I would definitely make use of those except now i have 5 more reloads for a tube i no longer have. at this rate it would sitll be cheaper just to buy the single use =). In the long run this will be a good thing. Ive decided to pick up the smaller size reloads for the 24mm RMS I have, and am going to start much smaller with the 2 rockets im building now. Instead of going for max height ill start with reliable recovery and work my way up.