Why Precision Dosing Matters

When nutrients are mixed manually, the smallest inconsistencies can create huge variations in plant performance. Automated nutrient dosing eliminates that risk — delivering exact feed ratios and pH balance every time, regardless of system size or operator.

Our dosing systems:

  • Eliminate mixing errors and nutrient waste
  • Maintain consistent EC and pH across all zones
  • Reduce maintenance time and manual labor
  • Improve root zone health through precise nutrient delivery
  • Integrate easily with existing irrigation infrastructure

By ensuring perfect proportional mixing, these systems help growers unlock maximum yield, efficiency, and sustainability — without overusing inputs or compromising quality.

Explore the Key to Life Nutrient Dosing Lineup

Hi-Flo Etatron Ultrasonic Micro-Doser Series

Designed for professional and commercial-scale operations, the Hi-Flo Etatron Micro-Doser Kits bring lab-grade precision to the greenhouse. Each unit features ultrasonic injection technology for quiet, efficient, and accurate delivery — even at high flow rates.

These modular systems are built for high-flow commercial irrigation, supporting flexible expansion, and minimal maintenance. Perfect for operations that require continuous, balanced fertigation over long cycles.

Available Configurations:

Hi-Flo Etatron eOne MF Ultrasonic Micro-Doser Kit 1.5"

Hi-Flo Etatron EONE MF Ultrasonic Micro-Doser Kit (1.5”)

A powerhouse for high-volume systems requiring continuous, high-accuracy mixing.

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from: $ 2,311.27
Hi-Flo Etatron Ultrasonic Micro-Doser Expansion Kit 1.5"

Hi-Flo Etatron Ultrasonic Micro-Doser Expansion Kit (1.5”)

Expand your existing setup seamlessly.

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from: $ 1,356.15
Hi-Flo Etatron Ultrasonic Micro-Doser Retrofit Kit 1.5"

Hi-Flo Etatron Ultrasonic Micro-Doser Retrofit Kit (1.5”)

Upgrade older systems with modern ultrasonic precision.

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from: $ 1,867.27
Hi-Flo Etatron eOne Micro-Doser Kit 1.5"

Hi-Flo EONE Micro-Doser Kit 1.5”

Reliable, easy-to-calibrate dosing ideal for medium-to-large irrigation setups.

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from: $ 2,249.66

Lo-Flo Etatron Micro-Doser Systems (3/4”)

For smaller or more specialized applications, the Lo-Flo Etatron line provides the same intelligent control and proportional dosing at lower flow rates — ideal for boutique growers or propagation setups.

With their smaller form factor, these systems maintain professional-grade performance while conserving space and energy — a perfect solution for growers scaling up efficiently.

Popular Models:

Lo-Flo Etatron Ultrasonic Micro-Doser Expansion Kit 3/4"

Lo-Flo Etatron EONE MF Ultrasonic Micro-Doser Kit 3/4”

 Exceptional accuracy for small-batch or zone-specific irrigation.

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from: $ 1,197.19
Lo-Flo Etatron Ultrasonic Micro-Doser Retrofit Kit 3/4"

Lo-Flo Etatron Retrofit Kit 3/4”

Simple integration into pre-existing systems.

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from: $ 1,103.06
Lo-Flo Etatron Ultrasonic Micro-Doser Expansion Kit 3/4"

Lo-Flo Ultrasonic Micro-Doser Expansion Kit 3/4”

Expandable, compact, and cost-efficient.

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from: $ 1,197.19

Water-Powered Nutrient Delivery Systems

When electricity isn’t an option, water-powered nutrient injectors offer the perfect off-grid or low-energy dosing solution. Designed for reliability, these systems harness the pressure of flowing water to proportionally mix nutrients into irrigation lines — a tried-and-true method trusted by growers worldwide.

Each system is easy to calibrate, self-powered, and engineered to handle a wide range of fertilizer viscosities — making them ideal for hydroponic, aeroponic, and soil-fed environments alike.

Key Systems Include:

Hi-Flo No-Monitor Kit - Water-Powered Nutrient Delivery System 1.5"

Hi-Flo No-Monitor Kit - Water-Powered Nutrient Delivery System 1.5"

High-output, water-powered systems with or without digital readouts.

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from: $ 630.22
Lo-Flo END Kit - Water-Powered Nutrient Delivery System

Lo-Flo Nutrient Delivery Systems (3/4”)

Compact, modular setups for smaller irrigation zones.

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from: $ 398.51
Hi-Flo Starter Kit - Water-Powered Nutrient Delivery System

Hi-Flo Etatron Ultrasonic Micro-Doser Retrofit Kit (1.5”)

Upgrade older systems with modern ultrasonic precision.

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from: $ 642.76
Mega-Flo D400MZ02 - 400 GPM (1:5,000 to 1:500)

Hi-Flo EONE Micro-Doser Kit 1.5”

Industrial-capacity injectors for the largest-scale operations.

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from: $ 10,907.40

Dosatron Water-Powered Injectors

A global leader in proportional dosing, Dosatron injectors are the gold standard for precision fertigation. Using hydraulic power (no electricity required), they inject nutrients directly into your water line based on exact flow ratios — ensuring every plant receives the same consistent mix.

D132MZ30000 - 132 GPM (1:30,000 to 1:3,000)

D132MZ30000 - 132 GPM (1:30,000 to 1:3,000)

Commercial powerhouse designed for industrial fertigation.

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from: $ 4,598.11
D40MZ5 - 40 GPM (1:100 to 1:20)

D132MZ30000 - 132 GPM (1:30,000 to 1:3,000)

Compact, modular setups for smaller irrigation zones.

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from: $ 1,525.56
D14MZ10 - 14 GPM (1:100 to 1:10)

D132MZ30000 - 132 GPM (1:30,000 to 1:3,000)

Upgrade older systems with modern ultrasonic precision.

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from: $ 1,155.18
D25RE09 - 11 GPM (1:1000 to 1:112)

D132MZ30000 - 132 GPM (1:30,000 to 1:3,000)

Industrial-capacity injectors for the largest-scale operations.

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from: $ 954.95
D45RE15 - 20 GPM (1:500 to 1:66)

D132MZ30000 - 132 GPM (1:30,000 to 1:3,000)

Balanced performance for standard irrigation setups.

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from: $ 762.18

Why growers trust Dosatron:

Proportional injection regardless of flow or pressure changes

Simple maintenance and easy calibration

Durable polymer housings resistant to corrosive fertilizers

Compatible with acids, nutrients, and organic blends

Optimize Your System with Flow Restrictors and Accessories

To maintain system balance and protect your dosing equipment, Key to Life Supply also offers a full range of flow restrictors, hammer arrestors, and filtration kits. These ensure smooth operation, consistent pressure, and reduced wear on key components.

Each accessory is designed to integrate seamlessly with Etatron, Dosatron, or Mega-Flo setups — ensuring your dosing system runs with precision from end to end.

Flow Restrictor - 10 GPM

Flow Restrictor - 10 GPM

Flow Restrictor - 10 GPM

Water Hammer Arrestor Kits

Integrate with the Key to Life Ecosystem

Your water is only as effective as the nutrients it carries. Pairing nutrient dosing systems with Key to Life’s organic nutrient line — including Silver Bullet, Green9, and Cal(No)Mag — creates a complete, biologically balanced irrigation environment.

By combining precision dosing with clean, active water and organic nutrients, you’re empowering your system to deliver maximum plant vitality while maintaining long-term system health.

Why Growers Choose Key to Life for Nutrient Dosing

Whether you're building from scratch or upgrading your fertigation infrastructure, our team helps you find the perfect dosing solution tailored to your goals, water quality, and scale.

Commercial-Grade Equipment

Trusted by large-scale growers, built to last.

Scalable Solutions

From single-zone propagation to full-facility fertigation.

Expert Support

Get hands-on consultation for system design and setup.

Sustainable by Design

Save resources and reduce nutrient waste through precision control.

Ready to Automate Your Feeding System?

Take control of your nutrients with precision dosing built to perform. Explore our complete range of Etatron, Dosatron, and Mega-Flo systems to find the ideal fit for your grow.

Grow smarter. Feed cleaner. Optimize your yield.

Request a Custom Dosing System Consultation Today.