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Back to Grow Questions
How long should I leave my air pump on?
rosemary420
started grow question 5y ago
The plant is 4 days old.
Solved
Setup. Ventilation
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Chow_13
answered grow question 5y ago
Depends on your setup. What are you running? With my rdwc system I keep the air pump on 24h. The more oxygen in the water the less chance for root rot.
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Selected By The Grower
Chucky324
answered grow question 5y ago
Hello. Its good to saturate your water with oxygen once a day first thing in the morning. I would leave it on for 15 to 30 minutes. Chuck.
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Similar Grow Questions
Solved
xanado18
Best way to cool 5x5 tent
Trying to find a way to cool a 5x5 tent, the ambient temp in the room is a sweltering 100 degrees. Is there some kind of AC unit that hooks directly into an inline duct that I can pump directly into the tent? Looking for an overall solution to temperature control!
Setup. Ventilation
6y ago
1
1
Solved
DawgHaus
New Extractor Fan packed in
Brand new extractor fan had packed in after 3 days use 🤦♂️🏻🤦♂️🏻I’ve set up a fan at the end of the cool tube to blow air over the bulb.. and left the door of the room open and put oscillating fan at the entrance. Any advice? Worried about the bulb getting to hot.. 🤦♂️🏻
Week 1
Setup. Ventilation
6y ago
2
2
Solved
Screwie
Extraction fan running
I have a Ambient Q60 tent... When I cover up the air intake holes during light off hours and want to leave the extraction fan running, the air from the whole tent looks like its being sucked out. There's no room for air to get it. Am I doing something wrong?
Setup. Ventilation
6y ago
3
4
Solved
Hou_Stone
Hello m'y room is 100x100x200 cm If I put a 150m3/uur fan as in the photo is this sufficient as an air inlet? I have an adjustable 400m3/ur extractor with carbon filter in the room
Setup. Ventilation
4y ago
2
2
Solved
DuschkabinenGrow
Smell through filter exhaust
The smell inside is quite strong and is coming through the filtered exhaust. Is this normal, or does it mean I need to replace my filter soon?
Week 13
Setup. Ventilation
2y ago
2
4
Solved
Philski87
Temps to high....i think
Hi, newbie here, I'm really struggling to keep temps below 30°C. Outside temps are not helping all, i have my extractor on full, air circulation fan on full, both flaps open, shed door even open lol and my light is turned down to 250 watts, which probably isn't high enough!
Setup. Ventilation
6y ago
3
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
1y ago
2
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
CreamOfTheCrop
Fan vs Fanless LEDs
How effective are heatsink LEDs? I'm not sure if I should go with fanless (like Mars Hydro SP150) or with a fan (Mars Pro II Epistar 120). I struggle with heat, when the tent is closed it gets to 29-30 degrees with humidifier in full swing (HID lights) and I want to close it soon
Setup. Lighting
Setup. Ventilation
6y ago
3
3
Solved
KCduzit
How can I get my humidity down? (Basement grow tent)
Plants are currently sitting at Rh 55% on my controller on day one of flower. I have a small $40 probreeze (Amazon) dehumidifier In the tent and am using a 4 inch intake (full strength) and 6 inch exhaust fan (1/4 strength). Day Temps around 25 Celsius in basement
Week 8
Setup. Sensors
Setup. Ventilation
6y ago
2
3
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
kaladoum
Ventilation
I just have one plant under a small grow tent. But I haven't set up a ventilation system that looks a bit complicated to me to install. Is it possible to function without if I open the grow tent wildly once or twice a day to change the air ? Or will I be in trouble ?
Setup. Ventilation
5y ago
1
3
Solved
Showmethewaytogrowhome
Dehumidifier
I grow 4 x autos in my 1.2m x 1.2m tent. What size refrigeration dehumidifier do I need if I want to empty the tank every second day? 20l, 10l, 5l?
Setup. Ventilation
6y ago
1
1
Solved
RekNBlazed
Humidity too low?
Is 38%-40% humidity to low for this size seedling? Am i going to have to invest in a humidifier?
Setup. Ventilation
6y ago
4
4
Solved
Snoopydooby_420
Hello, I’ve connected my exhaust fan and its extremely loud to a point where i cant sleep in the same room. Is there a solution which doesn’t inquire me to buy a new one?
Setup. Ventilation
3y ago
6
6
Solved
triforcepizza
When do I need to start using my duct fan for ventilation?
Should I be using my fan now, or wait until the plants get larger?
Week 1
Setup. Ventilation
6y ago
2
2
Solved
Hongo
Please look at the leaves shown, orange and dried parts. I asked a similar question earlier but these look more damaged and I'm wondering if it's worsened due to my setup. Wind damage from fans? Water damage from humidifier? Light or heat damage? Managing VPD is tough. Thanks!
Week 8
Leaves. Color · Mottling
Setup. Strain · Autoflowering
Setup. Ventilation
4y ago
5
4
Solved
Eva16
SOG question,tent
In 10 square meters what is a ideal ventilation and carbon filter, i want to do SOG with 5 600w hps is it possible?
Setup. Lighting
Setup. Ventilation
5y ago
2
2
Solved
kizdog
Controlling environment in closet with no intake fan?
I'm growing inside my closet, and I'm having trouble controlling temp/humidity. I have an AC Infinity exhaust fan and a cheap amazon fan + wet towel blowing air in from the outside. Are there any cost-effective ways for me to control this? It can get a little warm/dry sometimes
Week 2
Other. General questions
Setup. Ventilation
5y ago
2
2
Solved
PortkeyCannabis
Humidity
I’ve been seeing a lot of people have a much lower humidity. I’ve been keeping mine at 75-80 with around the same temps. Is that to high?
Week 4
Setup. Ventilation
5y ago
1
1