Bees Swarming Algae Residue

johnssc1

Active member
May 23, 2012
41
#1
Does anyone else have this issue?

I have been alternating cartridge filters, filtering out dead algae, and after 24 hours, I have a decent amount (>10) of honeybees eagerly cleaning off the grey gunk that the hose missed

Maybe it is fermenting back to sugars?