NPK Test Kit
Discover What's Ailing Your Plants
- Test your soil before you fertilize and save money!
- Kit includes 10 NPK and 10 pH tests
If your plants are looking sickly and stunted, but no pests are evident, poor nutrition may be to blame. This NPK Soil Test Kit tells you exactly which fertilizer you need nitrogen, phosphorus or potassium.
- Kit includes bottles, caplets and color charts
- Box is 1-3/4" L x 1/2" D x 2-3/4" H
- Distilled water is recommended for testing