Mounting powerheads to thick acrylic

garbled

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Does anyone have a good solution for mounting powerheads on 1" to 1 1/4" inch acrylic? I did the math on a 2x2x2 N52 magnet, and it would have about 9-12lbs of force across that distance to an iron plate. I actually have no idea if that's enough holding force for a powerhead? Anyone else have experience with this, or nifty tricks?
 

nautical_nathaniel

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Buy a bigger magnet :) plate style neodymium magnets have a ton of pull force and work great as long as they are not exposed to saltwater (you can also find some that are coated in nylon or rubbery stuff)
 

ca1ore

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Why not just buy power heads that are designed for thicker tank walls?
 
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garbled

garbled

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So exactly which powerheads are actually designed for tank walls as thick as 1 1/8" thick? I see the Maxspect gyre 280's will do 1.25, which admittedly is pretty good (but are sadly not controllable by an apex). Anything else? WAV's only do 1".
 

ca1ore

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Both the vortech MP60 and WAV will be OK on 1 1/8”. Just support the vortech dry side properly.
 

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