Buy a caulking gun to caulk a bath tub, shower or counter top. Learn how to buy a caulking gun at the hardware store to caulk the bath tub or showerusing the home remodeling tips from the owner of a construction company in this free video. Expert: Ryan Parker Contact: www.ParkerHomeRenovations.com Bio: Ryan Parker is the owner of Parker Home Renovations in New Braunfels, TX. Filmmaker: MAKE | MEDIA