more depends on what fish you want . Im with you as I only keep smaller fish so I build my tanks 14 tall . Best size for cleaning get better use out of lighting . And not to mention most people never even scape the whole tank , they will have half the tank empty after the rockwork top half bare . So for myself I would never go above 20 tall. My 200g is 48x48x20 for my dogface and I can still clean it easy and gives him lots of swimmimg space .. Sure the extra space is needed if you are keeping bigger fish . But such a pain if you have a 30tall and need to get something off the bottom lol no thanks .
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Im a hustler / I'll hop in the ocean / sell a whale a splash
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