Composite Research, Inc.

Composite Research, Inc.
Makers of Sundance, Sea Born, and Spyder Boats

How do I remove “mold” from caulk on my boat?

The darkened areas often seen in a boat’s caulking isn’t actually molding, it’s a hydro-carbon build-up. To remedy, apply mineral spirits generously to the needed areas to break down these deposits. Following that, be sure to thoroughly wash the area with soap and water after the use of spirits.

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