luster leaf 1601
Easy-to-use system. Helps gardeners achieve professional results with just a few simple test procedures. Larger samples can be tested with more consistent and accurate readings. Color-coded components make references easy. Complete instructions for pH adjustment and fertilization are included. Includes complete instructions for adjusting soil conditions and tests for ph, nitrogen, phosphorus and potassium levels.
California residents see Prop 65 WARNINGS
| Includes | : | pH Levels, Nitrogen, Phosphorus and Potash |
