Before chiseling away at that caulk residue soften it as much as possible.
Clean caulk residue off tile.
Use a scrub pad if possible but if the surface is easily scratched used a.
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.
Scrub stubborn stains off of the caulk with an old toothbrush.
Dampen a scouring pad or similar gently abrasive tool with acetone mineral spirits or rubbing alcohol.
For acrylic or latex based.
If you re not happy with the results try repeating the above process.
Normally a scotch brite pad water and a little rubbing will remove grout residue and the hazy appearance it causes.
Residue removal removing silicone caulk residue effectively is a two or three part process.
Try to do this gently or you might actually scrub the caulk off.
How to remove caulk residue make it soft.
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.
Answer answer silicone residue is normally removed with a razor blade scrapper.
Apply mineral spirits or denatured alcohol.
Use a razor blade to scrape off as much of the residue as possible without scratching the surface you are cleaning.
Start with a cutter knife slicing the vertical and horizontal flanks of the caulked joint.
In most cases the longer you let the chemical remover sit the softer and more pliable the caulk becomes.
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.
The caulk remover rather than making the sealant magically disappear simply softens it.
Clean off the residue with soap and water let dry and then recaulk.
How to remove silicone caulk residue hunker.
Once the caulk.
Softening the residue by prolonged exposure to mineral spirits loosens its bond with the substrate.
Most removers work on both silicone and acrylic latex caulks.
Since nothing you tried removed the grout haze i d guess that the slate probably wasn t properly sealed before the grout was applied.
Rinse the bleach and water solution off the caulk with warm water.
You can also use silica sand with water and abrasively remove it with a scrub pad.