Ak auto

Saw post asking about the leaves in the other thread. Where in the tent is your temp/humidity probe hanging, if you don't mind me asking? EDIT: Never mind. I saw it right after posting. You might be runnning temp a little low and probably overwatering a ton. I wouldn't worry at all about trying to measure specific amounts of water by a schedule or anything like that. Let them dry out for awhile. You don't have a mulch layer on your soil, so the tops of those grow bags are a lot drier than the bottoms. I wouldn't be surprised if your roots are struggling for oxygen down there because they've been sitting in soup. I'd also put some oat straw or aged wood bark at the top of the soil as a mulch to keep the moisture levels more consistent throughout. Since you're feeding bottled nutrients, you can simply scrape back the mulch layer from the root line when you water, then put it back when you're done.
 
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Just also noticed the closed air intake flap in your group shot. That looks like a pretty small tent. Do you have air coming in somewhere at the bottom or you've been keeping it closed all the time?
 
Just also noticed the closed air intake flap in your group shot. That looks like a pretty small tent. Do you have air coming in somewhere at the bottom or you've been keeping it closed all the time?
It's a 4×4 tent and yes that's the only flap that I have open at this time although not fully open, the tent is in an outbuilding with no heating, so the idea was to keep as much heat in the tent as I could.
 
It's a 4×4 tent and yes that's the only flap that I have open at this time although not fully open, the tent is in an outbuilding with no heating, so the idea was to keep as much heat in the tent as I could.
It has four flaps and only one half open.
 
It's a 4×4 tent and yes that's the only flap that I have open at this time although not fully open, the tent is in an outbuilding with no heating, so the idea was to keep as much heat in the tent as I could.
You definitely need air exchange in the room no matter what, even if it means you need to warm the space up a little at times. In a tent that big, I'll usually either have a booster fan for intake or a louvered vent on one of the lower duct penetrations.
 
You definitely need air exchange in the room no matter what, even if it means you need to warm the space up a little at times. In a tent that big, I'll usually either have a booster fan for intake or a louvered vent on one of the lower duct penetrations.
I do have a 10" oscillating fan at the top of the tent blowing down on the drivers on the back of the led light, the drivers get very hot.
 
I do have a 10" oscillating fan at the top of the tent blowing down on the drivers on the back of the led light, the drivers get very hot.
I meant your plants need air (CO2), like an open intake at the bottom and an exhaust at the top pulling air through at all times.
 
I meant your plants need air (CO2), like an open intake at the bottom and an exhaust at the top pulling air through at all times.
Ok I see what you mean now, I could rig up a duct bringing fresh air in from outside no problem, all you're info is most appreciated thanks.
 
Ok I see what you mean now, I could rig up a duct bringing fresh air in from outside no problem, all you're info is most appreciated thanks.
You want negative pressure in the room, basically a vacuum. The walls of your tent should suck in some when it's all closed up except for the intake and exhaust.
 
You want negative pressure in the room, basically a vacuum. The walls of your tent should suck in some when it's all closed up except for the intake and exhaust.
When I have the infinity on and the tent is closed, that's exactly what happens to the tent walls.
 
I have a mega 6 inch infinity fan and carbon filter at the top, IL take some pics and you can see thanks.
Oh ok... and it's exhausting out of the tent? At first, I thought you meant you were just recirculating the same air over and over, which is possible but you would need to add CO2.
 
My three northern light will be 2 weeks tomorrow, anyone know how much water should go into these 10liter pots?, should I fill until run off or am I still to early for doing that? Obviously stunted my ak with the watering as you can see, just don't want to over water my other three.
 
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