How to use
- Fill in: Plinth area (m²). Fields with defaults or marked optional can stay as shown.
- Tap Calculate.
- Read the result - you can print or save it as PDF.
Worked example
With Plinth area = 100:
CHEMICAL (APPROX.)50 litres
- Treatment area: 100 m²
- Chemical: 50 L
- Per 10 m²: 5 L
Pre-construction soil treatment average 5 L per 10 m²; follow the chemical label for exact dosage.
