I've been in the hobby for awhile now and still using my original double sponged (2)AquaClear 300s-now AquaClear 70, for my planted 55 gal. They are still going strong since 04'-05' and are great bio filters. However they are starting to get quite loud and annoying.
I have recently placed an order from Big Als for 2 Eheim 2213s that will arrive next week to combat my noise. Can't wait for these will be my first Non-HOB filters. I read great things about them so I am giving them a try.
My intents for the new filter would be to use the eheim Mech filter media , cut up the Aqua Clear sponges to fit the canister profile in place of the Eheim sponge, Eheim Substrat and then the fine filter mesh. Considering my current filters are establish, I assume I can get away with this.
Other option of coarse is to shut down one filter at a time and the other to follow 4-6 weeks later. My bio load is currently low with the amount of surface area I have. (4) Cardinal Tetras, (1) Lemon Tetra
, (5-9) Corydora-Panda and Metae, (3) Otos and (1) Bristlenose. I lost more than half my load about 6 months ago and haven't restocked.
Water specs: about 6.7-6.8ph, heavily planted, co2 induced. I use RO water and my water is pretty consistent so I don't really check anymore. I only lost my fish due to my old co2 setup dumping the co2 tank. Tank dumping is impossible with my new setup.
Any opinions to changing out both filters at once with this load?