Hi all I'm planning a new tank, and it's a big part of what brought me to seek wisdom from the fishlore community, so I figured I should start a thread for it. Friendly advice is welcome. The tank I ordered on a really good discount is a 28 gallon acrylic hexagon that is about as wide as it is tall, so not super tall. 21"W x 20"H So far here is what I'm thinking. Filter: Fluval U4 (in-tank) Additional (hand made) air-driven back-up/extra filter. Heater: I have a cobalt neotherm 25 for my nano 5G and I like it. Thinking maybe (2) 50watt cobalts or something for this tank but haven't tried the dual heater idea before so welcome thoughts. I've read that some people use two heaters to try to reduce the chance of catastrophic failure if one gets stuck on, then the other will hopefully still shut off and it will be harder for the smallish heater to boil the fishies. Substrate: thinking thin layer of fine black sand for corydora fun and some easy, low-light live plants, such as java moss, marimo, water wisteria, maybe some Amazon sword or something a little vertical. Stocking: Right now I have 3 peppered corys that I want to move into this more suitable size tank so I can get them a proper school of Cory friends. So at least 6 total corys. As many tetras of one type (neon or cardinal, most likely) as make sense, given the corys. Would love to find room for a couple otocinclus too, but not sure whether or not that is realistic without shrinking the tetra school too small. That might be it for fish, or, depending I maybe could swap out something for a small pretty top level fish, TBD. Want to keep to South American soft water types that all enjoy similar water. Would love advice on a snail that doesn't become 1,000 snails. And if folks think I could add a couple shrimp or if they'd be lunch. (My corys are fine w adult shrimp, but not sure about tetras?) So lots of things are still up for debate and it'll be a month or more until it is ready for fish. Really excited to have a new tank that is decent size!