Molasses Soak

 

For those who want a less hands-on method of rust removal, there is an alternative, using molasses. This method is popular in the restoration of iron automotive and machine parts because of its effectiveness, its labour un-intensiveness, and its ability to convert rust deep inside castings with cavities where other cleaning methods would be difficult.

 

The formula for a molasses soak is a 10% solution of molasses and water, i.e. 1 part molasses to 9 parts water. The molasses used for an animal feed supplement in liquid form is the type you want, so check a local farm supply store for it.  Molasses takes from 2 to 4 weeks for a piece with average surface rust. As with lye for crud removal, submerge the piece completely. During this time, fermentation will naturally occur, so be aware that moving a piece in the soak may cause a sudden release of trapped pockets of gasses causing splashing. You can avoid this by submerging pieces in an upright position.

 

Like lye on crud, molasses works better and faster at a warmer temperature. Since the process relies on a biological reaction, you don’t want it hotter than about 105°. This biological process also results in the formation of mold and a scum on the surface of the solution, as well as a distinct odour. You therefore want to do a molasses soak outside, in a covered-but-not-airtight container.

 

Check the container regularly to gauge the progress, and to make sure it hasn’t sprung a leak. Should the solution leak out and leave the piece to dry out with a coating of the solution on it may result in damage.

 

Once complete, the rust should be gone, but a coating of molasses scum may remain. Use a scrubber pad and hot water to remove it before any necessary final touch-ups and proceeding with your initial seasoning regimen.  A 9:1 ratio (9 parts water to 1 part molasses).  The Molasses you want to use is available from stock-feed retailers as it’s generally used to feed cattle

Go Check out

 CAMP OVEN COOKING INFORMATION SITE

and see there step by step

Cleaning Rusty Cast Iron Camp Ovens with Molasses

Have you ever had to rescue a good cast iron pan? How did you go about it? Share your tips in the comments below.

Links

  1. MOLASSES IN BEEF NUTRITION

 

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