Purify Food and Drink
Spell 1NecromancySource Core Rulebook pg. 362 2.0Traditions divine,
primalCast 
somatic,
verbalRange touch;
Targets 1 cubic foot of contaminated food or water
You remove toxins and contaminations from food and drink, making them safe to consume. This spell doesn't prevent future contamination, natural decay, or spoilage. One cubic foot of liquid is roughly 8 gallons.