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Hi, I keep my flower room at 80-82f (A/C) since my room with 18 plants runs at 60-73% rh mid flower up to harvest. I use this VPD chart and never fails unless human error fuck things up lol happy growing https://ceresgs.com/wp-content/uploads/2018/10/VPD-Bioengineering-Chart.pdf

i let my flower room swing between 55%-75% or 1.60 - .90 VPD, the perfect spot is between 55%-70%. I’m trying to make it easier so other growers could understand how to play with plant transpiration rates. I use a growtronix system to monitor everything. Happy growing

This is how I control vapor pressure deficit (VPD) and dial in my rooms. I adjust Temperature based on my room Relative Humidity (RH%) to maximize plant transpiration. My flower room (aero/nft) relative humidity it’s around 60-70%. my safe zone temperature based on the chart is 80-82f. Here...

Hi this is how I see VPD with out making it more complicated. I adjust temperature based on my RH%. for example: my flower room (aero/nft) fluctuate between 60-70% RH. my safe zone temperature based on the chart is 80-82f. Here are my numbers from the chart: 80.6f - 82.4f (mini split a/c, CO2...

Hi, I was having the same problem in a stinkbud system when I stumbled here in riu on a thread about brown algae. Light hitting any wet areas, brown algae will grow and attack your plant roots with root rot like symptoms. It was like 7 years ago so I can’t find that thread sorry bro. I hope it...

Hi everyone, cleaning my laptop I found two Botanicare PBP spreadsheet that can help a lot of growers using PBP grow/bloom. One is Super stoner feeding schedule and the other one is PBP Elemental PPM spreadsheet. I'm also including a pdf for how to get elemental ppm for other liquid fertilizer...

Hi guys, I use a multiple ceiling bike racks to lower or raise my leds happy growing

Playing around and calibrating my co2 sensor I realize that moment that a 1,666sq house of 3 with a central a/c the co2 average around 1500-2500 ppm and 55-60 rh%. I don’t use tanks or dehumidifier. Intake comes from the house to exhaust outside. I also grow based on my vapor pressure deficit...

Hi Op, in late bloom humidity is a big problem for us pot growers and the way to control it is to use a dehumidifier/sealed/co2 room or intake from inside/ exhaust to outside combo to control it. My room 5.7x5.7 used to be a hybrid of both. Both of my intake and exhaust has a zone damper to...

Here is his High Times article. Happy Growing

Thanks What procedure do you use to dry your herb in a wine cooler and do you keep it at 65f all the time? thanks again I’m just tired of drying in my flower room and loosing 3weeks:( but Im sold with this idea happy growing

I couldn't find it either but I have copies of his original plans. ps. the sprayer are Antelco 15745 aka EZ-Clone Sprayers happy growing

Basically is a wine fridge weed dryer. happy growing

It runs on Linux apparently, sorry about that bro. I just fix the previous post, thanks remember if you try a different salt, try to mix in 1 liter first just in case your mix precipitate. Happy growing

Hydrobuddy in 5 min link You need a windows x64 to run hydrobuddy. Maybe the newest version could work on x32 but it used to not work on x32. The pictures posted are for how to set up hydrobuddy for cal mag calculations...

Basically this is how I dial in my rooms environment and how I understand the chart. Humidity will dictate your room temperature or more like based on your humidity you have to choose your temperature. With my RH% of 60-75%, my ideal temperature based on that chart is between 80-84 maybe 86f...

Grow based of your Vapor Pressure Deficit (VPD) VPD Chart https://cerescann.com/an-introduction-to-vapor-pressure-deficit/ 25 cxb3590 at 1250 watts 5x5 My flower room temperature 80.6f - 82.4f (mini split a/c, CO2 700ppm) My safe zone RH% with air circulation based on that chart is: RH% VPD...

im going to be using a growtronix temp/humidity module for that but i found this link for a diy fridge controller: Copy/paste from that link: Just to share some resources I found: Brew Pi 16, the kit homebrewers are using Brew Pi’s mini fridge build guide 15 CellarWarden 9, the wine cellar...

https://cannatrol.myshopify.com/products/copy-of-cannatrol-cool-cure

hi there, thanks and looking good bro. I was googling at what was the lowest temp that mold could grow? also here is a very interesting link happy growing