Spray Green Cleaner on plants of every age, from clones through harvest. Unlike other products, spider mites do not get immune to Green Cleaner. Kills mites and their eggs. Washes powdery mildew right off the plant. All natural, you can even use Green Cleaner on the day of harvest. Green Cleaner is concentrate that makes 2 oz 1 - 4 gallons, 4 oz 2 - 8 gallons, 8 oz 4 - 16 gallons, 32 oz 16 - 64 gallons and 128 oz 64 - 256 gallons.