This is a test of commonsense. Complete the next sentence:

How to clean a cast iron sink
Mix water and dishwashing soap together in a 5-gallon (18. 92 l) bucket.
Mix 1 gallon (3.78 l) of hot water with 2 tablespoons (29.57 ml) of dishwashing soap. Look for a dishwashing liquid that has a grease cutting agent in it and a scent that you like.
Wipe down the sink with a sponge or rag. Dip a sponge or rag into the water and soap solution that you created.