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Temperature of your nutrient solution might be too high.... Water temperature affects Dissolved Oxygen levels in the nutrient solution, as does barometric pressure (altitude). The warmer the water and higher the altitude, the less oxygen the water can hold under "static" conditions. If you...

Cannabis and Anthocyanins Anthocyanins are found in cannabis, with some strains (cultivars) containing more pigment than others (e.g., Granddaddy Purple, Purple Diesel). Cannabis growing in colder temperatures (e.g., if it regularly drops below 65 degrees Fahrenheit at night) tend to display...

Check out this paper... https://hortphys.uga.edu/research/fertilization-in-greenhouses-an-introduction/testing-the-water/#:~:text=The%20quality%20of%20the%20irrigation,ratio%20have%20to%20be%20evaluated.

Yes! It's happened to me years ago when I was composting with horse manure. Did some back tracking at the time to find out that clopyralids were regularly used in the fields that the horses grazed in. "Organic matter" tends to bind this stuff, protecting it from natural degradation. Run your...

You might want to spend some time reading articles published by horticultural sources, rather than weed boards. pH is one thing, alkalinity is another. The pH of irrigation water has little effect of the pH of the substrate, but alkalinity will drive substrate pH up over time. I encourage you...

Search "irrigation water, alkalinity, and pH". Sodium is way too high for container gardening.

https://www.cannabisbusinesstimes.com/article/alkalinity-control-for-container-grown-cannabis/ "If the irrigation water contains a high concentration of carbonates and bicarbonates, the substrate solution pH can rise to undesirable levels for cannabis production."...

You're good...

"Increasing Inflorescence Dry Weight and Cannabinoid Content in Medical Cannabis Using Controlled Drought Stress"

Thanks. I'll have a look see and hit you up in a few days.

I was going to review that video to see where you might be coming from, but I'm not willing to spend an hour+ of my time to do so. Can you offer a time stamp of where I might begin?

That report doesn't contain the testing parameter I'm looking for (alkalinity). It's meant for human consumption, not agricultural application. I'm kinda busy right now, but would you mind if I send you a PM sometime in the next few days?

Great. Link to your local water report?

Have you had your water tested? Are you using well, or municipal water?

Busy times for me right now. I'll send a PM in a few days. Don't be overly concerned about DO. You need to get those soil temp's up. Even if it takes bringing up your air temp's during the day. I wouldn't worry one iota about soil temp's between 70-75f. And don't feed anything else to your...

Yep. If your air temp's are that low overnight in a tent, chances are your soil temp's are as well. Plants don't adsorb nutrients from the media effectively at that temperature. Soil microbes don't cycle nutrients effectively at those temperatures, either. And it takes a long time for the...

I'm sorry. I don't think I'm going to be able to help you. Best of luck.

This caught my eye. I'd like to know more about your water. I believe you said you don't drink it? Did you use it when you were using synthetics? I personally think you should do a slurry test, especially for media pH. Are you on a well or municipal system? If municipal, see if you can...

Dry measure volume (soil mix) isn't liquid measure volume (container size). https://en.wikipedia.org/wiki/Dry_measure "There are very few standards regarding container sizes and volumes. To make it even more confusing, containers that do list volume typically measure using liquid quarts. Of...

Are you scientifically literate?