My sisters had a water leak in her kitchen ceiling, she asked me to take a look at it. I found out it was coming from the bathroom tub on the floor above the kitchen. The caulking had cracked under the tubs faucet, so I just added some caulk over the crack. Four days later, she calls me again and tells me the kitchen is leaking again. The caulk had cracked open again, this time I removed all the old caulking, cleaned the area real good and re-caulked(bathroom/tub caulk). Another four days or so, it cracked open again. I have re-caulked about seven times and it just keeps cracking again
, it's driving me nutz!! The first three times I used the same bathroom caulking, the fourth time I bought a new tube from a different company, the last few times I tried marine caulking. The tub is solid, not rocking at all, all the tiles and wall grout are securely in place. Suggestions, please.