Small, transparent tools for the measurements that shape a larger decision. No hidden product recommendation.
OBSERVATION WORKSHEET
Water-flow observation calculator
Calculate observed US gallons per minute or litres per minute. Preserve the measurement conditions.
REQUIREMENT COMPARISONBackwash flow checker
Compare documented minimum demand with observed available flow. Flag unknown conditions instead of approving the installation.
How to read a result
A result tells you what the entered numbers support. Missing pressure, duration, temperature, or drainage information remains unresolved. Every tool links to its method and next measurement.