Dema Mixite® Fertilizer Injector — 11 GPM / 0.3-2.0%

Dema Mixite® Water-Driven Fertilizer Injector — 11 GPM

The Dema Mixite® 571CW is a water-powered proportioning injector that delivers precise, consistent chemical dosing without electricity. Engineered for in-line injection across agricultural, greenhouse, and hydroponic applications, it handles up to 11 GPM at an injection ratio of 0.3-2.0% — maintaining accuracy even when inlet pressure and flow rates fluctuate, a common challenge in gravity-fed and variable-pressure irrigation systems.

Water pressure alone drives the Mixite's internal mechanism, making it inherently safe for use around sensitive electronic equipment and eliminating the risk of electrical failure in wet grow environments. Compatible with a broad range of chemicals including liquid fertilizers, pH adjusters, fungicides, pesticides, algicides, and sanitizers, the Mixite integrates directly into mainline supply plumbing as a durable, low-maintenance dosing solution.

Key Features & Benefits

• No Electricity Required — Water-pressure-driven operation eliminates electrical hazards and power dependency in wet growing environments.
• Consistent Proportioning — Maintains accurate 0.3-2.0% injection rate across variable pressure and flow conditions, delivering uniform nutrient or chemical concentration to every zone.
• 11 GPM Flow Capacity — Suitable for mid-size greenhouse and commercial growing operations with moderate water demand.
• Chemical Versatility — Compatible with fertilizers, fungicides, pesticides, algicides, disinfectants, surfactants, and sanitizers.
• In-Line Installation — Installs directly into mainline supply plumbing; no bypass loop or external power source required.

Who Should Use This

Greenhouse growers, nursery managers, and hydroponic operators who need reliable, hands-free fertigation without electrical infrastructure benefit from the Dema Mixite. It is especially effective in facilities where consistent nutrient delivery to multiple zones is critical to crop quality, and where power outages or electrical interference from high-wattage lighting would compromise electronic dosers.

Compatibility

Installs in-line with standard threaded irrigation supply plumbing. Verify inlet/outlet thread size and system flow rates against Dema specifications before installation. For flow ranges above 11 GPM, Dema offers larger Mixite models.

Frequently Asked Questions

Does the Mixite injector work at low water pressure?

The Mixite requires a minimum working pressure to operate the internal proportioning mechanism. Consult Dema's published minimum pressure specifications to confirm compatibility with your supply line pressure.

Can I use this injector for pH adjustment chemicals?

Yes, pH Up and pH Down solutions are chemically compatible with the Mixite's internal wetted components, but always verify compatibility with Dema for concentrated acids or bases.

Is the injection rate adjustable?

The 571CW operates within a fixed 0.3-2.0% injection range. For different concentration requirements, select the appropriate Dema Mixite model with the matching injection ratio.

Does this unit require a bypass or backflow preventer?

Installation requirements depend on local plumbing codes and system design. A check valve or backflow preventer upstream of the injector is generally recommended to prevent chemical siphoning when water pressure drops.