How To Remove Dark Spots On Granite

Night Spots on New Granite Countertop

Installation Adhesive Stains in New Granite Countertop

QUESTION:

We simply moved into our newly built firm and we had installed the giallo venetiano granite for our kitchen countertops.

The granite countertop has a lot of similar night spots all over that appeared afterwards the installation.

I am pretty sure the counters are not sealed yet. I am hoping I could all the same practise something about it before I seal it. What do you lot recommend?

ANSWER:

Water can cause night spots, but when the water evaporates.... so do the spots.

Adhesives or glue used during the granite countertop installation tin sometimes be a problem.

The wrong adhesive or sometimes an condiment used with the adhesive will produce nighttime grey-blue-green spots that may resolve inside a couple weeks.... simply often can persist and are sometimes permanent.

Granite installers will sometimes add together an accelerant to the glue to aid it dry faster. This accelerant can react with some granites and leach through to the surface causing these "Light-green Bloom stains".

Unfortunately, it is impossible to predict which granite may react. The actual cause is unknown and no significant blueprint has been discovered. In other words, information technology doesn't appear to happen only with certain colors, etc.

A consistent pattern is typically seen with these mucilage stains. About are the same size and shape and evenly spaced over the countertop since the glue is applied evenly and in a similar mode in each spot.

Green bloom glue stains are too often seen forth the seams in the countertop slabs, effectually the sink, or along the edges.

You will probably desire to seal the countertops eventually, but I would Not seal them until you remove the mucilage stains.

FYI... sealing prior to installation would not take prevented this since the glue is leaching through from the underside. Maybe if the underside was sealed only it never is and again, this trouble is impossible to predict.

Fortunately, virtually stains can be removed with a simple process for cleaning granite countertops.

Just follow the detailed instructions in the Removing Granite & Marble Stains e-book which includes info nearly green bloom installation glue stain removal.

Installation adhesive stains tin exist removed, simply they tend to exist difficult. It may have some time and you lot may need to echo the stain-removal process many times.

Of course, your installer is responsible for the stains and removing them, so bring information technology to their attention. Certainly need a re-install if the stains cannot be removed.