In most cases the longer you let the chemical remover sit the softer and more pliable the caulk becomes.
Clean caulk residue off tile.
If you re not happy with the results try repeating the above process.
You can also use silica sand with water and abrasively remove it with a scrub pad.
Softening the residue by prolonged exposure to mineral spirits loosens its bond with the substrate.
The caulk remover works by destroying the bond between the caulk and the tub or tile so that instead of chipping at the caulk with a razor blade you just pull away big chunks of it with a putty knife.
Before chiseling away at that caulk residue soften it as much as possible.
Residue removal removing silicone caulk residue effectively is a two or three part process.
This chemical remover destroys the bond between the old caulk and the tile tub or sink making it very easy to pry out of cracks and crevices.
How to remove caulk residue make it soft.
How to remove silicone caulk residue hunker.
Use a razor blade to scrape off as much of the residue as possible without scratching the surface you are cleaning.
The caulk remover rather than making the sealant magically disappear simply softens it.
Scrub stubborn stains off of the caulk with an old toothbrush.
Swipe over the tile scrubbing as necessary to clean any remaining residue.
Once the caulk.
Rinse the bleach and water solution off the caulk with warm water.
Start with a cutter knife slicing the vertical and horizontal flanks of the caulked joint.
Normally a scotch brite pad water and a little rubbing will remove grout residue and the hazy appearance it causes.
For acrylic or latex based.
Try to do this gently or you might actually scrub the caulk off.
Most removers work on both silicone and acrylic latex caulks.
A small bottle of liquid caulk remover costs 10 to 20 and will remove about 20 linear feet of caulk enough for most bathtubs.
Clean off the residue with soap and water let dry and then recaulk.
If it still leaves a film residue on the surface of the tile you could try to use xylene acetone or goof off with a scrub pad.
Dampen a scouring pad or similar gently abrasive tool with acetone mineral spirits or rubbing alcohol.
Since nothing you tried removed the grout haze i d guess that the slate probably wasn t properly sealed before the grout was applied.
Answer answer silicone residue is normally removed with a razor blade scrapper.