Top 10 Collections Projects Submit a Problem

Real problems from real workers. Classified by AI. Searchable by you. Discover unsolved problems across every industry and build what the world actually needs.

Part of the GZOO Business Platforms portfolio.

Browse

Explore Problems
Industries
Categories
Projects

Platform

Join Beta
About Us
Articles
Contact
Privacy Policy
Terms of Service

Join the beta — full access for the first 1,000 builders

Join Beta

Home/Plumbing/Problem

PlumbingPart Identification & Selection3MediumSolo Operator$ implied

Hard-to-find 1.25-inch ceramic cartridge for Grohe shower handle

No database or search tool that matches physical cartridge dimensions to manufacturer part numbers

Severity

3Medium

Willingness to Pay

implied

Added

Jun 4, 2026

Implied Software Gaps

Smart cartridge identification app that uses dimensions and markings to find exact replacement

App Concept

CartridgeMatch Pro

A mobile app that identifies plumbing cartridges by diameter, angle, and markings. Users input measurements and stamped codes to instantly get the correct replacement part number and nearby availability.

Key Features

Measure cartridge diameter with phone camera or manual input
Search by stamped codes or degrees
Cross-reference across brands
Show local/online inventory with prices

Target Users: Plumbers and DIY homeowners who need to identify and source obscure plumbing cartridges

Revenue Model: $4.99 per identification, or $9.99/month subscription with unlimited lookups

Want to go deeper?

Sign up to save ideas, run AI analysis, and track opportunities in your personal workspace. Founding members get full access.

Join Beta

Solutions (0)

Discussion (0)

No comments yet

Details

Added: 6/4/2026
Severity: 3Medium
Willingness to Pay: $ implied