Once the water has separated out there is no way to ever get it as a homogeneous solution again. That is more than condensation too I would say. Unless you never run the tank to near empty.
Only time since 1980 I've had problems is with my power washer and it's a stupid B&S carb design with a secondary fuel pickup point that would accumulate water.
Only time since 1980 I've had problems is with my power washer and it's a stupid B&S carb design with a secondary fuel pickup point that would accumulate water.