Hello Tonnie, I am sorry about your allergy, that needs to be tough. Concerning the automatic feeders I can give you Strategies for your 2 cats. The Tremendous Feeder 3XL Combo allows you to forget about filling the hopper generally mainly because it comes with a 1.five Gallon excess hopper, https://messiahsxadh.wikibuysell.com/1855068/top_latest_five_happy_cat_food_urban_news