Specification :

NPK Tester
Determine the high / medium / low
concentrations in soil Such as:
- Nitrogen ( N)
- Phosphorus ( P)
- Potassium ( K)
includes:
- TesTab tablet reagents up to 50
tests for NPK
- An extraction tube;
3 capped test tubes;
- An eyedropper, laminated
color comparison chart
MSDS sheets; and instructions.