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Title: WHY are they ROUND???
Review: I live in the Adirondacks, and have an awful time with ice dams. I spend a lot of time on an icy roof, shoveling and hacking at ice. I thought these would be a great way to avoid that problem.It sounded great - just toss them up! So, I raked my roof, and started tossing tablets.THEY ROLLED RIGHT OFF THE ROOF. Then, they disappeared into the snowbank below.Are you kidding me? These things are not cheap. I ended up taking them up onto the roof to toss them from there -- again, about a third of them rolled right off. The only way to postition these effectively is to PLACE them right near the edge. Much more dangerous than tossing a cupful of salt crystals from a distance.Extremely frustrating. Plus, as others have said, they seem to just sit there and not melt anything. At least, if they were in a cube or some shape that wouldn't roll off - they might have a chance to work.
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