Whats the best way to cycle a fish tank?

spider pig!!!1

New member
Im hoping to buy a 5 gallon fish tank next week as i want another betta. I already have an established fish tank, do i put some of the gravel from my old tank in to the new tank to help with the cycling process. And how long would a 5 gallon tank take to cycle
My other tank is 65 gallons.
 
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