blue powder under the keys?

General discussion about piano makes, problems with pianos, or just seeking advice.

Moderators: Feg, Gill the Piano, Melodytune

Post Reply
danp
New Member
New Member
Posts: 1
Joined: 15 Dec 2017, 06:54

blue powder under the keys?

Post by danp »

pic attached.. can someone please tell me what is the purpose of the blue powder?
Attachments
WP_20171215_15_39_34_Pro.jpg
Post Reply