Project for removal of rust on RV steps.  Steps shown are heavily
rusted and have been exposed to weather and road salt for several years.


Liberally Spray Picklex 20R (for heavy rust) on Steps as Shown. 
Leave to "soak" for several minutes before progressing to Step Two).


Vigorously Brush Surface with wire brush and Respray with Picklex20R


Brush Vigorously and Wipe Excess Chemical from Surface.


Portion that has been treated with Picklex 20R is now ready to paint.  No need to use primer on surface ."