Use three parts baking soda to one part peroxide.
Toilet bowl cleaner for cleaning grout.
Next i tried lysol toilet bowl cleaner.
Look for a toilet cleaner that contains sodium hydroxide.
These two ingredients help to remove stains and grime on porcelain or tile surfaces as well as grout.
Until i read that using long term use of caustic cleaners could damage not only the grout but potentially the tile too.
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Many toilet cleaners contain sodium hydroxide and sodium hypochlorite.
Make a baking soda and peroxide paste into a bowl if the brown stains are still there.
To use you spray it on wait for one to three minutes then use a brush to loosen and rinse it off.
The acid free formula is safe for ceramic marble and porcelain tiles.
Though they can be toxic in large amounts they do work to effectively clean grout.
That scared me out of relying on my newfound secret weapon.
Use clorox toilet bowl cleaner the gel kind to quickly and easily restore your grout to the original new house state.
It can also be used with a grout steam cleaner for extra cleaning power.
The dispenser tip on the bottle seemed practically made for grout cleaning the process was fast my grout was as white as i d ever gotten it and i thought i d finally found it.
Apply gel let it set for 10 minutes lightly scrub with a brush and wipe it up.
I was amazed and i hope you will be too.
Let it sit for 10 minutes then scrub again until the stains are gone.
Scrub the paste onto the grout with an old toothbrush.
Went to cover a rockets game and after the kids went to bed.