is to disconnect the fitting and reconnect it. To disconnect the fitting, you'll need to use a disconnecting clip, which can be purchased online, or at your local hardware store. If this doesn't resolve the issue, it could be due to another reason. Number 2. The SharkBite fitting's o-ring is damaged another possible reason for leaking SharkBite fitting is a damaged o-ring. Your pipe is aligned with the fitting's o-ring protector, which is an important component of your SharkBite fitting. To find out, if this is the reason, you'll need to inspect your SharkBite fitting. How to fix it, to inspect your fitting's o-ring, you'll need to disconnect the fitting using the tool discussed earlier. Once you've done this, you'll be able to assess the o-ring. Luckily, SharkBite fittings come with a limited 25-year warranty. The replacement fitting should solve your leak. Number 3. You're using SharkBite fittings outdoors using SharkBite fittings outdoors can result in the formation of leaks. This is due to the exposure of the rubber o-ring, discussed above, to the harsh UV rays of the sun. In turn, this can dry out the o-ring, causing it to crack or split, eventually resulting in a leak. How to fix it, if the leaking SharkBite fitting your troubleshooting is located outside, you've likely found the reason your SharkBite fitting is leaking. You'll need to use an alternative fitting that is rated to withstand continuous exposure to the sun. How to fix it, if the leaking SharkBite fitting your troubleshooting is located outside, you've likely found the reason your SharkBite fitting is leaking. You'll need to use an alternative fitting that is rated to withstand continuous exposure to the sun. How to fix it, the fix to this issue is clear. Try to avoid your using SharkBite fittings. As a golden rule, you can use it up to three times. However, if you notice that reuse fitting leaking, it's a sign that it's time to purchase a new short-bite fitting for your pipe.