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Collapsible Water Tank

Onion Water Tank

The onion water tank is a collapsible water tank solution suitable for a variety of water storage applications. Made from durable material and in a wide range of capacities, onion water storage tanks come in both low side and high side styles. High side tanks have a smaller base and low side tanks have a wider base.

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Collapsible Water Tank Features

  • High side and low side styles
  • FDA-approved fabric for potable water
  • Mildew and rot resistant fabric
  • Easy-access fittings

Collapsible Water Tank Benefits

  • Numerous fabric options
  • Customizable by project
  • Easily set up and take down
  • Tank rises with liquid

Onion Water Tank Details

The self-rising onion tank is made with an open top design and self-rising walls that can be deployed in minutes. Onion water tanks have easy access fittings, making set up and take down a breeze. Standard capacities for onion water tank styles range from 250 gallons to 10,000 gallons. However, because self-rising onion tanks are manufactured in the USA, they can be made to specific capacity sizes to accommodate different projects.

The self-rising onion water tank can store numerous types of liquids depending on the material used to construct them. Onion water tanks have been used for both gray and black water storage, but they can also be used to store drinking water when using FDA approved fabric for potable water storage. Other liquids that can be stored in onion tanks include crude oil, jet fuel, firefighting foam, and other hazardous materials.

Onion Water Tank Low Side Technical Specifications

Capacity Range 250 - 10,000 Gallons
Base Diameter Range 5'10" - 26'9"
Filled Height Range 28" - 33"

Onion Water Tank High Side Technical Specifications

Capacity Range 500 - 10,000 Gallons
Base Diameter Range 5' - 19'
Filled Height Range 36" - 80"

Collapsible Water Tank Applications

With its quick deployment, onion water tanks are a water storage solution unmatched by other portable water storage tanks. Relief responders often use self-rising onion tanks to store non-potable and potable water after natural disasters. When needing portable water storage tanks in remote locations, a self-rising onion tank is a great option.

Frequently Asked Questions

Onion Water Tank Questions and Answers

An onion tank is a collapsible water storage solution. It has self-rising sides and an open top. Onion tanks can hold anywhere from 250 to 10,000 gallons of liquid. They were given the name 'onion tank' because their wide base and smaller diameter top resembles that of an onion.

An onion tank comes with an open top and will lie flat on the ground when unfilled. Once water or other liquids are added, the sides will begin to rise on their own. This process is very fast, taking only minutes to deploy. Simply unscrew the access fitting at the bottom to allow the contents to spill out, making the onion tank collapse.

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