Our MH has a 2" gap, I clean the floor with a
Johnny mop taped to a section of old broomstick. I use non-rinse Lysol disinfectant cleaner on the mop. The first step though is to use it to clean the glass shower wall then the wood cabinet wall, last the floor.
Takes longer to mix the Lysol solution than do the cleaning.
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2000 Winnebago Ultimate Freedom USQ40JD, ISC 8.3 Cummins 350, Spartan MM Chassis. USA 1SG, retired;PPA,Good Sam Life member,FMCA.
"We the people are the rightful masters of both the Congress and the Courts - not to overthrow the Constitution but to overthrow men who pervert the Constitution." Abraham Lincoln