The active ingredient in bar keeper s friend is oxalic acid.
Bar keepers friend safe on marble.
The canned product s primary active ingredient is oxalic acid bar keepers friend has various cleaning uses.
Bar keepers friend is a brand of mass produced cleaning agents the original canned scouring powder product has been manufactured and sold since 1882.
One for removing mineral deposits and the other for removing general stains.
Make sure to use a soft sponge to avoid scratching the finish.
Its ph balanced formula won t scratch or mar stone finishes and it s gentle enough to use every day.
Marketed as a cleaning solution for chrome stainless steel porcelain ceramic copper and more this grout cleaner from bar keepers friend gives you the flexibility to clean a variety of your home s surfaces including tile and grout.
Below are two stain removal methods.
Bar keepers friend soft cleanser liquid courtesy bar keepers friend.
Cultured marble is a beautiful material but one that requires special care to keep it in good condition.
As i noted in the question above bar keepers friend is not recommended for use on marble or cultured marble.
I had to try it out.
If you own or collect any of those brightly colored vintage pyrex dishes you can use bar keepers friend to clean them up.
Use bar keepers friend granite stone cleaner polish on stone granite and marble countertops vanities polished stone fireplace surrounds and sealed stone lawn ornaments.
A stain around the drain is likely from mineral deposits from the water that commonly sits in that area.
A few weeks ago commenters on the best way to clean your bathtub were giving rave reviews about a product i d never heard of bar keepers friend.
Spray directly onto granite or stone surface.
In the past we ve boiled the crystals in rhubarb greens which contain oxalic acid but bar keeper s friend looks like it might be easier.
Best multi purpose grout cleaner.
Oxalic acid is very handy for cleaning iron staining off quartz crystals and being a weaker acid than hcl it is less likely to damage the crystals.
It was invented by a chemist in indianapolis indiana where it continues to be manufactured by servaas laboratories.
Wipe clean using a soft clean dry cloth or paper towel wiping in a circular motion.
I researched it a little and found that its active ingredient is oxalic acid which is naturally derived and found in lots of green leafy things.
Marble is a soft stone and acids like bkf actually dissolve the stone.
It will make scuffs and scratches disappear.