Make your own feminized seeds
Genie STS has been tried and tested for more then 10 years and has proven to be the most effective STS treatment for your Cannabis plants.
Our easy to use Genie STS liquid holds enough magic to change the sex of plenty of plants depending on their size.
225ML of Genie STS can create enough male pollen to produce up to 10.000 feminized seeds.
This special recipe of Silver Thiosulfate liquid has been our go-to solution to successfully feminizing seeds for more then 10 years.
Now available to every home grower who likes to make seeds of their favorite strain.
Create S1 copies of your favorite clone
By using our Genie STS liquid you can make back-up seeds of all your favorite clones and never have to worry bout loosing your prized collection.