Delayed countertop cleanup is a silent killer for porous stone as it lets fluids and food particles seep into tiny pores. Stubborn stains, etching, and bacterial development that affect both appearance and cleanliness can result even from small delays. Acting right away is critical to maintain the stone's beauty and lifetime.   Delayed Countertop Cleanup 1: Porosity and Absorption Because of their natural capacity to absorb fluids, porous stones —…