I like to add that our opinions are largely based on what we expect out of our HOBs. I could say that the major evaluation criteria are: solid waste filtration, bio-media capability, ease of cleaning/changing media, water circulation, reliability, and cost. Then we all apply a weighting factor for each of those criteria based on our own personal needs and knowledge.
At this stage of my fish-keeping knowledge, I no longer count (or care) about solid waste filtration. I have no driftwood or plants that decay, I feed my fish primarily 3mm NLS and have absolutely no food waste, and I vacuum the fish pooh off the top of the sand every week during water changes.
I don't expect my HOBs to be the sole source for BB production. I count on my sand substrate to be the stable bio-media source that doesn't loose any BB capability like my HOBs do when I clean them or change cartridges.
I do place a higher rating weight on easy of cleaning and restarting (if needed) during a water change. I have multiple tanks, work long hours, have kids, own a home, fix the four cars we own, workout daily, and walk the dogs an hour a day. Plus I have other hobbies and interest. I do NOT have time to waste on aquarium maintenance.
I do use my HOBs for water circulation. I rate the TetraTec very high in that area and the AC110 very low.
I do care about reliability, but I can't fairly rate my filters because I have such a small sampling (from a sample of one style filter to a maximum of five of the same type. We can only rate reliability effectively if we know the exact number of each HOB in use, how long each ran before something failed hard (e.g., motor burned out), and how many and often soft failures occurred (e.g., propeller jammed but was restored after reseating the propeller housing).
The weight I put on cost has changed drastically over time. When I was young and single (and had no life other than fish keeping) I would spend money on filters very unwisely. Now that I have tremendous financial obligations, I CANNOT waste money on filtration; especially over filtration.
So you can see from this long response I have my own set of rating criteria that probably matches only a small subset of people who have posted on this thread.
At this stage of my fish-keeping knowledge, I no longer count (or care) about solid waste filtration. I have no driftwood or plants that decay, I feed my fish primarily 3mm NLS and have absolutely no food waste, and I vacuum the fish pooh off the top of the sand every week during water changes.
I don't expect my HOBs to be the sole source for BB production. I count on my sand substrate to be the stable bio-media source that doesn't loose any BB capability like my HOBs do when I clean them or change cartridges.
I do place a higher rating weight on easy of cleaning and restarting (if needed) during a water change. I have multiple tanks, work long hours, have kids, own a home, fix the four cars we own, workout daily, and walk the dogs an hour a day. Plus I have other hobbies and interest. I do NOT have time to waste on aquarium maintenance.
I do use my HOBs for water circulation. I rate the TetraTec very high in that area and the AC110 very low.
I do care about reliability, but I can't fairly rate my filters because I have such a small sampling (from a sample of one style filter to a maximum of five of the same type. We can only rate reliability effectively if we know the exact number of each HOB in use, how long each ran before something failed hard (e.g., motor burned out), and how many and often soft failures occurred (e.g., propeller jammed but was restored after reseating the propeller housing).
The weight I put on cost has changed drastically over time. When I was young and single (and had no life other than fish keeping) I would spend money on filters very unwisely. Now that I have tremendous financial obligations, I CANNOT waste money on filtration; especially over filtration.
So you can see from this long response I have my own set of rating criteria that probably matches only a small subset of people who have posted on this thread.

