Free Resources
Everything we produce — free downloads, chemistry tools, ebooks, and the Pools Scientific Reference Set. All in one place.
Free Downloads
Print it. Laminate it. Use it in the field.
Every download is free. No catch. Enter your email and it’s yours. Built for pool owners, service professionals, and company operators who take water seriously.
Free Download
Checklist
Pool Opening Checklist
The complete seasonal opening protocol — equipment inspection, water balance, sanitization, safety systems, and sign-off. Science-based, field-ready.
Free Download
Checklist
Salt Cell Management Checklist
Water chemistry targets, cell inspection procedure, scale and bonding checks, and a lifespan tracker. From Episode 4 of the podcast.
Free Download
Diagnostic Flowchart
Heater Diagnostic Flowchart
Flow-related heater troubleshooting from start to finish. The Lying Gauge test. Seven-step diagnostic sequence. From the Lying Gauge episode.
Free Download
Reference Cards — 3 Cards, 6 Sides
Chemistry Reference Card Set
The 7.5% Rule CYA/FC table, LSI Quick Reference, and pH & Chlorine Effectiveness. Half-letter, print-and-laminate format.
Free Download
Checklist
Pool Closing Checklist
Complete seasonal closing protocol — water balance, winterization, equipment shutdown, and cover installation. Coming soon.
Free Download
Reference Card
Shock Dosing Reference Card
Breakpoint chlorination formula, when to shock, product comparison, and approximate dose table. Half-letter laminate format.
Free Tools
Chemistry calculators for the field.
LSI Calculator
Enter your current water chemistry readings and get your Langelier Saturation Index instantly. Color-coded result, real-time adjustment recommendations, current vs. desired comparison. Modeled on the Orenda workflow.
Shock Dose Calculator
Enter your pool volume, current FC, and current CC — get the exact shock dose needed to reach breakpoint chlorination. Cal-hypo and liquid chlorine options.
Chemical Dose Calculator
Any parameter, current reading, target reading, pool volume — get the exact dose in ounces, pounds, or fluid ounces. Every common chemical included.
7.5% Rule Quick Calculator
Enter your CYA level and get your minimum free chlorine requirement instantly. The most important calculation in outdoor pool chemistry, in two taps.
Physical Product
The Pools Scientific Reference Set
Eight laminated half-letter cards on a ring. The complete Pools Scientific field reference — 7.5% Rule, LSI, pH & Chlorine Effectiveness, Pool Opening Protocol, Pool Closing Protocol, Shock Dosing, Salt System Quick Reference, and The Pools Scientific Method. Professional quality. Waterproof. Clip it to your service bag or keep it in the glove box.
8 cards, 16 sides, half-letter laminated
Hole-punched corner, metal binder ring included
Waterproof lamination — field and poolside ready
All cards also available as free PDF downloads above
Ebook Series
The complete guide to pool chemistry.
The Pools Scientific Guide to Pool Care — 3-Volume Series
From fundamentals to professional mastery. Three volumes covering water chemistry, LSI, equipment, salt systems, plaster curation, and cold-climate management. Everything covered in the podcast — in complete mathematical and scientific depth.
Volume 1 — DIY Pool Care: Fundamentals every pool owner needs
Volume 2 — Advanced Chemistry: LSI, water balance, salt systems in depth
Volume 3 — Expert Mastery: Professional diagnostics, equipment, cold-climate management
New episode every Tuesday. Free.
One email per week — the key insight from the latest episode and the link to listen.