Washing & Maintenance2 min read

Foam Air Content and Cleaning Dose: Do Not Compare Cannon Output by Height Alone

Compare foam-cannon output using liquid delivery and cleaning results, since foam height alone does not show how much shampoo reaches a panel.

Updated · NANOLAB Knowledge

Two foam cannons can produce very different-looking foam while delivering similar quantities of cleaning solution. Air incorporation changes appearance and apparent volume. A taller foam pile is not a direct measurement of active cleaning dose.

Separate liquid delivery from aeration

Record the bottle mixture, equipment settings, solution draw and total liquid delivery under a suitable collection procedure. Follow equipment safety instructions and avoid arrangements that create hazardous spray or alter normal operation.

Use the same surface area and application period when comparing coverage. A thick layer on half a panel is not directly comparable with a thinner layer covering the whole panel.

Measure the task outcome

Observation Decision value
Liquid delivered Helps establish chemical and water use
Coverage and drainage Shows where the solution remains
Accepted cleaning Tests whether soil was removed
Rinse and dry finish Checks the complete process

A practical comparison

If setup A produces more visible foam but requires a second wash, while setup B meets the same finish requirement once, foam appearance alone would favour the wrong process. Include repeat work and rinse demand in the evaluation.

Keep the product instructions in control

Do not increase concentration indefinitely to achieve a social-media appearance. Use the supported working range, avoid allowing product to dry where prohibited, and assess compatibility with the coating and other vehicle materials.

Foam can be useful for observing coverage and dwell, but it is one process characteristic. The meaningful comparison is the accepted clean surface obtained with known chemical, water and labour inputs.

Ask NANOLAB about your surface and intended use. For application and care, use the current instructions for the exact product.