Replace corflute bottom board with one that holds diatomaceous earth/vegetable oil?

[SnowflakeHoney]

@mattjenna I just found it for you:

(Almost) Perfect Ikea tray for screened base

Hi Flow users I have tried a few things the replace the corflute base of the Flow hive with something to fill with oil to catch small hive beetle. Recently, I found the (almost) perfect thing. Its a tray from Ikea, called Poppig. Its $10 in Australia. Food-safe, rigid, should last forever. The lip slides into the grooves in the Flow hive. Its flat enough to be used in the top or bottom slots. I say almost perfect because it was just a touch wide for my hive. I had to shave off about 1mm from …

@Araluen and @Semaphore might be able to contribute…