Print them on US Letter. They are built to be read at arm's length in bad light, which is the condition most of them get read in. Nothing here is gated, nothing expires, and no page-specific URL is printed on them, so a sheet on your wall does not go stale when this site changes.

📋
01 · 2 pages

The Complete Cheat Sheet

Every number an operator holds, on two pages. The eight readings and their targets, the code floors, dose factors, turnover and the troubleshooting order. If you print one sheet, print this one.

Download PDF
🧪
02 · 1 page

Water Chemistry, One Page

Targets, test frequencies and the chapter each one comes from, condensed to a single sheet. Built for the chemical store, next to what you are about to open.

Download PDF
🚨
03 · 1 page

Emergency Action Card

Four situations and the first three moves in each. Includes a fill-in block for the facility address as 911 needs it, your shut-offs and your 24-hour numbers. Put it where the phone is.

Download PDF
⚠️
04 · 1 page

Hyperchlorination Card

Contamination response, with the quantities worked out at six pool sizes and a blank block for your own volume. Fill it in once, in pen. Nobody does arithmetic well at two in the morning.

Download PDF
🔢
05 · 2 pages

The Dose Library

One calculation behind every dose in the book, with the factor for each chemical. Ounces = (gallons ÷ 10,000) × ppm change × factor. The same on every pool you will ever touch.

Download PDF
📝
06 · 4 pages

Blank Forms and Logs

Four real ruled forms to print: the daily operating log, and three more. One of them is your defense in an inspection. Time, initials and action taken are what turn a compliance document into a diagnostic one.

Download PDF
📊
07 · 1 page

Saturation Index Tables

The one-minute calculation that catches what every other test on the sheet misses. Temperature, calcium and alkalinity factors in full, so you can read the band rather than guess at the point.

Download PDF

Sheets are a start. The credential is the job.

Most health departments want a PHTA CPO on the payroll. Certification taught live by Samuel, virtual or on-site at your facility, in all 50 states and in English-speaking countries worldwide.

Next class: loading...
Book, $435