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
Determining whether your soil pH needs adjusting or if Nitrogen, phosphorus, and potash should be added in the form of fertilizers. Easy to use, just mix soil and water together, pour off solution into comparator, pour in the powder from the capsule, shake and compare to color chart. *first image is an older version, second image is accurate.