NEWTRY 1:250 to 1:25 Fertilizer Injector for Drip Irrigation Adjustable Water Powered Dosing Pump 3/4 NPT

- Precise Dosing for Garden & Farm Irrigation: Delivers accurate 0.4?4% (1:250?1:25) proportions to keep nutrients consistent across drip systems, greenhouse setups, orchards, and lawn irrigation. Operates at 0.09?11 GPM with standard 3/4" NPT connections. - Water-Powered Design for Flexible Installation: A fully water-driven injector?perfect for fields, barn lines, detached greenhouses, or backyard systems where power is unavailable. Proportional mixing remains steady even when flow or pressure fluctuates. - Stable Performance With Precision Engineering: The enhanced cylinder-and-piston mechanism provides uniform mixing for liquid fertilizers and soluble treatments. A dependable option for hydroponic setups, nursery operations, livestock watering systems, and general dilution tasks. - Versatile for Everyday Growing Needs: Suitable for greenhouse feeding, raised-bed gardening, and crop nutrient delivery. Designed for growers who need repeatable results across different irrigation layouts. - Usage Guidelines for Optimal Results: Each injector is water-tested before shipment; moisture on arrival is normal. Use solutions within pH 5?9, follow the flow-direction arrow, and keep operation between 2.9?87 PSI. Normal operation produces a rhythmic clicking sound; if unusual noise appears, apply lubricant to the sealing ring. For liquid use only, not for gases.

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Can it be used with an impact sprinkler system?

Does it fit a normal garden hose?

Is this a Venturi?

How to adjust the ratio?

How to use the exhaust valve?

Can it be used with an impact sprinkler system?

Yes, it can.

Does it fit a normal garden hose?

No, they are pipe thread fitting, you need 3/4 pipe thread to hose thread adapter.

Is this a Venturi?

Not a Venturi. It is a mechanical pump. Mixture ratio stays the same through the entire watering.

How to adjust the ratio?

Step 1: Pull out the upper latch; Step 2: Rotate to adjust the ratio; Step 3: Put the latch back in;

How to use the exhaust valve?

After installation, open the water inlet valve slightly, then press the exhaust valve to empty the air. Release theexhaust valve when a continuous flow of water overflows the exhaust valve.