HOB to Canister
I have a 40g breeder that's heavily planted. It has an aqueon 30, aqua-tech 10-20 and a sponge filter rated for 25 gallons. Here's my current occupants: I have 5 platys, 4 sumatra kuhli loaches, 8 guppies, 4 white skirt tetra, 6 adult bronze corys, 5 baby bronze corys, 5 zebra danio, 2 nerite snails, 3 dwarf won rainbowfish, 3 amani shrimp, 5 ghost shrimp, and about 30-40 each kind juvenile Ramshorn and pond snails.
I was looking at an Eheim pro 4+ canister filter to switch to. I want to know if the canister filter by itself is enough. I know most people say to aim for 8-10◊ in gph compared to tank size. However, only the really expensive canister filters from what I see hit that 8-10◊ mark for my tank. Could someone suggest what would be my best course of action and what other filters would be good besides Eheim. From my research, I like the media Eheim has inside and it is German made which having German heritage makes me partial to it. I don't want to keep spending and upgrading filters for my same tank over and over. Thanks