I’ve seen that yellowing with clear caulk too—never as “invisible” as the label promises. White’s usually safer, though I’ve run into issues where it stands out against darker vanities and just looks like a patch job. Sometimes I wonder if it’s better to just re-seat the sink entirely when it’s way off-center, but that’s a whole other headache, especially if you’re dealing with old plumbing or brittle countertops.
One thing I always worry about is mold. Even if you seal every gap, if water’s getting in behind the vanity because of the off-center sink, it can be a hidden mess. Have you ever had to deal with mold or rot from a leak that went unnoticed for too long? I’ve seen cabinets where the bottom just crumbles when you touch it, and then you’re looking at a much bigger repair than just caulking.
Curious if anyone’s tried those colored caulks that supposedly match grout or tile? I’ve never had much luck—they always seem off under bathroom lighting, but maybe there’s a trick I’m missing.
Reseating the sink is a pain, but honestly, if it’s way off-center and you’re already seeing water sneaking behind the vanity, it might be worth biting the bullet. I tried patching with caulk (clear and white) in my first place, and yeah—clear always turned yellow and looked gross after a year or two. White just screamed “DIY fix” against my espresso vanity.
Mold is what finally pushed me to redo it. Pulled the vanity out and found the bottom basically mush. Had to replace the cabinet and some drywall—way more work than just fixing the sink alignment early on. If you’re seeing any signs of moisture or that musty smell, I’d check underneath before it gets worse.
Colored caulks? Tried them once, never again. They looked okay in the tube but under my bathroom lights they were weirdly purple-ish. Maybe there’s a pro trick to matching them, but I haven’t cracked it. At this point, I’d rather just do it right once than keep patching up with caulk that never quite blends in.