Great White is the most advanced mycorrhizal product on the market today. The combination of mycorrhizae, beneficial bacteria, trichoderma, and plant vitamins will give your plants a strong and developed root system. This will enable your plants to break down and absorb nutrients efficiently and effectively. Also, it will increase water uptake and the overall absorption area of the root system, resulting in a healthier plant. Can be used in hydroponics as well as soil. May also be injected in to media. Item #720308, #720310, #720315 and #720320 for sale in all states excluding HI. Item #720321 and #720323 for sale only in HI.