5 playbooks
Water Testing
Liquid kits, strips, sample technique, reagent storage, and cross-checking suspicious results.
Digital Readers and Photometers
Use digital and photometric tools for repeatability when they are maintained and calibrated, and fall back to liquid testing when the result drives a real correction.
Run the test in the right order
Step-by-step Taylor FAS-DPD testing with the correct reagent IDs and sequence.
Translate the printout before you buy
Turn a pool-store printout into a retest plan, a dose decision, or a reason to ignore a bad recommendation.
Trust the result before you dose
Sample technique, reagent age, interference checks, and how to reconcile conflicting results.
Use strips as a screen, not the final word
Test strips work for quick screening but are not precise enough for dosing decisions.
Educational guidance only. Verify labels, manuals, local code, and site conditions before acting. Stop for electrical, gas, structural, drain, drowning, injury, emergency, or chemical-mixing risk.