why not use a good ol' canister filter?
fluval, rena, eheim...all excellent canister filters that come in sizes big enough for chemical media only for your tank.
i see absolutely zero difference between canister filters and 'media reactors'. they appear to be the same in every respect in design and function.
i know that this is the diy section but it still puzzles me why canister filters get a bad rap in the reef hobby when they, again, are the exact same thing as a 'media reactor'.
eheim has been making canister filters for what seems like an eternity. when they appear to have achieved perfection, they improve on their design for efficiency and ease of use...again and again.
well, since this is a diy thread...
here is my external 2g zeovit reactor. it sits on top of my sump (yes, it is a large'ish sump) open air. it is also fluidized. in theory, any media can be used. zeovit rocks, carbon, gfo...heck, even a refugium if one wants it to be so.
design different? yes. why? because it is a zeo reactor and the stones require agitation for the system to work properly.
cost? $20 because i wanted to be fancy with NEW buckets and uniseals. it reality, it can easily cost a fraction of that to nothing if one has scrap parts lying around (and what reefer doesnt have spare parts lying around!?!
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