As I've become more adept at rocket construction, I find myself with some storage and dispense issues, and I'm sure there's a simple solution (well, hopefully not as simple as mine). I have tubs of milled fiber, cabosil (light-weight thickening additive from US Composites, not sandable, not sure if it's a trade name or not), and Q-Cells (also from US Comp, but sandable...makes nice fillets!). Right now I'm using the spatulas you get with gelato to shovel bits in as I mix, but want something that's a bit cleaner and more manageable. I tried using those fillable squeeze bottles you can buy at a store to dispense ketchup or the like, but the spout diameter was too narrow, and when squeezing, these fine particles will FLOOF out and get everywhere more than they'll pour. If I trim them back to make the flow more manageable, the cap doesn't fit on. The milled fiber is too dense to even try- I'm sure it'll compact and settle, and fail to dispense. Does anyone have any elegant solution?