Biohome BioGravel Aquarium Filter Media (5 LBS)

What is the difference in bio home &the black bio home super

I am pimping my hob for a 10 and 20 gal tank. How much of this will I need?

Is there a reference picture that can show how big the bags are? I ordered 2 pounds and its like 2 cups....

how much material is actually in the two pound order? Is it like a cup full? Is it a show box full? Some od these are a 1000ml in volume and that i