Spider mites are annoying little pests that may proliferate quickly and fully take over a grow room in a matter of days if the correct conditions are there. We have a comprehensive selection of ready-to-use sprays and concentrates for controlling spider mites. The best course of action is to avoid an infestation in the first place. The leaves are pierced by spider mites, who then drain the juice. The best course of action is to use a silicon additive as part of your feeding regimen to make your plant more difficult for them to harm and to prevent an invasion in the first place by using a product like neem oil.