Hi there Tonnie, I'm sorry about your allergy, that have to be hard. Concerning the automatic feeders I can give you Strategies for the two cats. The Super Feeder 3XL Combo means that you can ignore filling the hopper usually mainly because it includes a 1.five Gallon more hopper, producing https://bird-food81356.livebloggs.com/44351369/new-step-by-step-map-for-cat-food-dispenser