What is your question? It sounds like you already decided what you want to do....keep in mind many snakes may not eat two feeders in one sitting. I don't go by weight, I eye all my food items for my snakes, I feel that is what is most appropriate. If you're feeding the snake every week, you don't have to worry about it not getting enough food, it very well may already be taking in more than it would eat in the wild. Remember that raising ball pythons is not a race to see who gets the biggest snake the fastest. Just stay at a steady pace and your snake will be fine.