Self Amalgamating Tape wrap around a good few times and it will sort it for a good while , I use to patch my hose until it had about 7-8 pieces up and down the hose .
Once you are certain you have patched the leak take all the hose of the reel and turn the hose around so the well used half is on the inside of the reel this will ensure your hose last a good while yet .
Best hose to buy is Gardiners Thermobore even for cold use had mine 19 months now and still going strong . Mike