I've not tried it myself, but, have you tried setting this? results = {}, Alternatively, instead of a fluid, how about you instead use an item with a probability of 0? results = { {type="item", name="copper-ore", amount=1, probability = 0}, }, Like I said, I've tried neither of ...

I made a forum account just to say thanks for this, so thanks! Edit: This actually causes a crash with DyTech installed if you mouse over the corpse to gems recipes from an assembler. I fixed it by changing results = {{type = "fluid", name = "water", amount = 0}} to results = {{t...