Since the tank is bigger i got a new filter to add the eheim liberty 200 i wars told to remove the coal and Also i can cut and full the two sponge cartidges with bio filter media , the only Ones available are seschem purigen and matrix ( it says is better than the coal since it deos not drop phosphates into the Water )and Also eheim mech , which combinación should i get?
As you intend live plants, I would not use any sort of chemical filtration. "Chemical" filtration refers to filtration that affects the water chemistry in some way, such as carbon (your "coal" I am assuming refers to black activated carbon which is common in many filters), purigen or matrix.
Most canister filters have three stage filtration, the first being some type of ceramic disks, the second a biological media (the "mech"), and then the fine pads/floss/sponge layer. These provide mechanical filtration, which involves removing particulate matter from the water so it is clear, and biological which deals with ammonia/nitrite.