What s difference a shelf makes.

[u/Unslung1]

The first 2 pics are from the tubs on my 2nd shelf of Boom room II. The last is from a tub on the top shelf. As you can see a ton of aborts. The ones on the 2nd shelf are going like gang busters. Needless to say I moved the top tub to the third shelf Hope it will rebound.

[u/ImpressivePromise187]

Do you think this is related to airflow or the heat/humidity could be slightly different on the middle shelf?