vpd

So i grow in an open smallish room. So ive been controlling my room (in flower) vpd to 76f and 55% humidity and its spot on 1.4vpd. But i never knew you had to calculate the leaf temp! So i measured the leaves with my ir laser thermometer and they are between 3 to 4 degrees cooler than the...

Whaddup y’all! First time grower here… I’m experiencing a bit of edge curling, some slight clawing, and leaves are darker green the further down the canopy you go. -2x4 gorilla tent -7gal fabric pot - Foxfarm “ko ko bop” (N 0.69, P 0.40, K 0.40) [ blend of renewable coconut coir and aged...

Hey everyone, Ok, so lately I've been wondering if VPD drives pest/fungal pressure and or has any effect on the drying/curing process. Intuitively, I would assume it has a larger effect on drying and curing than pests and fungus but assumptions are the mother of all F*** ups. I have been...

Hi guys, it's getting hot. Currently i'm worried about my flowering setup, a 4 x 4 tent with nice extraction but i'm not able to get temps lower than 80-83 F during day. i'm planning to move that tent in my bedroom the next run next month. i have 12K BTU or so of Air Conditioning in this 20...

Hi everyone! First off I want to say that this community of like-minded people is enriching my life and de-stressing me. I’m a perfectionist like all of you and I want nothing but the best for my ladies! I’ve had an issue with V shaped leaves my entire grow (not rolling or canoeing). I’m...

Hello everyone I’m new to the forums and new to growing I have been doing some research for almost 2 years now But hard to find good info so here I am ...My question is what types of equipment will I need to control my grow environment as best I can in a 3’x3’ gorilla grow tent being kept in my...

Ran temps too high and it hurt on the terp content, next run will adjust accordingly. updates on next grow soon. music on video got messed up...kicks in a few min late this is the last grow i did in my old room the southcat strain has been lost unfortunately :(

2x 400w hps Pure coco in small nursery pots GH nutes drain to waste (hand water) I built a new flower room recently and decided to give the VPD guidelines a shot to see how my plants fare, their health, amount of water drank etc. I'd imagine that having a high RH% would slow the plants...

Besides growing cannabis, one of my other hobbies is Arduino. This is a cheap and easy to use microcontroller board which can be used to automate all kinds of things. https://www.arduino.cc/ I’m constantly thinking of new things I can do with the Arduino and perhaps my experiments can be a...