Moldy wood inside bird box Jan 21, 2019 19:04:19 GMT Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by WildlifePaul on Jan 21, 2019 19:04:19 GMT Oh I see Matt,Its strange how its getting worse isn't it with being inside the box? Maybe putting some holes at bottom for extra air / drainage will help as you have said.Its worth a go isn't it.