Luster Leaf Soil Test, 40-pack
An excellent starter kit to use all growing season. Takes the guesswork out of how much to fertilize or whether pH needs adjusting. Easy to use color-coded tablets and tubes; complete with color comparison charts and guide to improving soil conditions.
- 40ct - Tests Included : (10) pH, (10) Nitrogen, (10) Phosphorus & (10) Potash