In Space Exploration it gets progressively harder to get arcospheres. It plateus quite quickly on each asteroid field.

Most recipes don't consume arcospheres, they give them back. But arcolink storage does consume them.

In my opinion, arcolink storage in the recipe should be toggleable like wooden chests/poles in vanilla (or just disabled). It's fine to include arcospheres though if they are given back after the craft (they aren't included at all right now).

Since that's a valid craftable item, I feel like it still belongs in the Rubber Ducky ingredients. I've gone ahead and implemented a setting that allows you to exclude specific items, though. putting "se-arcosphere-" in the Skip Item Prefixes startup setting should remove them from the recipe.

for those interested the name if the arcolink storage is se-linked-container