Equipment at the next size
Updated
Buy against measured hours rather than against ambition, and the order comes out differently from what people expect.
In the order it pays
Time your own process first: minutes per hundred tubes for filling, for labeling, for capping and banding.
Then buy against the largest number. In nearly every hand operation that is labeling, not filling, which is why the melting tank people buy first is the wrong first purchase.
A tray filler
A tray that holds a row or a block of tubes and fills them in one pour, with a scraper for the excess.
It roughly halves pour time, removes most of the mess, and makes fill height more consistent than hand pouring ever is.
It is also the change that makes a larger batch viable, because it shortens the pour enough to fit inside the working window.
A label applicator
A hand-cranked roller for a small cylinder is inexpensive and transforms both speed and appearance.
Straight labels are the single clearest signal of a professional product in this category, and by hand on a round tube nobody achieves them consistently.
A semi-automatic applicator is the next step and is worth it well before a filling machine is.
What to resist
A large melting tank before the pouring window is the constraint.
A filling machine before a few thousand units per run, where it will sit idle and cost you cleaning time on every small batch.
Anything that only suits one tube size, until the range has settled. Equipment that locks you to a container is a decision about the product disguised as a decision about a machine.