Gender change STS spray

Grow your own female cannabisseeds ! Its very easy with this STS spray! When you start the flowering period of 12 hours just keep one plant on 18 hours in a different room for 1 week extra. Then after this week start with these plant on 12 hours too and begin spraying this plant and repeat every week to get male flowers after 3 weeks. The rest of the room is then 4 weeks in the flowering period and ready for pollination. Select a few branches for pollination. After that it takes 4 weeks to grow female seeds in de…