The thing with an under mount sink with a granite countertop however is that once the granite is cut the sink stays and if you choose so for a very long time.
Undermount bathroom sink detached from granite.
Scrub with a plastic scrubber re apply 2 3 times until all salts are gone.
This video is about how i repair sin.
Just like topmount sinks undermount sinks on granite and quartz need to be sealed to prevent moisture from creating mold and mildew problems in the cabinet.
Undermount sinks should aways have additional bracing from the cabinet itself.
Moldy or cracked caulk.
I do not know the name of these exactly as the granite guys are the ones who do that.
I have seen three different ways of attaching a sink undermounted to the granite.
Improper sealants like silicone or painters caulk yes painters caulk and hasty application of the correct sealants are the most common culprits.
Looking for a granite counter top specialist to add a larger sink.
This vinegar treatment also works to remove deposits from room sized humidifiers with a few applications your granite will look new again.
You can t harm the granite.
But what if you feel the need to replace the undermount sink for one reason or another.
Assuming they are installed properly which means attached with more than just silicone or epoxy.
It isn t stained rather the minerals that are in the water have built up.
Ask your contractor how the sink will be installed.
For the numbers of undermount sinks installed in this country the ones that fall are rare.
First would be to drill into the granite and set a sort of wedgebolt nut into the stone with epoxy.
This undermount china porcelain vanity basin has fallen down from where it was mounted to the vanity granite countertop.
What type of contractor would repair under counter kitchen sinks that have detached from the granite slab underside.
Was used max bond low viscosity epoxy 32 oz.
A couple are probably beyond practical at this point.