canister filter on reef

i was gonna do one big canister straight line back to tank and second canister to UV and chiller ... no skimmer .... tank viewable form three sides, fourth side next to bookshelf and cant move so dont have enough room for an overflow box ... can drill tank on bottom either ... so doing it old school
 
I did it with and 80 gallon for a couple years along time ago. I had two canister filters, which I hated cause the maintainance is a pain. I cant lie, my tank did pretty well. If I were to attempt it, I would keep my load on the tank light, take it easy on feedings. My answer is yes, it can be done, but IMO its not ideal and you will probably regret it in the end. I highly recomend rethinking the "no skimmer" though.
 
If you are wanting to keep coral I'd not go with a canister. Too often a nitrate factory and I'd want a skimmer over the canister as the maintenance can be a pain. I used to use a Fluval 404 on freshwater but once I crossed over to the dark side I found it to be not very beneficial.
 
You can do a canister filter with corals but be expecting ALOT of work. You constantly have to clean the filters out or you get nitrate build-up. My brother-in-law did this for a while and often had to clean the filters, at least, once per week, sometimes more. He finally decided it was too much of a pain and put a sump system in his basement and got rid of the canister filter.
 
I still use canister filters on my tank. If you are using them for the right reason and keeping up on maintenence they are great. Sponge filters get full easily, and if you clean them in salt water you wont lose flow or the bacteria built up in them. I still use them to run carbon and the like. Fill the media trays w/ live rock and they are good to go as well.
 
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