bio media

Do i really need to use different bio media??? what's the best bio media I can use???

I newly setup a 220 Gallon aquarium recently, and am new to this whole large aquarium game. I upgraded from my old 100 gallon since fish were getting larger. Fish include male motoro singray, 2 NTT datnoids, 1 red oscar. And plan on doing 50-40% water changes weekly. I currently have, 1...

This topic has probably been beaten to death but I have a very particular question. On the Lowes website they have a product called Red Lava Rock and here is the link. https://www.lowes.com/pd/Kolor-Scape-0-5-cu-Ft-Red-Lava-Rock/50040758 My question is the following, is this a crushed version...

Well I am trying to get back into the mfk lifestyle. I just got started with 2 bowfronts that came with 4 Tetra 60 hob filters. Well I always try and do what I can so I figured out a way to add a gallon of Marine Pure cermedia 1.5" bio balls lined up inside the Tetra baskets. They actually fit...