Reversed Female Cannabis Plant

Making STS Spray To Produce Feminized Cannabis Seeds

Making STS Spray To Produce Feminized Cannabis Seeds Silver Thiosulfate or STS for short, is an ethylene blocker. Spraying it on a plant will inhibit the ethylene production and cause female plants to produce males flowers. These male flowers however will only produce “female pollen” as they only carry X chromosomes. Most home growers and …

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