Anybody got the little black box attachment that acts as a surface skimmer? If so, what size is it internally? I have one, and it apparently does not fit the MJ1200. Unless mine is a knock-off. So, do I have to buy one of those Rio models powerheads? I heard they stink. My MJs have been pretty good. I was hoping I could drop the MJ1200 right in but once again, another p.i.t.a. to make things difficult, and twice as expensive.
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