Posted 8/23/2018 09:03 (#6945336 - in reply to #6942018) Subject: RE: Slime in my diesel tank.
The Palouse North Idaho
That stuff is not "algae"( algae is a plant that needs sun light, a rare commodity in a fuel tank), it's cause by bacteria that live in the fuel /water interface. Drain off the water and keep the tank full to reduce water condensation and treat with fuel additive that has a biocide in it.