Open windows an invitation for pests?

erockaholic

Member
Hello all! ;)

I have a number of seedlings about 1 week old that I am nursing in a converted rubber tub. This morning I woke up and checked inside, only to find two aphids happily fluttering about.

I have since handled the extermination and cleansing and feel secure in that aspect, however one thing still bothers me, how did they get in there? My only guess is that they came in through a small window at the top of the room I keep the box in. Considering that this is an integral part of my ventilation system I have no choice but to leave it open. If this window is inviting pests in, what methods could be used to help avoid further infestations?

Happy growing!
 
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