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chelating rust remover:


chelating rust remover
(cheaper, faster, and more slowly consumed than evap-o-rust)

1L water
100g citric acid
63g baking soda
(wait for it to stop fizzing)
1 squirt dish soap



gel:
200g citric acid
125g baking soda
add water to 9/10 liter
(let it finish fizzing)
10 drops dish soap
heat to simmer

mix and then gradually add/stir:
5 tablespoons corn starch
75mL cold water

coat and wrap, let sit for 30 min

$2.30/L




last updated 01/08/2026 at 11:00:28 by make_www_index.command version 2025.11.05.A