Check the listing for details. So Grow Polarized Plant Wash 16oz. Condition: New. Listed at 30.00 USD. Direction for use: So Grow Concentrate may be sprayed on foliage. Please thoroughly coat the tops and bottoms of the leaves. The Polarized Wash is concentrated and water must be added. It is safe for use up until the day of harvest. SO grow Concentrate must be used between 38F and 88F Use only as directed. Shake vigorously prior to dilution and then again after water is added. Dilute at a 1oz so grow to 9oz of water, for heavy infestations. Dilute at a 1oz So Grow to 8 oz water for maintenance and preventative applications. Use warm water for best mixing. pH your solution at 6.4. Check for leaf burn in small scale trials prior to use. For burn susceptible plants rinse with water pH at 6.4, 15 minutes to 1 hour after application. Apply to well hydrated plants only. Store in original container in a dry place inaccessible to children or pets. Do not reuse empty container. One 128oz bottle makes up to 9 gallons of foliar spray at the 1 to 9 ratio. 18 gallons at the 1 to 18 ratio