Hi all,
cheers Darrel
You can use either, it honestly doesn't <"make a whole amount of difference"> - <"Is expensive bio media worth it?"> & <"HELX-13/K1 verse Foam in Canister Filters">.is the HELX-13 plastic media a good choice or should i use the (cant remember the name) stuff were using at the moment its like a gravel
cheers Darrel