I found a website that said that peas were a great laxative that will help keep them from getting bloat .... so I got some split peas, the wife ground them in a coffee grinder, and that's what they're eating for now ..... another site suggested epsom salts 20mg/liter ..... I don't know how to transpose that, so I just put about 3 or 4 teaspoons for the 30 gallons .... anyone know how much 20 mg is in english? I can figure out the liters/gallons, but the other part stymies me ...... I never did get europeanized ......