Solved
Melacola
HumiditéHumidité varie pas mal et j ai investi humidificateur mais sa ne résout pas le souci ventilateur 2 et deux entrés passive mais je pense trop de plans et je suis dans un endroit sous sol merci bien à vous l humidité n est pas bonne pour la floraison
Week 8
Setup. Ventilation
2y ago
4
5
Solved
DFWmd
Dehumidifier recommendationsAny recommendations about a dehumidifier for the 4x4 grow tent? I think even with vacuuming run-off more frequently, I won't be able to get humidity consistently down below 60%. Amazon has some in the 45-90 USD range...Other. General questions
Setup. Ventilation
2y ago
2
3
Solved
kardel
Guys, Need help about Droopy again, Is Mist from humidifier is a culprit ?My plant are happy but she look droopy "when I turn on humidifier"
1st pic is today, actually she not look like this before i turn on humidifier. 29-30'c and 65%RH
2nd pic is yesterday when I turn off my humidifier. 30-31'c and 45-50%RH
15days old. humidifier beside her pot.
2y ago
1
3
Solved
GreenCosmos
(MarsHydro) Anyone have experience with this combo?I'm thinking about upgrading my ultra cheap duct fan and carbon filter to this beauty.
It has a thermostat controller and is under 250€.
It seems to good to be true for this price.
Is anyone using it and give me a review?
Setup. Ventilation
2y ago
8
6
Solved
TioRandy
Humidity in a small tentHow to preserve optimal humidity in a small tent? My target humidity is 70 as I am germinating. My tent is 60*60*160. The smallest vent is on the picture I have attached (310 m3/h, 180PA). I have a Xiaomi Humidifier running on the maximum 24h, but still no help
Setup. Ventilation
2y ago
12
9
Solved
Prilyfe13
How do I drop my RH down when nothing works? Check Diary. Will defoliation be a good idea? Open tent door and leave it open?My 2x2 is starting to crowd. This is driving the RH to over 70%. Should I defoliate to help with crowding and RH? Or should I just leave it alone? RH in lung room is 48% Exhaust fan, high or low with a dehumidifier, doesn't work. What should I do? Defoliate? Thanks! Check diary.
2y ago
4
5
Solved
GodOfAnger
ventilation for a 4x8 ? basically is that too much negative pressure and if so should I get anther intake ?currently using a 200mm inline exhaust fan that has 914 m3/h(537,9 cfm) max currently using it at its medium setting of 792 m3/h(466,15 cfm) and using a 125 mm inline intake fan with only 330 m3/h (194,23 cfm). Should I get anther intake fan or should I put the exhaust to low 680Other. General questions
Other. Other
Setup. Ventilation
1y ago
1
2