Using harsh chemicals can damage the wood on your sill, but you can use cleaning agents you have around your house to clean up window sill water stains safely.
Rinse the window sill with warm soapy water.
Wipe it dry with a clean lint free cloth.
Use water to rinse the area and remove all of the soap.
Mix equal parts of water and rubbing alcohol.
Apply the mixture to the stain using a cotton swab. Scrub until the hard water stains on the window sill are gone.
Kristan Hart is an award-winning journalist in Springfield, Mo., who provides SEO web copy as a freelance writer/editor. She has a decade of experience and holds a bachelor's degree in mass communications with an emphasis in broadcasting.
HomeSteady is the ultimate guide for all your household needs, from cleaning and HVAC to electrical, DIY and maintenance.
Property of TechnologyAdvice. © 2026 TechnologyAdvice. All Rights Reserved
Advertiser Disclosure: Some of the products that appear on this site are from companies from which TechnologyAdvice receives compensation. This compensation may impact how and where products appear on this site including, for example, the order in which they appear. TechnologyAdvice does not include all companies or all types of products available in the marketplace.
