--- title: "Purefiz Amazon FBA Case Study - Flapen" canonical_url: "https://flapen.com/results/purefiz" last_updated: "2026-09-04T04:21:02.989Z" meta: description: "Purefiz on Amazon: A broad testing range with the portfolio’s only recurring-revenue base, plus 1,014 extra orders from tier discounts." "og:description": "Purefiz on Amazon: A broad testing range with the portfolio’s only recurring-revenue base, plus 1,014 extra orders from tier discounts." "og:title": "Purefiz Amazon FBA Case Study - Flapen" --- Case study · Water testing instruments # Purefiz A broad testing range with the portfolio’s only recurring-revenue base, plus 1,014 extra orders from tier discounts. Purefiz sells water testing instruments on Amazon, where Flapen manages the account and its growing subscription base. Our Full Account Management team handles the listings, the ads and the weekly numbers. **Need help with your Amazon brand?** [Launch your brand from A-Z](https://flapen.com/amazon-fba-launch) [Grow your brand](https://flapen.com/amazon-brand-management) ![John Mallia in a customer interview for Flapen](https://flapen.com/_vercel/image?url=%2Fimages%2Fcase-studies%2Foperator-john-mallia.webp&w=1024&q=100) “Didn't know where to start with research. Flapen connected the dots and by launch day the numbers already made sense.” **John Mallia **· Business owner The brand store ## Purefiz on Amazon A water-testing storefront spanning strips, pen meters and refractometers. ![Purefiz brand banner on a blue studio backdrop with the full product line-up of refractometers, pen meters and test strips](https://flapen.com/_vercel/image?url=%2Fimages%2Fcase-studies%2Fpurefiz%2Fstorefront.webp&w=1536&q=100) [**~~Visit the storefront ~~**](https://www.amazon.com/stores/PUREFIZ/page/2B3963FC-8686-464A-ACB5-C56A74463BB1) The product ## pH Test Strips 0–14, 200 Count The listing that carries the brand and the instruments around it. The hero product links to its live Amazon page. Primary listing image [**~~See it on Amazon ~~**](https://www.amazon.com/dp/B0DWTF7TCZ) The creative ## Purefiz on video The brand's own spots, straight off the listing. The spots that run on the listing and the storefront. Results ## See what sellers are saying [![Mike Grady in a customer interview for Flapen](https://flapen.com/_vercel/image?url=%2Fimages%2Fcase-studies%2Foperator-mike-grady.webp&w=640&q=100)View story — Mike Grady+30% year over year“May was a great month. Up 30% over last year. Let's keep it rolling in June.”Mike Grady · Grady's Pitching School](https://flapen.com/results/gradys-pitching-school) [![Chris Garvey in a customer interview for Flapen](https://flapen.com/_vercel/image?url=%2Fimages%2Fcase-studies%2Foperator-chris-garvey.webp&w=640&q=100)View story — Chris GarveyTACoS 10.8% → 9.9%“Was burning hours on research that Flapen's AI does in minutes. Told me exactly what was worth pursuing and what wasn't. Wish I'd found it sooner.”Chris Garvey · SnoreLessNow](https://flapen.com/results/snorelessnow) [![Matt Dorband in a customer interview for Flapen](https://flapen.com/_vercel/image?url=%2Fimages%2Fcase-studies%2Foperator-matt-dorband.webp&w=640&q=100)View story — Matt Dorband+41% YoY pace“Flapen found baby product sub-niches I'd completely missed. Ran the profit calculator, numbers checked out, placed my first order with actual confidence.”Matt Dorband · Tiny Tinker](https://flapen.com/results/tiny-tinker) [![Logan Leckie in a customer interview for Flapen](https://flapen.com/_vercel/image?url=%2Fimages%2Fcase-studies%2Foperator-logan-leckie.webp&w=640&q=100)View story — Logan Leckie5.7% TACoS at scale“Nice $3K day yesterday… new record?!”Logan Leckie · Vora Bowl](https://flapen.com/results/vora-bowl) [![Brecht Powell in a customer interview for Flapen](https://flapen.com/_vercel/image?url=%2Fimages%2Fcase-studies%2Foperator-brecht-powell.webp&w=640&q=100)View story — Brecht PowellRepeat buyers 7% → 14%“Repeat customers doubled. That's when we knew it was working.”Brecht Powell · Oral Pouch Solution](https://flapen.com/results/oral-pouch-solution) [![Stephanie Hansen in a customer interview for Flapen](https://flapen.com/_vercel/image?url=%2Fimages%2Fcase-studies%2Foperator-stephanie-hansen.webp&w=640&q=100)View story — Stephanie Hansen16.9% conversion rate“Thank you for all of your hard work and continued support. We really appreciate everything you've done.”Stephanie Hansen · Silver Aid](https://flapen.com/results/silver-aid) [![Marko Tähtivaara in a customer interview for Flapen](https://flapen.com/_vercel/image?url=%2Fimages%2Fcase-studies%2Foperator-marko-tahtivaara.webp&w=640&q=100)View story — Marko TähtivaaraACoS 88% → 32%“One tool instead of five. Research, forecast, optimize, done. Exactly what I needed.”Marko Tähtivaara · GrillX](https://flapen.com/results/grillx) [![John Mallia in a customer interview for Flapen](https://flapen.com/_vercel/image?url=%2Fimages%2Fcase-studies%2Foperator-john-mallia.webp&w=640&q=100)View story — John Mallia157 active subscriptions“Didn't know where to start with research. Flapen connected the dots and by launch day the numbers already made sense.”John Mallia · Purefiz](https://flapen.com/results/purefiz) [![Aubrey Laflamme in a customer interview for Flapen](https://flapen.com/_vercel/image?url=%2Fimages%2Fcase-studies%2Foperator-aubrey-laflamme.webp&w=640&q=100)View story — Aubrey Laflamme9.5x creator-ads return“Flapen found the product, launched it, and had us profitable in under 6 months. They now manage our 2 brands with 15+ SKUs — we're growing faster than we ever did alone.”Aubrey Laflamme · TuffTynz](https://flapen.com/results/tufftynz) The method ## The story, the system, and the science Three pages tell the whole method. Pick where to go deeper. [![Flapen's founders together at an Amazon seller conference](https://flapen.com/_vercel/image?url=%2Fimages%2Fabout%2Ffounder-conference-hero.jpg&w=1024&q=100)

**~~The Flapen Story~~**

How a software engineer ended up launching 500+ Amazon brands, and why the whole method is public.](https://flapen.com/about) [![Flapen's founder on the floor of an e-commerce conference](https://flapen.com/_vercel/image?url=%2Fimages%2Fsystem%2Fhero-founder.jpg&w=1024&q=100)

**~~The Flapen System~~**

The five steps between a product idea and a profitable brand, published end to end.](https://flapen.com/system) [![Flapen's founder presenting the Flapen Score radar on a conference stage](https://flapen.com/_vercel/image?url=%2Fimages%2Fscience%2Fhero-presenting.jpg&w=1024&q=100)

**~~The science behind our niche scores~~**

How the Flapen Score grades every niche, and the evidence behind each component.](https://flapen.com/science)