Luster Leaf® rapitest® Soil Test Kit, 40-Pieces, 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.