I get this too, I vote for the spores (or whatever) being in the tap water and the algae can take hold because the filter removes the Chlorine that normally keeps it down.
I just wash the jug when it looks too icky.
I get this too, I vote for the spores (or whatever) being in the tap water and the algae can take hold because the filter removes the Chlorine that normally keeps it down.
I just wash the jug when it looks too icky.