Chapin Chapin 4702 HydroFeed 32-Ounce In-Line Auto-Mix Fertilizer Injector System

The Chapin 4702 is great for feeding lawns, flower gardens, fruit and vegetable gardens, and potted plants in the spring and summer when they are outside. Each of the units above have been preset to feed 1 oz. of product for every one gallon of water used. Simplify the way you water your lawn and garden with our fixed rate fertilizer injectors. If you’re looking to adjust the amount of product used per gallon of water, please check out the Chapin line of Variable Rate Injectors below.