DIY & Home Improvement

First, you can increase the cycle time by bending the arm that holds the ball to a more sever angle (also make sure the threads are tight and not shifting). That won't solve the issue but your toilent won't refill as often.

It does seem like it is leaking water out of the tank. That's usually the flapper not seating correctly. A new one may not seat correctly either and may need adjustment.

The other place it could leak is at the bottom of the overflow tube. Those are usually just press fit in and can leak if they get moved a little. Look down the tube and see if you see and leaking at the bottom....