Quote:
Originally Posted by VaughnH
Today I melted holes in the blades of the impeller of my little, cheap Catalina powerhead - my hands aren't steady enough to put more than 4-5 holes per blade, and they are kind of randomly spaced. Here is how it looked when I got through:
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That's the ticket. I must say that few holes doesn't make for a huge difference, but you should get a bit of mileage out of it. I'm experimenting with another impeller right now. Call me crazy but i am actually going to use some stainless steel needles!
