Originally Posted by LoudBlunts
Originally Posted by rollitup The Intermediate Grow System: More ComplexMore ExpensiveAverage LightAverage nutritionAverage CO2Average root O2
Originally Posted by email468 i've used GH 3 part through a few grows and will try to help. my experience is limited to hydro but most of the info should translate well to soil. if you are using tap water, you should keep your PPM very low (never over a 1000 PPM at most). The strain can really determine how much nutrients the plant can take. Some strains can handle very high levels of PPM - but just because it can "handle" it doesn't mean it thrives that way. as a general ...