you dont but usually in hydroponics shops they have some homemade soil premixed and what they do is they pop them in the oven for several minutes to kill anything that might of been living in the soil roots bug larva ect ect... gotta love that warm hydroponics shop soil
BkSkillz Reviewed by BkSkillz on . Best Soil What is the best soil to be using? What about the best fertilizer? Rating: 5