PF Tek - Variations : Water substitute

1 part Purina Dog Chow (this brand only)
5 parts water
simmer for 1 hour, adding water as necessary

Use this "Dog Food Water" as 10% of the water for your PF cakes (dilute 1 to 10 with water)

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Dextrose:

Use a 10% dextrose solution as water for PF cakes.

Dextrose is available at diabetic supply stores and brewing stores.