I once had a similar experience on Calypso a few years back when I used a tank of 20% biodiesel. I switched back and have not seen it since. My guess is the biodiesel was not properly formulated and some of the non-dinosaur fats separated out.
My father-in-law's classic power boat went through a difficult fuel contamination problem a while back where the filters would clog quickly. The contaminant was so small it could not be seen by eye. Several of his mechanic friends thought it was a critter die off caused by biocides but others were thinking something new he picked up with his last fuel purchase. After several weeks of changing filters daily the problem went away. Martin Calypso 1971 C&C 43 Seattle ________________________________ From: CnC-List [cnc-list-boun...@cnc-list.com] on behalf of Bev Parslow via CnC-List [cnc-list@cnc-list.com] Sent: Saturday, August 15, 2015 5:51 PM To: cnc-list@cnc-list.com Cc: Bev Parslow Subject: Stus-List jelly substance on filters Problems getting the Yanmar 2gmf to go. Found the secondary filter completely clogged with a jellylike substance. Have put in biocides, extra power stuff. Only thing not added is Vatican Holy Water. Why the jelly?
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