My filtration is not working - needs to be replaced fast, what do you reccomend?

[FishyFishy!]

On the canister filter side of things, I am actually a fan of them if you clean and maintain them regularily. I have a 40g right now with a new Fluval 406 on it, and it's been awesome. I took out all of their filter material, and replaced 3 trays with Live Rock Rubble, and the other tray with mechanical filter pad and carbon. Works well. Maybe something to look in to instead of the G3.

I like the ease of cleaning them too. Just shut it off, disconnect, and take to your sink to clean out. I always do a water change at the same time, so that I have a 5 gallon pail of salt water to rinse everything in. This way your not destroying bacteria with a freshwater rinse.