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Citrus Miracle Gro potting soil isn't really ideal, but it works. It has excellent drainage, which is nice. I used it once, and my biggest problem was a nitrogen deficiency from the slow-release fertilizer. Don't fertilize the plant, but get some nitrogen fixing bacteria to help any nitrogen...

I water my plants whenever the top inch or two of the soil becomes dry, which is about every two days during the summer. How much you water may be different depending on the soil or type of planter you have. Nutrients should be provided every few weeks, or whenever symptoms of a deficiency...

I don't really need a lot of flair and colors. My style is more utilitarian. I like how easy it is to maintain a Roor tube, and the designs are often very practical. As much as I find color changing glass cool to look at, I'm not the kind of person to let resin collect long enough to appreciate...

I purchase my glass from Roor.de now. They offer great customization options for well-built devices. Their official Instagram account (@roor.germany) offers even more glass with crazy artwork. The prices are pretty expensive, but, since I have a good income, I'm willing to spend the money for...

I think so. Aquarium lights don't usually have the same kind of visible light as lights specific to growing plants.

The look happy right now, but don't expect this to be be permanent home for them.

I don't use fertilizer for seedlings. I only give them purified/spring water, mycorrhizae inoculant, and Azospirillum brasilense inoculant.

No, I don't believe so. I think that it's just an early bloomer.

You should invest in some coconut coir, peat moss, and/or perlite/pumice. You can add it to your existing soil in any ratio you want without throwing off its nutritional profile.

Okay, well, you shouldn't let soil dry out for weeks after overwatering. Two wrongs don't make it right. The roots are probably small because they shrank from a lack of water. Give them what they need, and don't let them dry out for longer than seven days. Without consideration to soil...

That soil looks pretty dry. How often are you watering?

Perhaps you should be asking yourself where the O2 is going. One thing is that, by adding CO2, you displace other gases from your room. It just leaves with positive air pressure. O2 is also absorbed by the plant and bacteria for biological processes. I recommend removing the CO2, especially...

Salt the Earth while you're at it.

I don't know what book you're referring to, but I disagree that (nitrogen) feeding is essential during end-stage chlorosis. My concern is that feeding will stress the plant by trying to fix a nutrient deficiency that doesn't actually exist in the soil itself. The plant may automatically...

Don't freak out over the yellow leaves. Cannabis, an annual plant, does that naturally toward the end of their lives. You don't have to feed it, and I don't recommend feeding it because it may or may not affect the quality of smoke. If you ever walk into a dispensary that has a window looking...

It looks to me like a copper deficiency caused by a pH problem at the root zone. If I had to guess why this would happen, it may or may not of had something to do with the acidity of your fungicide running down to the soil. You can check the soil pH if you have the ability. To correct this...

Can we see a picture? I'm reluctant to believe that the citric acid is responsible. The concentration of citric acid in Grower's Ally Fungicide is only 0.02% (1.07% in the concentrate version).

I'm sure that everyone, at one time or another, has discovered insects on their cannabis plant. Maybe it was beneficial, maybe it was was a pest, or perhaps it was just a seemingly indifferent creature that found its way to a leaf. Regardless of what their intentions were, I'd like to hear about...

They look fine to me. The soil looks like it has more clay than I would find acceptable, but the plants don't seem to be negatively affected by it. Keep up the good work. At this point, if you ever have problems, caterpillars might come to eat your cannabis when the flowers emerge. I recommend...

People really do it, and some great cultivators still swear by it. It's worth mentioning even though it's not supported by recent research.