Yeah...I wish I had room for an AC HOB, but its one of those "Water Wonders" tanks with the nice clear lid & I dont want to cut a big notch out of the lid. This tank has really been a pain to get cycled, though! Its been running for 3 weeks & I'm still spiking Nitrite. I moved a sponge and some gravel over from my big tank & I've been doing 50% WC's on it just to keep the nitrite below 1.5 ppm, which I still think is too high. Thank to Prime, everyone is still alive, though. I thought the flow was the problem, but has anybody else had issues cycling tiny tanks?
My new Tom Mini-Filter is actually a really nice unit so far. I like the way its built (all modular) & the spray bar seems to make a big difference in the oxygenation. It says it can handle a 5G tank (65GPH), but I'm only running 1.5G. It looks like something the Japanese would build for a small tank with some kind of $500+ fish. It feels like its very hi-quality & has good flow & filter cartridges are actually pretty cheap @ 4.99 for a 3-pack. Again, I've never seen a filter this small that comes with a spraybar. So far I highly recommend it.