Formicary corrosion is not caused by chemicals in your air. In this video I explain what I believe is the cause and how you can fix it. Links below to my leak playlist, Carrier paper, and papers on flow electrification.

Carrier paper: https://aplusair.ca/wp-content/upload...
Leak playlist:    • Leaking Coils  
Link to letter to our customers written in 2011: https://docs.google.com/document/d/1p...
Letter about flow electrification: https://docs.google.com/document/d/1c...
Flow Electrification papers:
https://www.aidic.it/cet/17/59/172.pdf
https://ijpest.securesite.jp/Contents...
https://papers.ssrn.com/sol3/papers.c...