I hold small cracks surrounded by my tub? I have various small cracks in my hip bath. Is there...

I have various small cracks in my hip bath. Is there some giving of sealant I can apply to the entire bottom of the tub? Or do i really need to replace the together thing? The tub is plastic i have a sneaking suspicion that.
My gas furnace doesn't blow intensely heat nouns...
Answers:    How long have you have the tub, Sounds as inproper instalation no cement under the tub , or spray foam, If it,s not that hoary go to the guys that insalled it and DEMAND a different tub Other then that you own a cracked tub, Good Luck,
What help is ther to use copper typeK...
You could seal it beside an epoxy paint. It is fiberglass and it will flex, so you should replace it when you can afford to.