Earthtec® QZ

Earthtec® QZ is an EPA-registered molluscicide for controlling invasive zebra, quagga, and golden mussels in critical water systems, including potable water supplies.

Earthtec QZ

Product Overview

Mussel control for water systems that need to keep moving.

Earthtec® QZ is designed for water managers who need to protect intakes, pipelines, canals, irrigation systems, reservoirs, and other critical infrastructure from invasive mussel pressure.

The product provides control of invasive aquatic mollusks, including zebra mussels, quagga mussels, and golden mussels. It is EPA registered and NSF/ANSI Standard 60 certified for potable water supplies, giving utilities and water-resource managers a practical option for drinking-water and conveyance-system protection.

Earthtec® QZ disperses quickly through treated water and can be applied through common water-system approaches such as metering into an intake or treating a targeted waterbody area. Treatment plans should be matched to the site, target organism, water movement, and operating goal with support from a SePRO Water Technical Specialist.

  • EPA-registered molluscicide for critical water systems
  • Controls zebra, quagga, and golden mussels
  • NSF/ANSI Standard 60 certified for potable water supplies
  • Approved for canals, irrigation systems, and water conveyance infrastructure
  • Helps maintain flow rates and reduce clogging
  • No water-use restrictions, including irrigation, livestock watering, and potable source water

Features and Benefits

FeaturesBenefits
NSF CertifiedSupports use in drinking-water source and treatment settings when applied according to current directions
Targets key invasive musselsHelps manage zebra, quagga, and golden mussel pressure in water infrastructure
Fast dispersal in treated waterSupports treatment in pipelines, intakes, reservoirs, canals, and other connected systems
Metering-pump application optionFits existing chemical-feed workflows in many utilities and conveyance systems
No water-use restrictions listedSupports planning around irrigation, livestock watering, and potable source water uses
Specialist treatment designMatches dose, duration, and monitoring to the actual water resource objective

Labels & SDS

Product Comparison

Core MetricEarthtec® QZNatrix
Primary roleMussel control in critical water systems and potable-water settingsInvasive and exotic mollusk treatment programs
Best fitDrinking water systems, intakes, pipelines, and water treatment infrastructureReservoirs, canals, irrigation conveyance, and open water. Higher pH or hard water
Program valueNSF certificationVolume and logistics efficiency

Registered States

Important: Product availability varies by state. Before purchasing, please verify that the product you wish to order is registered for use in your state by checking the “Registered States”. Some states have additional restrictions or prohibitions on certain aquatic herbicides and algaecides. It is a violation of federal law to use any pesticide in a manner inconsistent with its labeling. Customers are responsible for ensuring compliance with all applicable federal, state, and local regulations.

View Registered States
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Molluscicide
Natrix is an EPA registered treatment technology for the control of invasive and exotic mollusks.
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Lakes & Ponds

Need expert help?

Our technical specialists are ready to help you develop a comprehensive management plan. From identifying issues to calibrating application rates, we provide the scientific support you need for success.