I have done some research and searching on this topic but most everything discusses a full observation hive not an observation port in the side of a standard hive.
Has anyone done this before? What materials should be used? Plexiglas is very prone to scratching so I’m thinking glass even though it is more fragile; to allow for better cleaning/scraping if burr comb is attached to it. Plexi would allow for better insulation. So they both have their pluses and minuses.
How much cleaning on these surfaces is generally needed? Do they get propolised or combed over often?