Nope. It gets so dry here most of the summer I just take about 10 gallons out of the ground, and pound it out with a rake and shovel while mixing it into my mix.
The years I mixed my East TN clay in with my potting mix were the best years I ever had growing in pots.
Listen to the guru, check out his plants, and ignore the rest. :)
Most of what people talk about is from research from the cannabis growers. While they are a wealth of knowledge, it does not copy/paste into all types of growing.
This is an 18-watt cfl providing only 1200 lumens. Texas Tepin. This thing churned out hundreds of pods from this one light source in a dark office. 5k lumens per foot is a TON of light and not needed