That's exactly what it was! I had some calcium buildup in the venturi. I poked it out with a safety pin and it is back to normal!
Thanks all!
__________________
Samuel
"If they but knew it, almost all men in their degree, some time or other, cherish very nearly the same feelings towards the ocean with me.... There is magic in it. Let the most absent-minded men be plunged in his deepest reveries--stand that man on his legs, set his feet a-going, and he will infallibly lead you to water, if water there be in all that region."
Herman Melville,
Moby Dick, Ch. 1.
http://religiousspiritualism.wordpress.com 
