Bio-Clean Hard Water Stain Remover
We get amazing response to this customer-favorite product!
Use what the professionals use and get the powerful industrial strength that is safe for you and all your surfaces!
Bio-Clean Hard Water Stain Remover removes water and mineral stains, tree sap, paint over-spray, soap scum, and mildew from glass.
Easy to use! Simply apply paste onto the surface or onto a cloth or sponge. Press firmly, loosening stain with a rubbing massaging action. Then rinse with water.
Bio-Clean is safe to use and safe to use around plants and animals. GLOVES ARE NOT NEEDED.
Bio-Clean also seals nearly any surface to prevent additional water stains. It works great on glass, auto windshields, paint, tile, porcelain, metal, and more.
WINTER WARNING: Detroit Sponge and our carriers (UPS or FedEx) are NOT responsible for liquids freezing in transit. Please keep this in mind when ordering liquids during the winter months, particularly in January.
Ratings & Reviews
Recommended product A+++++
Hey... not only works on glass, is excellent restoring ceramics, stainless steel, marble and any surface you may have with stains or spots. Recommended product A+++++
best and safe to use
By far the best and safe to use hard water cleaner out
best water spot remover
best water spot remover and hard water stain remover i've ever used!!
little goes a long way
wndwgrl-this is by far the best water spot remover on the market, a little goes a long way
have used for years
Great product, have used it for many years, cleaning years of soap scum from rental properties
worked with little effort
used this product to remove hardwater stains from a old office building as well as the metal frames.the product worked wonderful and with little effort.
We have the worst calcium in our water here and this is the only product that will eat away at that beefy stuff! Highly Recommended
Nothing comes close!!
Nothing comes close!!
looked like a brand new window
This stuff really works!! I showed my friends how it took off the water spots off the car windows and they were amazed, and said it looked like a brand new window.