Hydro-Logic Evolution-RO™ ChloraShield® Growing Environment It can be used throughout

It can be used throughout the vegetative growth stage and in early flower stage to continue to promote root development

lightweight balls

This new 100% water soluble humic acid source will not cause buildup in lines

The addition of molasses

The easy-to-use analog style interface makes programming the controller a simple task

Hydro-Logic Evolution-RO™ ChloraShield® Growing Environment It can be used throughoutHit the "Contact Us" for payment terms and delivery schedule! Hydro Logic PreEvolution Chlorashield reduces iron, sulfur, chlorine, chloramines and heavy metals. The pre filters double the filter life. Great for city or well water! Bacteriostatic qualities do not allow microbes to breed in filter. #728772 is 20 in x 2. 5 in. #741630 is 12 in x 2 in. #741640 is 10 in x 4. 5 in.