Getting prepped for a weekday brewday this week, and I noticed my block filter (pictured below) has started to develop some mold spots (black and pink; blech!) on the outer, white fabric part of the filter, underneath the plastic mesh.
I filter my water off our utility sink in the basement, and in between brewdays, I leave it to sit horizontally, to drain dry. However, seeing the presence of mold has me rethinking my storage practices, since I certainly don't want to ehance the spread of mold in my fermenation area or the rest of the house.
For those of you who use the same type of carbon filter, how do you store it to avoid, or at least delay, the onset of mold?
I have a few spares on hand (bought a 4 pack 2 years ago, so maybe it was time to replace anyway), but if I can get additional life out of a filter by storing it differently, i'd rather not spend more $$ than I have to.