I had an oyster growing under an external strainer against the hull on my
boat when I purchased it. Didn't stop, but sure restricted intake flow.

--


Keith
__
Half the people you know are below average.
"Doug Dotson" wrote in message
...or a barnacle may have
attached itself to the discharge thru-hull, preventing the L/S from
discharging.

That would have to be one mother of a barnacle Anyway, all
throughhulls were checked and serviced before we launched.