Mash and collect enough wort to do a 15 minute boil to pasteurize. Chill to 95-100F (35-38C). Measure pH. Pitch quart of Good Belly Probiotic Juice Drink into kettle. Hold temperature at 95-100F for 24-72 hours. pH should be between 3.2-3.6. Place kettle back on fire, hop and boil as normal. Chill and rack to carboy. Pitch K97 yeast at 70, ferment at 68F (20C) for 3-4 days.
Peaches: Purchase 5 lbs (2.25 kg) of frozen peaches. Thaw, puree, and refreeze. After primary fermentation is complete, rack beer into secondary vessel on top of the peach puree. Check daily to punch down floating fruit to avoid mold. Leave for 7-14 days (to taste).