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Old 12-11-2017, 04:06 PM   #3
diver dave
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City: Palm Coast, FL
Vessel Name: Coquina
Vessel Model: Lagoon 380
Join Date: Jan 2017
Posts: 2,570
You could try adding phosphoric acid to your bilge. This converts one type of rust to a prettier type of rust.

2 H3PO4 + Fe2O3 → 2 FePO4 + 3 H2O

disclaimer: i have no idea if something in your bilge will be attacked by this acid...
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