There may be some videos of that subject on YouTube. It'll all depend on the viscosity of the fluid being sprayed. I watched some regarding using waste oil.
We have one Draper and the tubes are always blocked. Now it's clogging up my workshop.
Careful I had this and it conked out after a few uses. Cold from me
Ive got this. The internal feed pipe split and came off the the attachment where is exits the canister within a week. Took apart, trimmed pipe, reassembled but it keeps splitting and pipe is getting real short now! Spray pattern is really bad too.
They also make pretty good cheapo bidets as well