10 Best Fertilizer Injector Dispenser Proportioner of 2025

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  Precise Dosing for Garden & Farm Irrigation: Delivers accurate 0.44% (1:2501:25) proportions to keep nutrients consistent across drip systems, greenhouse setups, orchards, and lawn irrigation. Operates at 0.0911 GPM with standard 3/4" NPT connections.
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  Water-Powered Design for Flexible Installation: A fully water-driven injectorperfect for fields, barn lines, detached greenhouses, or backyard systems where power is unavailable. Proportional mixing remains steady even when flow or pressure fluctuates.
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  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.
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  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.
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  Usage Guidelines for Optimal Results: Each injector is water-tested before shipment; moisture on arrival is normal. Use solutions within pH 59, follow the flow-direction arrow, and keep operation between 2.987 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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  [Important Parameters]-Percentage Range: 0.4 to 4% | Ratio Range: 1:250 to 1:25 | Flow: 0.09 to 11 GPM | Pressure: 4.35 to 87 PSI | Connection Size: 3/4" NPT
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  [Working Principle]-Water powered fertilizer injector, no electricity is needed. It uses volumetric proportioning, ensuring that the chemical mixture remains the same regardless of variations in pressure and flow. The water flow rate will be reduced when going through the fertilizer injector.
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  [Accurate & Effective]-Adopt reciprocating dynamic sealing technology, this dosing pump has higher accuracy. Unique cylinder block and piston motion area design ensures more uniform and effective mixing of liquid.
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  [Application]-Animal Health, food safety & sanitation, irrigation, metal processing, nutrient delivery system, printing, vehicle wash, water treatment, dilution solutions or other industries requiring a certain proportion of dilution.
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  [Attention]-It can only mix liquid but not gas. The pH of the solution should be in the range of 5-9. Each dosing pump will be tested with clean water before shipment. If the item you received is a little wet, please be assured that it does is a new product.

Main Highlights

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  [Enhance Your Garden's Growth]----Perfect for any gardening enthusiast or commercial farmer, our water-powered fertilizer injector optimizes nutrient delivery with an adjustable dosing range from 0.4%-4%. This system operates without electricity, promoting vigorous plant growth across your garden or farm.
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  [Easy Fit & Reliable Operation]----With a universal 3/4" NPT connection, this doser seamlessly fits into your irrigation system and supports a flow range of 0.05-13.2 GPM. It operates reliably under pressure levels from 2.9 to 87 PSI, making it ideal for diverse planting environments from greenhouses to vegetable fields.
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  [Consistent Quality in Diverse Conditions]----Say goodbye to uneven growth and nutrient distribution. This dosing pump utilizes reciprocating dynamic sealing technology, ensuring a stable chemical mixture even as water pressure and flow fluctuate, for uniform plant nutrition. The water flow rate will be reduced when going through the fertilizer injector.
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  [Adaptable Across Multiple Uses]----Ideal for a variety of applications, this injector enhances not only lawns and gardens but also supports animal health, food safety, and more. Its flexibility makes it an essential tool for industries ranging from agriculture to water treatment.
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  [Pre-Tested for Immediate Use]----Each injector undergoes rigorous testing with clean water to ensure smooth operation from the moment you unbox it. If it arrives slightly wet, rest assured it's brand new, not used. Optimally designed for liquid applications with a pH range of 5-9, this injector is perfect for both professional and hobbyist applications, meeting diverse needs with reliability.

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  Product Introduce:Percentage Range: 0.4 to 4% ;Ratio Range: 1:250 to 1:25 ;Flow: 0.09 to 11 GPM;Pressure: 2.9 to 87 PSI ;Connection Size: 3/4" NPT;Continuous work: >100T (tons).
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  Unique Design: The fertilizer injector is water powered and has a unique cylinder and piston motion zone design that ensures a more uniform chemical mixture and remains constant in the face of pressure and flow changes.
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  More Convenient:Adjustable Fertilizer Injector is installed directly on the water supply line without electricity and with little water pressure loss. You can change the type and ratio of medication at any time according to your needs.
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  Application Range: agricultural irrigation, equipment maintenance, horticulture and flowers, animal husbandry, environmental protection water treatment, industrial disinfection, car wash foam, food processing, printing and other industries that require fixed ratio dilution.

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  The proportional injection device is installed in the water supply pipeline, and the power can be obtained without the electric driving water pressure.
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  No matter what happens to the e and e, the dosage of the solution is always strictly proportional to the amount of water entering the equipment.
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  This product is suitable for wastewater irrigation, equipment maintenance, horticultural flowers, livestock breeding, and water treatment, in rial , vehicle , food processing, printing in ry or other in ries that need to be diluted.
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  This proportional pump is made of high-quality material, which is , - and wear- .
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  The water pressure loss is small, and the proportion setting is not affected by the water .

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  Product Parameters: Proportional Range:0.2-4.5%(1:500-1:22); Flow Range:0.044-13.21 GPM; Working Water Pressure:2.9-87 PSI; Working Water Temperature:1-50 ; PH Range: 3-11; Connection Size:3/4" NPT; Please note the fertilizer injector can only be used to mix liquids,not gases
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  Water Powered Fertilizer Injector: POM housing,more strong,impact resistance,weather resistant and corrosion resistant;Upgraded inner structure and higher quality materrial seals,more stable for working;Attached specially designed one-way valve(can be installed on the pump inlet) to effectively prevent liquid backflow;Perfect for home growers and pros alike
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  Accurate and Labor-saving: Precise volume-based dispensing;Unaffected by water flow and pressure;Water powered,no electricity or other power needed;Easy to install and set up; No need to change irrigation system or control scheme,easily achieve efficient drip irrigation
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  Liquid Dosing Pump: This dosing pump can be widely used in industries that need to dilute chemical liquid solution,such as agricultural drip irrigation,livestock breeding,industry,nutrient delivery system,car washing,and water treatment(like oxidizer injector for water well),etc; Greatly time saver; Ideal choice to water or fertilize plants(like grass,lawn,flower,fruits,vegetables) and crops in garden,greenhouse or agriculture
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  Easy to Use: Attach to water hose,set the dilution rate,turn on the faucet,the fertilizer injector will automatically and evenly mix the water and concentrate; Value for money,greatly saving your money for purchasing a more expensive one; If the item you received is a little wet,or has some sound during working,please be assured it's normal

Main Highlights

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  [VERSATILE APPLICATIONS] Designed for a wide range of uses, this Chemical Fertilizer Injector Dispenser Proportioner is for agricultural needs, horticultural flowers, and livestock farming. Additionally, it caters to industries such as , water treatment, and food processing. The adaptability of this device makes it an indispensable tool across various sectors requiring fixed dilution.
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  [PRECISE DOSING CONTROL] Featuring an advanced deflation valve and a precise, clear scale, our fertilizer injector ensures adjustable and accurate dosing every time. This allows users to maintain consistent results and optimize chemical usage. With its controllable dosing mechanism, it becomes straightforward to meet specific requirements for each application.
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  [EFFICIENT OPERATION] Powered purely by water pressure, this dispenser operates efficiently with minimal pressure loss, eliminating the need for additional power sources. This aspect not only reduces energy consumption but also simplifies installation and maintenance, making it a cost-effective choice for any operation.
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  [ROBUST CONSTRUCTION] Constructed from PP material, the device offers strong resistance and wear resistance, ensuring longevity even in demanding environments. Its durability complements its functionality, providing users with a reliable and sturdy solution for chemical dispensing tasks.
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  [CONSISTENT MIXING RATIOS] With its precise ratio settings, this proportioner guarantees consistent dilution that remains unaffected by fluctuations in water and pressure. This reliability in mixing ratios supports optimal growth conditions in and accurate chemical balancing in various industrial applications, enhancing overall productivity and effectiveness.

Main Highlights

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  Product Parameters: Proportional Range:1-10%(1:100-1:10);Flow Range:0.044-13.21 GPM;Working Water Pressure:2.9-87 PSI;Working Water Temperature:1-50 ;PH:3-11;Connection Size:3/4" NPT;Please note the fertilizer injector can only be used to mix liquids,not gases
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  Water Powered Fertilizer Injector: POM housing,more strong,impact resistance,weather resistant and corrosion resistant;Upgraded inner structure and higher quality materrial seals,more stable for working;Attached specially designed one-way valve(can be installed on the pump inlet) to effectively prevent liquid backflow;Perfect for home growers and pros alike
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  Liquid Dosing Pump: This dosing pump can be widely used in industries that need to dilute chemical liquid solution,such as agricultural drip irrigation,livestock breeding,industry,nutrient delivery system,car washing,and water treatment(like oxidizer injector for water well),etc; Greatly time saver; Ideal choice to water or fertilize plants(like grass,lawn,flower,fruits,vegetables) and crops in garden,greenhouse or agriculture
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  Liquid Dosing Pump: Can be widely used in industries that need to dilute chemical liquid solution,such as agricultural drip irrigation,livestock breeding,industry,nutrient delivery system,car washing,and water treatment(like oxidizer injector for water well),etc;Greatly time saver;Ideal choice to water or fertilize plants(like grass,lawn,flower,fruits,vegetables) and crops in garden,greenhouse or agriculture
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  Easy to Use: Attach to water hose,set the dilution rate,turn on the faucet,the fertilizer injector will automatically and evenly mix the water and concentrate; Value for money,greatly saving your money for purchasing a more expensive one; If the item you received is a little wet,or has some sound during working,please be assured it's normal

Main Highlights

Main Highlights

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  Scale Range:0.4%-4%, Flow Range:20-2500 L/h, Water Temperature:4-30, Working Water Pressure:0.2-3 kg force, Inlet And Outlet Caliber:32mm/25mm
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  [More Convenient]: It is installed directly on the water supply pipe without electricity, having small water pressure loss. Change the category and proportion of drugs at any time.
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  [Emergency Management]: Can quickly dispense drugs and save a lot of manpower.
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  [Fully Mixing]: Reduce the blockage caused by residual precipitation
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  [Good After Sales Service]: We Eapmic are committed to provide excellent customer service,If you have any questions,please contact us.We will try our best to solve your problem.