You can also use silica sand with water and abrasively remove it with a scrub pad.
Clean caulk residue off tile.
Most removers work on both silicone and acrylic latex caulks.
Clean off the residue with soap and water let dry and then recaulk.
How to remove silicone caulk residue hunker.
Dampen a scouring pad or similar gently abrasive tool with acetone mineral spirits or rubbing alcohol.
Try to do this gently or you might actually scrub the caulk off.
Answer answer silicone residue is normally removed with a razor blade scrapper.
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.
The caulk remover rather than making the sealant magically disappear simply softens it.
For acrylic or latex based.
A small bottle of liquid caulk remover costs 10 to 20 and will remove about 20 linear feet of caulk enough for most bathtubs.
Normally a scotch brite pad water and a little rubbing will remove grout residue and the hazy appearance it causes.
Start with a cutter knife slicing the vertical and horizontal flanks of the caulked joint.
Residue removal removing silicone caulk residue effectively is a two or three part process.
Follow the manufacturer s instructions for use.
In most cases the longer you let the chemical remover sit the softer and more pliable the caulk becomes.
Rinse the bleach and water solution off the caulk with warm water.
If you re not happy with the results try repeating the above process.
Scrub stubborn stains off of the caulk with an old toothbrush.
Before chiseling away at that caulk residue soften it as much as possible.
Once the caulk.
Swipe over the tile scrubbing as necessary to clean any remaining residue.
Use a scrub pad if possible but if the surface is easily scratched used a.
How to remove caulk residue make it soft.
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.
Apply mineral spirits or denatured 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.