marijuana horticulture book

Ozone Damage

Marijuana Horticulture

by Jorge Cervantes

For best results, keep the ozone generator in another room or isolated from the growing plants. Ozone causes chlorotic spots on leaves. The mottled spots that appear at first to be a Mg deficiency, increase in size and turn dark in the process. Most often, the symptoms are found on foliage near the generator. leaves wither and drop, and overall plant growth slows to a crawl.

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