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2026 Summer Rust Out - Part Uno

yatg

Well-known member
Joined
Aug 16, 2019
Messages
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Location
Southern Oregon
2026 Summer Rust Out - Part Uno

What works best for rust removal?
lets find out

Test items are 4" pieces of old rusty 1/2" black pipe

item 0 control - no rust removal

item 1 plain water

item 2 vinegar (5%)

item 3 evaporust
the evaporust is slightly used.
ran out of new and not going to buy more just for this.

item 4 c.l.r.

item 5 citric acid
1 pint water, 1/4 cup citric acid powder

item 6 citric acid with baking soda
1 pint water, 1/4 cup citric acid powder
1/8 cup (2 tbs) baking soda

item 7 citric acid with washing soda
1 pint water, 1/4 cup citric acid powder
1/8 cup (2 tbs) washing soda

item 8 citric acid with washing soda (old)
this solution made up a couple weeks ago and used to clean up a bunch of stuff - that's why its black
this is to test the longer term efficacy of the solution


Methodology
Soak each item in a solution for 24 hours
rinse and brass wire brush the item
evaluate results
soak for another 24 hours
rinse and brass wire brush and soap pad the item
evaluate results

Day 1 - Monday

01 materials.JPG

All items were
Stamped with a item number
Rinsed in plain water,

Immersed in 1 pint of the solution (except for control item)
hung from wire to keep them off the bottom

These pictures are from Monday just before noon, when the items were first put into the respective solution.

left to right, item 0 in nothing, item 1 in water, item 2 in vinegar
03 items 0,1,2 in solution.JPG

item 3 in evaporust, item 4 in c.l.r, item 5 in citric acid
04 items 3,4,5 in solution.JPG

item 6 in citric acid + baking soda, item 7 in citric acid + washing soda, item 8 in old citric acid + washing soda
05 items 6,7,8 in solution.JPG

Now we wait ...
 
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