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I have had similar problems although I do not think they were to the same extent... I was getting temps flirting with 80 under my 1000W HPS. Instead of an air conditioner, I opted for a light mover... It turned out to be one of the best investments I ever made. Dropped the heat at canopy...

Some plants take on a purplish hue naturally or when subjected to lower temps... I'm in agreement with a lot of the other posters... Don't look for things to worry about, they'll find you in due time! Best of luck!

Of all the strains I've grown, Barney's Farm Pineapple Chunk is by far the most productive. I use Mills and get nearly 1.25 oz per month of veg. (Not counting sugar trim.) It is also has 20+% THC so it produces significant rosin. It is wildly vigorous! Only drawback... This plant takes...

I suffer from neuropathic pain and primarily vaporize and use edibles. I don't believe you need a significant amount of THC topically... I think the containers they sell may have 100mg total. It is my understanding that THC-A (what's found in raw cannabis) is too large to trigger receptors so...

The plants don't seem to be getting worse so you may be going in the right direction... A quarter of a liter seems like a lot to give a small plant in veg... I may give a teaspoon daily to a plant with two sets of leaves. In soil or coco if you consistently overwater the grow medium gets...

How do the plant leaves look? When spider mites chomp on a leaf they leave a mark... BTW, no matter what the bug, at least you can use neem oil in veg!

It does look like you're starting to get a general deficiency... The plant can't sustain the vegetation it already has from it's root system so it robs energy from the vegetation it needs least... The lower leaves. There are a lot of things that can cause a general deficiency including...

This is my favorite decarboxylation guide. http://cannabischris.com/2012/10/decarboxylation-of-cannabis/#.U34W4vnxrWY I usually decarb concentrates and can see the bubbles from decarboxylation so I know when it's about done. The chart is fairly accurate... I decarb at 250 F for about 45...

I also use a paper towel... folded on a saucer. I dampen the paper towel thoroughly and dump the runoff each day. Sometimes a sprouting mat is needed for just a little more heat. This method is also risky because the tap root can never dry out... into the Pro-Mix CC as soon as the tap root...

I would say that adding CO2 was the single best upgrade I've made to my grow room. Instead of getting a controller-based setup I went with a simple solenoid activated CO2 regulator controlled by a $10 timer. I went this route because the CO2 meter was expensive and I wasn't skipping that. The...

I say my plants are in veg until I flip the lights to 12/12. (I think like most posters here.) I'm not sure if I'm reading too much into your question but I've noticed my plants take longer than the breeders say to finish. I suspect it has to do with a number of factors but here is my take on...

I should have been more specific in my first post... I use pro mix CC (coco coir) with myco. (You did a fine job of explaining why this works for me @Xcoregamerskillz !) As for the original poster... I think you will get a lot of great advice from knowledgeable people here! There are many...

There is some nutrition in coco or else it would do the same thing as in hydro with plain water. I have stunted seedlings by giving them nutes too early so now I wait two weeks. Most of the action seems to happen in the root system during these two weeks... Very little foliage growth. When I...

I saw a plant with two sets of leaves, in addition to the cotyledon leaves. If that plant is five weeks old something has damaged the root system. My apologies if you are talking about a different plant. Best of luck!

I use Pro mix CC with Mills nutrients supplemented with Mammoth P in flower and I'm quite happy... The Pro mix with coco dries out daily so if you can't water every day you'll need to try another medium. Best of luck!

It looks like it might be burning... Are you using fertilizer? Seedlings only need water for the first couple of weeks! Best of luck!

Nice plants! I'm sure you'll hear lots of opinions but I let them fatten up a little more. Nearly all the weight it adds from here on out is medicine! Best of luck!

I grow in coco and my seedlings don't need fertilizer for at least the first couple of weeks. Putting fertilizer on a newly rooted seedling can cause stress and actually restrict growth. The cotyledon leaves die off first but usually not that early. Best of luck!

Spraying the leaves with a Potassium Bicarbonate/water solution makes the leaves less hospitable to PM... Also, significant airflow reduces the ability of the spores to attach. It probably also reduces the humidity near the leaves caused by respiration or a rapid drop in temperature. If you...

Nice crop! If you are worried about getting the most yield let the plants completely finish... Use a magnifying glass or eye loupe to examine the trichomes instead of chopping based on flower time. The plants spent all this time flowering just to create the medicine making machine... let the...