Onyx All Natural Spider Mite And Powdery Mildew Killer 4oz- Makes 8 Gallons Kills Spider Mites On Contact!--Dilution Rate Is 1/2 Oz Used Per Gallon Of Water Instantly Washes Off Powdery Mildew! Will Help Maintain A Healthy Garden! Can Use Through Harvest. Great For Most Gardens, Specifically Designed For Horticultural Plants. Safe To Use,Skin Contact Is Ok! Makes 8 Gallons----4 Oz Per Bottle.