Quote:
Originally Posted by d0ughb0y
if 1/32 is the total expansion, don't we normally leave like 1/16 to 1/8" gap on each side for a total of 4/32" to 8/32" room for expansion? I don't think anyone actually cuts the baffle to fit tightly against the walls of the sump.
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That gap then gets filled with silicone, once cured the silicone will only compress so much at which point the the force is applied the sides of the aquarium. IMHO its not a matter of if it will fail but when will it fail.