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Zebra Mussel Emergency Response
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EarthTec QZ Delivers Powerful Invasive Species Treatment and Algae Control

About EarthTec Qz

QZ is NSF-Certified to ANSI Standard 60 for drinking water, making it an excellent approach for controlling the spread and infestation of this devastating species. EarthTecQZ can be applied in raw water intakes, lakes and reservoirs. It is a rapidly-dispersing product that is immediately bioavailable. The zebra mussels do not detect a threat and readily ingest the QZ. Studies have confirmed complete mortality within a 48-96 hr period of time. It has also shown to be effective at concentrations that are safe for most fish and other non-target organisms.

Copper 2+, the cupric ion

Thanks to its unique formulation, the copper in EarthTec and EarthTec QZ is kept entirely in the cupric ion form – the only biologically active form of copper – and it therefore works at a significantly lower copper dose than copper sulfate or chelated copper products. There is virtually no waste or loss to precipitation or settling, and for that reason we believe EarthTec is the most environmentally responsible way to apply copper for pest control.

The cost-effective and proven solution of choice at municipalities across the U.S.
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Latest News

Low doses of EarthTec QZ ionic copper used in effort to eradicate quagga mussels from an entire Pennsylvania lake

This report describes the use of the acid-stabilized ionic copper formulation called EarthTec QZ to treat an entire lake heavily infested with quagga mussels for the purpose of eradicating the invasive species. This is the first recorded instance of a lake-wide eradication effort of quagga mussels and is also the largest and deepest lake known to have been the subject of an effort to completely eradicate either quagga or zebra mussels.

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