To mend this leak, inflate the ball until it is about 75 percent full. Use a ball repair sealant that can be found at your local sporting goods store. Wet the sealant can’s insertion needle with water, then push it all the way into the valve. Spray the repair sealant into the ball for five to six seconds. Inflate the ball fully. A plumber friend told me that fixing my Symmons "Temptrol" shower/tub valve was a "do it yourself" project. I decided to document my process (still photos). Placing a stent: This allows a surgeon to plug a leaky valve. Repairing supporting structure: Shortening cords that support the valves can allow the valve to close effectively. Valve flap repair If it's damaged, it's likely to be the bladder inside, which isn't really worth attempting to fix on your own. A football (sorry, soccer ball) shouldn't go flat within a week. My current Mitre is still solid and playable two months after it's initial inflation. If it's going flat that quickly then the air bladder is leaking through fault or Unfortunately Wilson elected to stop supplying bladders. Typical company trying to reap more$$$ from customers. NFL ball $120+ good for one maybe 2 seasons of football and you have to pay for postage and repair fees in excess of $50 …. Loosing schools, teams and customers must be a new business model. Very disappointed and frustrated. In this video I will show you how to fix a leaky water shut off valve. You will need an adjustable wrench or a pair of channel locks. This is a pretty easy t Obtain the new bladder, a new lace and a lacing guide to replace a football bladder. Insert a needle valve into the inflation hole on the ball. Squeeze the ball with both hands until it is fully deflated and remove the needle valve. Skip this step if the football is flattened or already deflated. Cut the laces along the seam carefully with the Fix or repair your favorite sports ball with a fluid that seals nonvisible small punctures and leaks ; Great for repairing existing punctures on your soccer ball, football, volleyball, or basketball ; Our pint size ball repair fluid requires a sports needle or syringe for insertion: not included kVXc.