Find where the hole is and then deflate the mattress then clean and dry the area around the hole. The first place to check is the air valve.
3 Ways To Inflate An Air Mattress Wikihow
Another quick way to search for a leak or a hole is to use toilet tissue duct tape thin plastic etc.

How to find a hole in an intex air mattress. Almost too good to be true but it worksPlease subscribe if you are new. You need to perform this while you are in an unmoving spot. You then wipe the mattress with that soaked-in-soap rag.
Some holes are so tiny you can barely see them so you may need a little help locating the source of the air leak in order to patch it. Sure this will work. All you have to do in that case is mix water with the liquid soap and then put a rag into that water.
They will form where the air is escaping from and that is the leak that you need to seal. It will make it easier to find the leak by listening to the hissing sound of air escaping. When the plastic goes over the hole it will become affected by the air leak.
No need to throw away your air mattress when youve a hole. You might find tips out there that will tell you to pour a cup or two of water into your air bed and then inflate it. Sharp objects under your mattress might be the culprit for the holes.
Use a patch kit to seal the hole apply adhesive to the patch and then press it against the hole. If the Intex air mattress has a hole it is quite easy to fix. Ditch the mess with alternative ways to.
It might be faulty and is letting air out. How to patch and fix a small hole in an Intex air mattress with just glue and nothing else. Wear rubber gloves for vinyl adhesive protection.
If there is a leak big enough after soaping up you mattress and applying minimal pressure to it soap bubble will appear on the spot where the mattress is leaking. How to patch and fix a small hole in an Intex air mattress with just glue and nothing else. Inflate the mattress to full capacity.
So cheap and easy. Add some weight and notice where the hissing sound comes from and you will undoubtedly locate the gap in your air mattress. Gently draw the plastic over the mattress.
Locate the breach b. As you spray around the valve look for bubbles. Submerging the mattress in water spraying it with soapy water and dumping baby powder on it may help you find an air mattress leak but these methods also leave you with a mess and potential damage to the mattress.
This will result in wet patches appearing where the leak is. Now that youve found the hole its time to fix your air mattress even without a patch kit. Most air mattress leaks form around this area and that is why you need to start with before checking on the other parts.
Follow these simple steps to quickly identify the leak and repair the hole1. Take your time here because a small enough leak will release a bubble just every few seconds.