SKU: 12100631355

Photographers' Formulary Classical Gum Printing Kit - Makes 35-40 8x10" Prints

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Description

Photographers' Formulary Classical Gum Printing Kit - Makes 35-40 8x10" PrintsPhotographer's Formulary Gum Bichromate Kits provide you access to one of the most versatile and least complicated of the non silver processes. Photographers Formulary now offers two Gum Printing kits: The Classical containing only black pigment, and The Contemporary, containing red, blue, and yellow pigment. Both kits have liquid Gum Arabic, Ammonium Dichromate, and extensive directions for their use. Gum Printing is unique among all the printing

Photographer's Formulary Gum Bichromate Kits provide you access to one of the most versatile and least complicated of the non-silver processes.

Photographers Formulary now offers two Gum Printing kits:

  • The Classical containing only black pigment, and
  • The Contemporary, containing red, blue, and yellow pigment.

Both kits have liquid Gum Arabic, Ammonium Dichromate, and extensive directions for their use.

Gum Printing is unique among all the printing processes. It is distinguished by unlimited flexibility. The printer has complete control and may produce prints of any color or contrast.

These prints are characterized by a long, open scale that is soft and romantic, but fine detail is not possible.

Gum Printing uses water color pigments rather than metal to form the base. The paper is coated with the gum arabic and a dichromate salt.

When dried paper is contact printed, the exposed areas become water insoluble. A warm water development dissolves the gum from the unexposed areas.

The pigment in the retained areas forms the image. Multiple printing with different colors is a common technique.

The difference between the Classical and the Contemporary kits is the Classical will only do black and white while the Contemporary contains 3 color pigments.

This kit will make up to 35-40 / 8 x 10" prints.

UPC: 675152701008
Packaging Info
Package Weight 1.05 lb
Box Dimensions (LxWxH) 5.6 x 4.8 x 2.8"
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.
Shipping Notes
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Exchange/Return Notes
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SKU: 12100631355

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Verified Purchase
James C Stringham
Birmingham, US
★★★★★ 5
Best dog snack around.
These are my dog’s favorite snacks in the world. They are fresh, healthy, and the dog thinks she’s getting a naughty snack because they’re sweet! 😆
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Reviewed in the United States on May 6, 2026
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Verified Purchase
Dian B.
Battle Creek, US
★★★★★ 5
Good treats
Dogs love these! We have Chihuahuas and have to cut these in half for them as a while one is too large.
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Reviewed in the United States on May 30, 2026
K
Verified Purchase
Kiki
Charlottesville, US
★★★★★ 5
Healthy, Slightly Soft/Chewy Treat!
VERY pleased to have found these! Wanted something to offer Mookie as a "special treat" (a step up from Milkbones, but NOT long-lasting) that was healthy and easily digestible. He wasn't sure what to make of them at first... they're fairly soft and a little chewy, and they just smell like FRESH sweet potatoes -- not any fake meat or seasoning. Once he started chewing, however, he got very excited about the new treat, and now when he hears the bag being handled/opened, he comes running and does his little happy dance! We'll be keeping these on hand because the quality and reasonable price - combined with the LACK of tummy distress and his enjoyment - make this a "go-to" special reward.
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Reviewed in the United States on January 4, 2026
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Verified Purchase
Dawn
Alexandria, US
★★★★★ 5
A Nutritional Treat!
My German Shepherd loves this so much, I sometimes use it as a training treat! Sweet Potato is beneficial to dogs. The only complaint I have is the size consistency from bag to bag.
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Reviewed in the United States on May 8, 2026
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Verified Purchase
Sandy H
Pawtucket, US
★★★★★ 4
They used to be soft and moist but not now
These used to be one of my dogs’ favorite sweet potato treats, but they’ve gotten too hard and thick to cut for their morning snack or cut for their puzzle pieces. Because they’re not only too hard to cut, they’re also too hard for them to eat. Both, my Maltese and Shih Tzu love sweet potato treats, but they leave the dry ones behind. Since something made the Shih Tzu so sick that I had to spend a small fortune at the vet trying to make her better, she avoids all dry treats now and unfortunately that includes a lot of necessary nutrients. I hope these go back to being soft and moist the way they used to be!
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Reviewed in the United States on March 25, 2026

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