Zeyu Li
All work

Information Design · Leslie’s

Water Analysis Report

I turned complex water-test data into a personalized report that answers three questions in order: How is my water? What needs attention? What should I do next?

RoleInformation & layout design
ScopeCustomer-facing report template
CompanyLeslie’s Pool Supply
ToolsAdobe InDesign, Illustrator
A Leslie’s associate running a customer’s free in-store AccuBlue water test at the counter
Every report begins with Leslie’s free in-store AccuBlue water test.
The challenge

The test delivered precise data. Customers still needed a clear decision.

Any Leslie’s customer can walk in for a free AccuBlue water test. The result includes chlorine, pH, alkalinity, cyanuric acid, and TDS—valuable information that does not automatically tell most pool owners what to do next.

I designed a personalized two-page report that leads with the verdict, explains the treatment plan, and gives app, rewards, product, and service messages a useful place without competing with the recommendation.

Water Analysis report, page 1: water analysis and quality score
Page 1 · The verdict and water-quality score.
Water Analysis report, page 2: customized treatment plan
Page 2 · The personalized treatment plan.
Design decisions

Organize the report around the customer’s questions—not the laboratory’s output.

Verdict before detail. The Water Quality Score gives customers an immediate read before they encounter a single measurement.

Chemistry becomes a to-do list. Results translate into a Sanitize · Shock · Prevent routine: three plain-language actions instead of a chemistry lesson.

Exceptions surface themselves. Warning flags make out-of-range results easy to spot, so customers can see what needs attention without reading every row.

Business value earns its place. App, rewards, product, and service messages appear where they support the customer journey rather than interrupt it.

The critical tradeoff

Every additional message made the recommendation harder to trust.

The challenge was not the chemistry. It was restraint. This high-traffic touchpoint created pressure for larger offers, more app promotion, and more upsell. Each addition made the report louder and pushed the customer’s answer farther away. I argued for a clear rule: if someone cannot find the verdict within seconds, the report has failed. We kept business messages only where they supported the next step. Protecting the reader’s confidence was the most important design decision.

Outcome

The final report turns technical data into a clear sequence: understand the result, identify the issue, and act on the recommendation. Good information design does more than simplify a page—it helps people feel capable.