OneTruck
Knowledge Base

The Field Diagnoser

Drop a before-pic or describe the surface and the stain. Get the best-practice chemical, mix, dwell, and the cautions that keep you out of trouble — pulled from real operator outcomes and manufacturer guidance. Free.

1 · Show it the job

📷 Tap to add a before photo
Photo stays on your device. Then confirm the surface & problem below so the lookup is dead-on.

A free tool from OneTruck

OneTruck — the CRM built for pressure washers.

Quoting, scheduling, invoicing, and customer texting in one app made for this trade. This diagnoser is our free gift to the boards. We're working on building this knowledge right into OneTruck — what would actually make it useful on the job? Tell us below and help shape it.

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Read before you spray. These are best-practice starting points synthesized from public operator outcomes and manufacturer guidance — not a substitute for the current manufacturer label. Always verify ratios & dwell against the product label, test an inconspicuous spot first, wear proper PPE (chlorine-rated respirator for SH, eye protection for all chemicals), protect landscaping, and follow local runoff rules. Never mix products unless a label says to. OneTruck / Dalton Pressure Washing assumes no liability for outcomes.
OneTruck Knowledge Base · Field Diagnoser v0 · built from real operator outcomes + manufacturer guidance