Add-It Proportioning Fertilizer Injector (1.5 Quart size)

Designed for home and garden use. Easy to operate for either drip and sub-surface irrigation or with sprinkler systems. Injects fertilizer at a consistent, predetermined ratio of 200:1, 200 parts water to 1 part fertilizer. Minimum pressure of 10 PSI is required. Backflow device must be installed before the injector and a filter is recommended when injecting fertilizers into drip irrigation. Injector does not need a by-pass as running water through the empty unit will not harm it. Pint and quart sizes use hose threads.

Pint and quart sizes use hose threads. 2 GPH minimum flow rate. 75 gallons of water must go through the unit to empty the injector. Larger sizes available.