How to clean the inside of a blowoff hose

So.... after reading brewchez's comments about giving PRB another chance, and after a long look at my carboy brush I had a realization: that bend in the carboy brush could be.... unbent. Easily. And so, after a 2 hour soaking and rinsing, I shoved the now straight carboy brush in, swirled about, hit it from the other end, and wouldn't you know: clean as the day I bought it. As for the now straight carboy brush: bent it right back.

Thanks also to David PGB and Flyhard.

Depending on how long and thick your blow off tube is, you might be able to use a saxophone cleaning brush. I use a couple of standard "saxophone" cleaning brushes to help me around the brewery. There is one on a long (13") bendy metal wire, with a cloth like tip, the other end is a regular bristle type brush. It fits into my 1/2" ID silicone blow off tube which is 24" long. It also fits into my S.S racking cane and keg drink tubes. I use a tiny silicone tube split length wise around the metal wire to protect from scratching. Some of the smaller instrument cleaning brushes are great for kegs parts too.

Unfortunately, whenever I use a blow off hose I ended up tossing it when I was done because its tough to clean.

Rather than just an hour try overnight and make sure you are starting with warm/hot water. PBW is pretty powerful stuff especially when its warm.

I have the same problem, and I told myself that it will be fine not to get it too clean since it is only for and overflow and I soak it in StarSan before I use it. However, I will replace it every now and then...