skimmer not producing skimmate
 

i noticed my remora pro slowed down on producing skimmate. gave the unit a clean, nothing. i figured the mag 3 need a clean...this is what i found after i got the pump out

http://i79.photobucket.com/albums/j1...1/100_1618.jpg

snails...they get everywhere :)

hahah thats funny, but dont you have snail gaurds in place or anything???