John&Joey wrote:
Key words "cut grease." You need your blade to slide easily when you pull it. Last thing you want is for it to stick to the rubber seal and either pull it out or just get stuck.
All these VooDoo tank cleaning schemes, might just bite you in the ...
Would you also worry about a roughly equal amount of soap and detergent that gets into the gray water tank from dishwashing, laundry, bathing, etc.?
The rubber seals on the valves are not greased, so far as I am aware; they get sticky or wear out or leak or break mainly due to age.