• Molecule responsible

  • Chemical formula

  • Main origins

  • Typical concentration in product

  • Approximate aroma threshold

  • Possible causes

  • Possible treatments

  • Possible prevention

$24.95/each

If you would like to order 50 or more wheels, please 

Contact Us for special pricing)​

The Defects Wheel® For Wine in English

$24.95/each

If you would like to order 50 or more wheels, please 

Contact Us for special pricing)


For customers in CANADA, please order through 

Picksen International

If you would like to order 50 or more wheels, please 

Contact Us for special pricing)​

Now you can customize your bulk order for any Defects Wheel. Use your custom wheels to promote your business, provide special gifts for your clients, fund raising gifts, and more. For a nominal charge per wheel we will add your logo, message, or name to each wheel using your art work. Two custom levels are available:


- Basic: Gray scale logo/message on one side

- Impress: Full color logo/message on one side

Minimum order quantities and some restrictions apply. Please contact us for additional information, pricing, and ordering.

Defects Wheels

$24.95/each

The Defects Wheel® For Beer in English

(707) 344-0254

The Defects Wheel® For Olive Oil in Spanish

« SPECIAL NOTE FOR INTERNATIONAL ORDERS »

Please contact us before ordering to arrange payment and shipping that meets your needs.

$24.95/each

A series of easy to use, detailed educational guides for aroma and flavor defects found in a variety of products. Each wheel is a complete reference to common defects which may occur, and includes:

These practical and portable guides are popular with winemakers, enologists, brewers, olive oil producers, retailers and students. They also make excellent gifts for savvy beer, wine and olive oil consumers.

$17.50/each

The Defects Wheel® For Wine in Spanish

If you would like to order 50 or more wheels, please 

Contact Us for special pricing)


For customers in CANADA, please order through 

Picksen International

Now Offering - Customized Defects Wheels

If you would like to order 50 or more wheels, please 

Contact Us for special pricing)​

The Defects Wheel® For Olive Oil in English

The Defects Wheel® For Wine in French

The Defects Wheel® for Wine in Portuguese

If you would like to order 50 or more wheels, please 

Contact Us for special pricing)​

$17.50/each

$24.95/each

If you would like to order 50 or more wheels, please 

Contact Us for special pricing)


For customers in CANADA, please order through 

Picksen International