A DIY detailer gets thin, watery foam from their foam lance and needs to know the correct orifice size and whether an o-ring is required to improve foam thickness.

No clear guidance for DIYers on matching orifice size to low-pressure washers and soap viscosity; product manuals and online resources lack specific, actionable advice.

Severity

2Mild

Willingness to Pay

implied

Added

May 26, 2026

Workarounds Described

asks AI for orifice size recommendation
watches YouTube teardown videos to check if o-ring is present

Implied Software Gaps

Mobile app that matches pressure washer specs to correct foam lance orifice size and provides setup guidance

App Concept

FoamPro Orifice Guide

FoamPro Orifice Guide is a mobile app that helps DIY detailers and professionals optimize foam thickness. Input your pressure washer specs and soap type, and get the recommended orifice size, nozzle part numbers, and setup tips to instantly improve foam quality.

Key Features

Input PW specs (flow rate, pressure) and soap brand to get recommended orifice size
Visual nozzle identification guide with part links
Troubleshooting wizard for common foam issues (watery, no foam, etc.)
Community-verified tips and equipment compatibility database

Target Users: DIY auto detailers and small mobile detailing businesses using domestic pressure washers

Revenue Model: Freemium with $4.99/mo for unlimited setups and community access; $2.99 one-time for ad-free base guide

Existing Solutions Mentioned

Meguiar's Hyper Washfoam lance with 1.25mm orificeNilfisk pressure washer

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