Law firm announces investigation of Tunze

by | Aug 26, 2011 | Advanced Aquarist | 0 comments

Disclaimer: Advanced Aquarist does not support or advocate The Lewis Firm PLLC’s investigation.  This news item is published for the sole purpose of reporting information pertinent to aquarists.  The Lewis Firm PLLC is fully responsible for the content of their press release below:

WASHINGTON, Aug 25, 2011 (BUSINESS WIRE) – The Lewis Firm PLLC is conducting an investigation into potential violations of consumer protection and false advertising laws by Tunze Aquarientechnik GMBH, a Penzberg, Germany-based manufacturer of aquarium components, and its North American subsidiary, Tunze USA LLC (collectively, “Tunze”). The firm’s investigation centers on misrepresentations regarding the output flow rates produced by certain propeller-based aquarium circulation pumps manufactured by Tunze and sold throughout the United States.

According to a recent study performed by engineers from Penn State University, Tunze’s advertisements and promotional literature drastically overstate the output flow rates produced by at least three of its Turbelle Stream 2 series aquarium pumps. Specifically, the study found that the stated flow rates of Tunze’s 6105, 6205 and 6305 series pumps are exaggerated by 46%, 80% and 120%, respectively. (See By contrast, Tunze’s competitors were found to have either understated or accurately reported the flow rates of their propeller pumps. (See

The Lewis Firm PLLC is a Washington, DC law firm with extensive experience in the investigation and prosecution of fraud and consumer fraud claims. The firm specializes in the representation of consumers in product defect matters. If you own a Tunze Turbelle Stream 2 model 6105, 6205 or 6305 aquarium pump and wish to obtain additional information about your rights, please contact The Lewis Firm PLLC by email at [email protected]. Please include the model number of your pump, the date of purchase and your state of residence in your correspondence.

Michael P. Lewis
The Lewis Firm PLLC
901 New York Ave., N.W.
Ste. 550
Washington, DC 20001
(202) 630-6257
[email protected]

Attorney Advertising. (C) 2010 The Lewis Firm PLLC. The law firm responsible for this advertisement is The Lewis Firm PLLC. Prior results do not guarantee or predict a similar outcome with respect to any future matter. We are happy to discuss your particular case.

The Lewis Firm PLLC
Michael P. Lewis, 202-630-6257
[email protected]

(via Marine Engineers)

  • Leonard Ho

    I'm a passionate aquarist of over 30 years, a coral reef lover, and the blog editor for Advanced Aquarist. While aquarium gadgets interest me, it's really livestock (especially fish), artistry of aquariums, and "method behind the madness" processes that captivate my attention.


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