How to ● inflate a 2L bottle ● without using a valve

Whatever it is your building with multiple 2L bottles, you need the bottles to be firm to make assembly much easier. Inventors are building 2L canoes, rafts, boats, buoys and docks and the list goes on! It’s fantastic! Just recently I found a cheap way to inflate 2L bottles with compressed air without going to the expense and time of installing a valve. With this method you can inflate multiple 2L bottles with compressed air at very little cost, do it quickly, and it will not deflate over time.