What if you just take a piece of PVC pipe that would be big enough to go over your prop (dont know the size that one is) then drill a bunch of holes in it to allow water to flow pretty freely...you really dont need to cover the end if it runs all the time.. nothing should swim/crall into a nigh speed thing.. I wouldent think... I may be wrong though.
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Nick
Current Tank Info: 125 Gal Oceanic RR 2 250 Watt Icecap w/ Hamelton 14K
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