's, both volume and frequency. That's an incredibly overstocked tank IMO
with too little filtration and husbandry. You should also look at vacuuming the gravel as I'm sure that's where most of the detritus is winding up. Hex tanks generally tend to be taller and more columnar than having any kind of a decent footprint. IMO
they're junk tanks and only meant for a few fish that like to sit in one place and do nothing as there's really no room for them to swim. I would recommend re homing a lot of those fish. As well, with that stocking and the tiny WC
's, I'm sure the nitrates are thru the roof. What are the numbers of your current parameters ?
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