General Hydroponics 2877 Giffen Ave , Santa Rosa , 95407 Agriculture XPRT Downloads About Solutions products industries Publications videos Downloads Home Companies General Hydroponics Locations General Hydroponics Show or hide locations in map Headquarters Office locations Locations served Distributors Manufacturer General Hydroponics USA Headquarters 2877 Giffen Ave Santa Rosa California 95407 Phone/Fax Number Contact supplier Contact supplier Loading... Drop file here or browse Great, file uploaded. Change File Drop file here or browse Yes, please send to similar suppliers. SEND Cancel and close