your hands is inconsequential. Odds are it's just mold that is black, and not the super scary BLACK MOLD. Even then, it takes a lot of exposure and prolonged breathing in the spores to have any effect. Don't eat the stuff you took out, and try not to snort the joint after you removed it.
If you can get some, I like Sikaflex products.
telegram.comQ: Thank you for your column, where I always learn something or find out about a useful product.We have a lovely stone-tiled walk-in shower; it has a pebble stone floor. Our problem is the caulk line where the wall meets the shower floor. Is there any caulk that will not mold or mildew? We run the exhaust fan and use Lysol spray on the shower floor. We still get deteriorated caulk with mold and mildew. The shower is 4 years old, and we have replaced the caulk once so far. Before we do it again,
https://www.telegram.com/article/20150726/ENTERTAINMENTLIFE/150729519[https://www.telegram.com/article/20150726/entertainmentlife/150729519]