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Growers need consistent and reliable dosage, even when the volume of water in use is subject to fluctuation and varied pressure levels. However, traditional venturi dosing technologies rely on pressure stability to achieve dosage consistency and fail to fully deliver in these situations.

Hydor’s non-electric proportional dosing pumps from Hydro Systems - including MICRODOS, MINIDOS, SUPERDOS and AQUABLEND - overcome these problems by using a system known as Volumetric Chemical Injection.

The result is that the amount of chemicals injected is proportional to the volume of water that flows through the system, providing excellent dosage accuracy. Other benefits include greater control of chemical costs, lower energy usage, and better crop performance.

Normal water pressure is sufficient to drive the systems’ motor which operates the pistons. The chemical additive is drawn in, mixed with the water and driven down the line to the crop.

The injectors are designed with a mixing chamber that is separated from the motor ensuring that critical components are not in contact with chemicals and thus providing better resistance than most other types of injectors on the market.

Strong chemical resistance in the products are particularly helpful to growers when injecting acids for PH control, disinfecting products for pipe cleaning or other strong treatments for weed, pest or insect control. Dosage can be adjusted manually even during operation.