Gav wrote:

people, can we please get to my thread. i know how it is with views and
territory in usenet but c'mon i need the help here! i really want to
enter the world of marine , i am reading up as i type, but i am waiting
for real people to give real live advice!

You're asking for marine advice in a group full of freshwater aquarists.
Try rec.aquaria.marine.reefs. It's an active newsgroup specific to
marine aquaria.

IMO, canister filters are only suitable for fish-only marine setups, and
only with some additional biofiltration like a bio-wheel. Canisters are
hard to clean and tend to become nitrate factories so adding an easily
accessible prefilter is helpful.

If you want to keep inverts, remove all the biomedia and use the
canister for water movement and/or chemical filtration.

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