Suggestions on how to cut Marinepure Block?

RussC

Active member
I have a marinepure block that needs to be trimmed to fit my sump. Any suggestions on how folks have cut this stuff. It's fragile, to a point. But it a course.
 
a coping saw or hacksaw will go through it. I have a hacksaw blade that I use for pukani rock, it will never go through metal again but it still works when I need to shave a rock to make frag mounts.
 
I finally received that stuff. Man, its soft and fragile. I kept it in one piece and just pushed in the edges to make it fit. Worked just fine. I was under the impression it was going to be course like rock.
 
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