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In my 4 ft x 4 ft grow space and usimg a 600 Watt blurple LED (true power draw from outlet), i only yielded 5 ounces. I used a DNA Genetics strain called The OG #18, and I grew in coco coir. The plants remained healthy throughout the grow, but the buds never seemed to pack on much weight. The...

Does anyone recognize the cause of these white spots on the leaves of my plant? This is a plant that has not been taken care of and probably has multiple deficiencies. I do not want to know how to fix these deficiencies, I just want to know the cause or specific nutrient that is making these...

Let's pretend I have buds that were dried in 4 days to about 30% humidity (measured in jars with a humidity sensor). After sitting at this low humidity for 2 months in jars, I want to know if these buds can be rehydrated to start the curing process. I can't find any good info on exactly what is...

I am curious about the effects of cold temperatures on my plants. I am growing a 70% indica 30% sativa hybrid, and I would like to hear anecdotal evidence of possible problems if the temperature during flowering stays at 18 C the entire flowering time. If I yielded 10 ounces in my grow space...

I have a thermometer hanging in my tent, and it gives off a slight red flash every couple of minutes. It is not very bright, but I am still wondering if it is enough to affect my plants. Will a light flashing like this once every couple minutes be enough to cause stress to the plants? What type...

Does anyone have any data that shows lab test data of THC potency vs day of flowering? For example I would like to see a plot that shows on day 20 of flower (from 12/12) there is maybe 3% THC by weight, on day 40 there is 10% THC by weight, and on day 55 there is 20% THC by weight. Ideally there...

I am at day 70 of flowering for a 9 week strain, and I think the trichomes are taking longer than expected to ripen due to cold weather for the last 6 weeks. I noticed a couple buds that have hermied and produced stamens ("bananas"). I have only been able to find two bananas, and they are green...

I am growing in coco and am about a week away from harvest. Around week 4 of flower I let salt buildup happen and I had nutrient burn and signs of too much nitrogen. I have reduced the nitrogen in my feedings now, but my sugar leaves are cupping/"canoed" downwards and have other signs of...

I am 60 days into flowering, and the breeder suggests it is a 9 week strain. The trichomes are mostly clear with around 15-20% cloudy and basically no amber ones. Can anyone give an educated guess on when they might finish? I want to know when to start flushing, as I don't want the plants to be...

The title says it all: something fell on my plant and it split the main stem down the middle. No matter how much I squeezed the stem, the gap in the stem would not close all the way. I used zip ties to close it as much as possible. I have about 10 days left of flushing before harvest, and I...

I am growing under a 600W (actual draw) LED about 22 inches from the highest point of my plants. I am less than 2 weeks away from harvest, and I started noticing some strange looking growth at the tips of some buds. There seems to be a thin stem with some bracts poking up from the top of some of...

I am in day 45 of flower, and am growing in coco under an LED. I gave my plant nutrient burn about 5 weeks ago, but since then I have not given more than 400ppm of nutrients. I ph to 5.8 and water every 24-48 hours to runoff. There is only one top cola that has the browning between veins, and I...

My plants are 5 weeks into flower (growing in coco/perlite), and I am noticing leaf twisting on a lot of small fan leaves and sugar leaves. I also noticed some brown spots on a couple large fan leaves, and leaves with other deformities (like missing lobes, missing tips, two lobes growing stuck...

My plants have been grown from seed indoors, and I am now about 10 weeks into the grow. Every once in a while, I notice leaf tips missing, holes in leaves, and twisting or other signs of damage. I have looked at damaged leaves and I have not seen any insect or insect faeces. I have looked under...

I am a first time grower using a coco-perlite mix under a cheap 500W LED, and I am at 29 days after switching to 12/12. During the first 3 weeks of 12/12, the plants more than doubled in height and didn't seem to be putting out many pistils. They seem to be behind in development. I am wondering...

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I am growing in coco under LED light, and I'm starting my 4th week since the 1w/12 flip. Only a few leaves are exhibiting twisted tips with browning on the leaf serrations. There is also yellow tips, so I think I'm seeing nutrient burn. I was only using 500-600 ppm nutrients (450ppm of base...

My plants are 2 weeks into flowering, and they have stretched like crazy. The new growth is lighter green than the old growth, but the highest leaf tips seem to be especially yellow. I'm growing in coco/perlite (%15 perlite) and I'm using 170ppm Cal-mag mixed with 450ppm of GH Trio (so a total...

I switched my plants to 12/12 lighting 5 days ago, and they have stretched and filled in quite a bit in the last few days. Many fan leaves are touching, causing transpiration to get trapped and form wet spots on leaves. Many lower bud sites are shaded by higher fan leaves. Should I remove some...

I am growing in a coco-perlite mix, and I am in my first week of 12/12 lighting. I just found these strange "scale-like" blobs on the stem of a fan leaf. Is this an insect or insect feces that anyone has seen before? I've attached pictures of the blob at 80x magnification. It seems the larger...