Re: Healthy or unhealthy culture?
Get yourself some proper fabric coated lids. only 50 cents each and I've washed mine with hot water and a scrub pad and gotten 12 years out of them, easy.
Those little hole lids suck for many reasons.
Take a magnifying lens / glass. Mites move all the time. You will easily see them moving.
Time flies like an arrow. Fruit flies like a bannana