Our seeds are 99.9 % feminised seeds. We use STS to make our seeds because is the best method to do 99.9 % feminized seeds. We make the seeds in Hydroponics systems because it is better for controlling the differents parameters. - We don´t recommend to our sellers to sell the seeds out of the original pack, this is the reason we sell in 2, 4, and 8 seed packets. Every seed is sold in their original pack. Our strains were tested in differents grow systems, and every one can be used in all grow systems. We make our seeds, we don't sell our seeds to other companies or seedbanks.