Definition of a piano tuner: A person employed to come into the home, rearrange the furniture, and annoy the cat. The tuner’s chief purpose is to ascertain the breaking point of the piano’s strings. - Piano Sheet Music Online
When selecting a paint for the bottom use a good brand such Micron Extra, Interlux, or Chiltons Mettalic Marine Bottom Paint. It is good use a reliable brand as this is a long process and you don’t want to have to repeat after a year or so. It’s a smart idea to paint the bottom in a contrasting color to what was previously used to paint the bottom. This will make it clearer when the new paint starts to wear.