I recently bought a house and 2 of the sinks in 2 bathrooms were cracked. I suspect that the sink and countertop was a custom job because I was not able to find a suitable replacement sink to fit the size. Question is the previous owner had somewhat patched it up but it looks kinda gnarly. Is there anyway to refinish the sink or do a more complete repair job short of replacing the sink? Any advice is much appreciated. Thanks in advance.