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Store Location

Park Avenue Mercantile
312 Park Avenue
Idaho Falls, ID 83402

Phone: +1 208 529-2731
Fax: 208-529-2731

E-mail: parkavenuemercantile@

Store Hours

Mon - Wed Appointments only Text 208-705-7224 or 208-390-8838 calls are OK just easier to miss.


Thursday - Friday 10 am - 7 pm

Sat 10 am - 4 pm


Mercantile News

We have made a significant change to store hours.  The store is now open Thursday through Saturday for regular hours and Sunday through Wednesday by appointment.  Please text for an appointment.


Brewing Classes are open for registration! All current classes are listed on the front page.

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Adjunct Grains

Park Avenue Mercantile stocks several adjunct grains for the home brewer. Listed below are the basic adjuncts. Please call if you have a specific need, we probably have what you are looking for.

Flaked and rolled grains do not need to be crushed.

English Oat Malt

In stock by the pound. Special order 50 lb bag.

Malted oats, yes, you heard correctly. These aren’t flaked, these are whole oats.
Adds texture and flavor to any dark English style.
Use up to 25% (or more if you are really into oats). 
Avg. Lovibond: 4
 Origin: UK


Flaked Oats

In stock in 1 lb bags.

Gives a slightly nutty flavor to beer. Very sticky when mashing, and often leads to a stuck runoff and hazy beer if used in excess. Popular in stouts and other darker beers. 1 to 3 percent of grist improves head on any beer without risk of haze or stuck mashes. Flaked Oats sold in a one pound bag.


Flaked Wheat

In stock by the pound. Special order 50 lb bags.

For making Witbiers and other specialties. Helps with head retention in all beers. Will leave a slight haze. Can also be used in place of unmalted wheat in many recipes.


Flaked Rice

In stock by the pound.

Flaked Rice lightens body, color and flavor. Provides a light, crisp finish. Used in light American ales and lagers.



Flaked Corn

In stock by the pound. Special order 25 lb bags.

Flaked Corn (Maize) lightens color and body but maintains alcohol content. Use in small quantities to add depth of character to lighter ales and lagers.


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