# Scrub Daddy: Aaron Krause. How a Failed Experiment Became a Billion-Dollar Sponge

- Show: [How I Built This](https://hardwarepodcasts.com/podcast/how-i-built-this)
- Published: 2026-03-16
- Length: 1h 29m
- Page: https://hardwarepodcasts.com/podcast/how-i-built-this/2026-03-16-scrub-daddy-aaron-krause-how-a-failed-experiment-became-a-billion-dollar-sponge

## Summary

Aaron Krause, founder of Scrub Daddy, explains how he pivoted from selling industrial buffing pads (sold to 3M) to creating a billion-dollar consumer brand after accidentally discovering the temperature-sensitive properties of a foam material originally intended for hand scrubbing. He details the struggle to gain retail traction through in-store demos, QVC appearances, and a pivotal Shark Tank pitch with Lori Greiner that generated $1 million in sales overnight. Krause also discusses his aggressive strategy for protecting intellectual property, including patenting the smiley-face design and enforcing trade dress against Chinese counterfeiters.

## Chapters

- [0:00](https://hardwarepodcasts.com/podcast/how-i-built-this/2026-03-16-scrub-daddy-aaron-krause-how-a-failed-experiment-became-a-billion-dollar-sponge#t=0) Introduction: Aaron Krause and the Scrub Daddy Origin Story
- [4:28](https://hardwarepodcasts.com/podcast/how-i-built-this/2026-03-16-scrub-daddy-aaron-krause-how-a-failed-experiment-became-a-billion-dollar-sponge#t=268) From Car Washing to Industrial Buffing Pads
- [25:33](https://hardwarepodcasts.com/podcast/how-i-built-this/2026-03-16-scrub-daddy-aaron-krause-how-a-failed-experiment-became-a-billion-dollar-sponge#t=1533) Selling the Buffing Business to 3M and the Exclusivity Trap
- [48:02](https://hardwarepodcasts.com/podcast/how-i-built-this/2026-03-16-scrub-daddy-aaron-krause-how-a-failed-experiment-became-a-billion-dollar-sponge#t=2882) The Failed Hand Scrubber and the 'Magic' Discovery
- [56:50](https://hardwarepodcasts.com/podcast/how-i-built-this/2026-03-16-scrub-daddy-aaron-krause-how-a-failed-experiment-became-a-billion-dollar-sponge#t=3410) Gaining Retail Traction: ShopRite Demos and QVC
- [1:09:18](https://hardwarepodcasts.com/podcast/how-i-built-this/2026-03-16-scrub-daddy-aaron-krause-how-a-failed-experiment-became-a-billion-dollar-sponge#t=4158) Shark Tank Pitch and the $1 Million Night
- [1:15:38](https://hardwarepodcasts.com/podcast/how-i-built-this/2026-03-16-scrub-daddy-aaron-krause-how-a-failed-experiment-became-a-billion-dollar-sponge#t=4538) Scaling the Brand: Scrub Mommy, Social Media, and IP Protection

## Topics

- [Validation & product-market fit](https://hardwarepodcasts.com/topic/validation-and-product-market-fit)
- [Intellectual property](https://hardwarepodcasts.com/topic/intellectual-property)
- [Crowdfunding & preorders](https://hardwarepodcasts.com/topic/crowdfunding)
- [Pricing, margins & unit economics](https://hardwarepodcasts.com/topic/pricing-and-unit-economics)
- [Marketing & brand](https://hardwarepodcasts.com/topic/marketing-and-brand)
- [Manufacturing partners & offshoring](https://hardwarepodcasts.com/topic/manufacturing-partners)

## Most relevant to

founders before launch, early-stage companies, companies scaling up

## Mentioned

- Scrub Daddy (product)
- 3M (company)
- QVC (company)
- Shark Tank (product)
- Lori Greiner (other)
- Mark Cuban (other)
- Scrub Mommy (product)
- ShopRite (company)
- Bed Bath & Beyond (company)
- Walmart (company)
- Target (company)
- Philadelphia Inquirer (company)
- Tovi (product)

## Related episodes from other shows

- [Shark Tank, Sea Moss, and an Ocean of Potential with Alexiou Gibson (2022)](https://hardwarepodcasts.com/podcast/the-startup-cpg-podcast/2023-01-03-shark-tank-sea-moss-and-an-ocean-of-potential-with-alexiou-gibson-2022) (The Startup CPG Podcast)
- [220: How Storytelling Drives Consumer Product Sales](https://hardwarepodcasts.com/podcast/product-startup/2024-04-05-220-how-storytelling-drives-consumer-product-sales) (Product Startup)
- [Against All Odds: Overcoming Huge Setbacks to Sell 5 Million Worldwide](https://hardwarepodcasts.com/podcast/its-only-a-prototype/2025-05-15-against-all-odds-overcoming-huge-setbacks-to-sell-5-million-worldwide) (It's Only a Prototype)
- [008: Temporary Face Masks & Surviving Shark Tank, Doug Marshall of The Game Face Company](https://hardwarepodcasts.com/podcast/product-startup/2016-05-17-008-temporary-face-masks-surviving-shark-tank-doug-marshall-of-the-game-face-com) (Product Startup)
- [Bootstrapped to 800,000 Units Sold Worldwide: The Story Behind Rockit](https://hardwarepodcasts.com/podcast/its-only-a-prototype/2025-04-17-bootstrapped-to-800-000-units-sold-worldwide-the-story-behind-rockit) (It's Only a Prototype)

## Citing this page

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