The best preventative insect repellant on the market. Anyone who is growing organically should be pro-active when it comes to insects as treating infestations is very difficult without resorting to systemics.

2 applications of this biological repellant a week will ensure your growroom stays relatively free of pests. 1ml per ltr is all that's required so it's economical even when used frequently. Makes between 50-100ltrs.