for substrate I use pool filter sand, only downside is it takes alot of rinsing
And you can do a canister filter but I would strongly suggest a wet dry sump instead, I can put up a drawing of what I plan to do here if you want it is pretty easy to make/understand
And you can do a canister filter but I would strongly suggest a wet dry sump instead, I can put up a drawing of what I plan to do here if you want it is pretty easy to make/understand