Contrary to the common mantra of "reduce, reuse, recycle", aluminium is best recycled instead of reused in a household setting. The reason for this is that demand for aluminium currently far outstrips the available quantity in the market, even at theoretically a 100% recycling rate. Thus, repurposing aluminium cans for things such as pen holders actually ...
First, it's pretty easy to remove sugary contaminants from the can right after you drain it. Everything is still wet, and you can just use dilution homeopathy style. If water is an issue in your area,
get all the liquid out as best you can e.g. By shaking in sink
add just an ounce or so of water
cover the hole with your thumb and shake
I am not a ...