planted tank filtration

What's up fish people, so we've all dreamed of an amazing carpeting plant to be successful in our tanks, and this is my second try at dwarf hairgrass. My first attempt was in my own 75 gallon freshwater community. After a few days, my silver dollars absolutely tore it all out and I could not...

so im setting up a second planted tank, I was thinking about going with a Fluval FX4 canister filter and using a metal inflow and outflow pipe so I don't have plastic pipes etc in the tank, but the more I look at videos of canister filters the more I don't like them. I also don't like sumps nor...