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I've got it set to burp for 15 minutes once a day to begin with. I'll drop it down to once every few days after a week or so. I let it run for 10 hours straight and the battery pack still had a charge. So it should be good for a few months. Easy to add additional jars as needed. Supply list...

Hi all, I'm entering week 7 of flower on my first grow. Critical Kush in a RDWC setup with HLG 135 QB. GH trio plus calmag and silica. Currently running about 800 PPM. No signs of deficiency, but I don't see the buds fattening up as much as I expected. Any tips for dialing in your late...

Hi Growers - I'm hoping you can help me and your fellow growers out. I built an android app that uses the light meter in your smartphone to convert the LUX reading to PPFD. The app will be completely free once it's ready for the app store. The conversion factor used to go from LUX to...

Has anyone studied the benefits of slowly turning the lights on and off? I know I'd be pissed if someone woke me up from a dead sleep by shining a spotlight in my face. Curious if our girls feel the same. It seems like a transition that mimics the rising and setting of the sun would be more...

Just switched to flower on my first grow. I've been targeting 78 degrees, but I've come across some folks aiming for the mid 80s. CO2 in my tent averages about 800ppm, so I could probably go higher than 78. But not sure what the benefit would be. Curious to hear what works for others.

Hey guys and gals, I want to upgrade the lights in my 2x2 tent for my next (2nd) grow. I currently have a 170w Chinese light w/ 2 COBs + 24 LEDs. I can't decide whether to go the easy route with the HGL 100 V2 kit, or spend a little more cash and effort on a QB96 Elite V2 DIY setup. Im...

I'm trying to work out the conversion factor for converting (estimate, of course) from PAR to PPFD on my setup. Running the light below that has two BridgeLux 3000K 80 CRI COBs @ 50w each and 24 6000K LEDs @ 5w each. https://www.amazon.com/gp/product/B079C2YF8F What's the math?

One thing I've observed two months into my first grow is that of all the advice floating around the internet about growing cannabis, few topics are more vague, arbitrary and downright contradictory than that of defoliation. Some say to remove the lower growth via lollipoping. Others advocate...

Hi folks - Just switched to flower on my first grow. I have an wireless IP camera in the grow tent that switches to night vision when the lights go off. It just occurred to me that the small infrared light used for the night vision could cause the plant to herm, not flower, or some other...

Hi all, This is my first grow and I've run into some trouble. 4 or 5 days ago I noticed these brown spots on the leaves starting to appear. I discovered the water pump that transfers airated solution from the 15 gallon res to the 4 gallon res has died. This also caused the water in the small...

Thought I'd share this since it's completely eliminated my need to manually adjust PH. Pictured below is a PH Down drip line controlled by a solenoid switch and a Milwaukee Instruments PH controller. It holds PH in my 20 gallon res at exactly what I set it to. I put some cotton in the brass...

Day 10 since I flipped on the lights. Since it's looking like this actually might work, I figure I might as well document it and get input from this fine community of cannabis cultivars as I go. This is my first real attempt at growing some bud. I dreamed of growing weed in high school (20...

So the actuator that automatically dispenses ph down into my res got stuck open for way too long, taking my ph down to 4.6 for about 12 hours before I noticed. I just corrected it with some ph up, but I'm wondering if my girls are toast.

About to embark on my first ever indoor grow. Auto top up RDWC in a 2x2x4 tent with a 270 watt COB/LED. I was planning to grow one plant with 8 main colas (using the manifolding method). But now I'm wondering if two plants with 4 colas would produce a larger yield in less time. Wondering what...

Being a planner (and a bit OCD) I'm working on a grow schedule that includes all the stuff I'll need for the next 13 or so weeks. I've put in targets for PH, TDS, Temp (air and solution), and RH for each week. I'll be growing Critical Kush in a 10 gallon DWC setup with the flora trio nutes at...

Since ventilation happens as a result of the theromostat/hygrostat telling the exhaust fan to cool/dehumidify the grow area, what happens if the area stays below the set temperature and humidity levels based on environmental factors? I could see this happening when the weather is cooler...

Hi all - My goal is to create a low-maintenance single-plant grow area in the crawl space under my house. This will be my first attempt at growing, and everything I know about it I've learned in the last two weeks. I've got about $800 to invest in the set up. Please take a look at this diagram I...