The best inflatable stand up paddle board PSI level is anywhere from 10-15 PSI. Most people inflate their board to about 10-12 PSI. The higher PSI will help if you are riding in cold or choppy water. If you need a bit more stability, try increasing the PSI of your board as well. We generally recommend to not have your best inflatable stand up paddle board lower than 10 psi as it will not be as stable and could potentially crease in the middle if there is too much weight on it.
The max PSI of the inflatable paddle boards is 25. We don't recommend inflating over about 15 PSI as you will only see small, incremental gains in the board's rigidity past that point. It is physically impossible to over-inflate your inflatable paddle board if you use our air pump for inflatables that comes with every iSUP package. If you own an electric paddle board pump the pump will automatically turn off when it is at the optimal psi so you don't have to worry about over inflating the board.
All Tower blow up stand up paddle boards are intended to be inflated to 10-15 PSI (max tested PSI 25). You should find the last 30-40 pumps to be fairly difficult, but it's worthwhile to get it to full inflation. Please note, the gauge that comes with our pump will not register the PSI until the board is at at least 7+ PSI.
Don't worry--there's no way to over-inflate or damage your board with this pump--so keep pumping until you get a read on your gauge. Once you think your board is fully blown up, take a break and then pump it up 10-15 more times.
However, you must know that if you use an air compressor to inflate the board, your 2 year warranty is voided. This is because an air compressor can potentially over inflate the board and the iSUP could burst.
One note on inflatable paddle boards is that they can hold air perpetually. At our shop we only "deflate" when we need to transport them in small spaces. You can leave your blow up stand up paddle board inflated for however long you you choose. One of the primary benefits of an inflatable board over a hardtop board is that it's almost impossible to damage, so many users will even transport them completely inflated. It's not necessary to inflate and deflate after each use.
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