Cruising Sailors Forum Archive
mostly muriatic acid 
In Response To: This stuff 
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() Actually On and Off is a mixture of hydrochloric acid (20-30%), Phosphoric acid (5-10%) and Oxalic acid (1-5%). Google the MSDS sheets for On and Off for details.
Messages In This Thread
- removing stains on fiberglass?
- Use FSR or other acid-based stain remover...
- Try 'On and Off' available at any chandlery.
- "Any Chandlery"?
- FSR results
