Custom Aquariums Granted Patent for the Siphon Stopper Emitter

07 Apr, 2017

The newly patented Siphon Stopper, from Custom Aquariums.

The newly patented Siphon Stopper, from Custom Aquariums.

via Custom Aquariums

Neenah, Wisconsin – Custom Aquariums has been granted a United States Patent for the Siphon Stopper aquarium output nozzle, which minimizes the risk of a back siphon from the aquarium to the filter sump without reliance on failure-prone check valves.

The siphon stopper uses two air inlets that sit just above the water surface to break the return line siphon when a return pump is turned off.

The siphon stopper uses two air inlets that sit just above the water surface to break the return line siphon when a return pump is turned off.

The advantage of the Siphon Stopper design is that no seals are required to break the back siphoning of water from the aquarium in the event of a pump-stopping power outage. Air will automatically enter the Siphon Stopper cap when the flow of water is shut off. No matter what height the output nozzle is positioned under the water, the Siphon Stopper cap sits at the water line and will break the back siphon. Gravity will then empty the water line from the return pump to the output nozzle, so there is no back pressure on the pump when power comes back on, resulting in the filter resuming normal operation without any need for priming.

A look at the inner workings of the patented Siphon Stopper.

A look at the inner workings of the patented Siphon Stopper.

The Siphon Stopper output nozzle provides peace of mind for aquarium hobbyists and maintenance companies who do not have round-the-clock observation of the aquarium system. There is no longer the need to rely upon questionable check valves, o-rings, or gaskets to prevent costly damage due to back siphon floods from an aquarium.

“We rely upon the Custom Aquariums filter system in hundreds of aquariums that we service. The Siphon Stopper has put an end to emergency service calls to restart pumps or canister filters after power goes out.”

–Chris Hale
Vice President
Serenity Aquarium & Aviary Services

Custom Aquariums is a division of Cages by Design, a company based in Neenah, Wisconsin that provides exceptionally engineered animal enclosures from aquariums to zoo displays. Learn more about Cages by Design products at:
Custom Aquariums – http://www.customaquariums.com
Custom Cages – http://www.customscages.com
Serenity Aquarium & Aviary Services – http://www.serenityusa.com

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About the author

Matt Pedersen
Matt Pedersen

Matt Pedersen is a Sr. Editor and Associate Publisher with Reef To Rainforest Media, LLC, including AMAZONAS & CORAL Magazines. Matt has kept aquariums for 34 years, has worked in most facets of the aquarium trade, is an active aquarist and fish breeder (both marine and freshwater), and was recognized as the 2009 MASNA Aquarist of the Year.

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