Soil Test Kits

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  • Image of Bromothymol Blue

    Bromothymol Blue

    Formula: C27H28Br2O5S Formula Weight: 624.38 CAS Number: 76-59-5
  • Image of Hydrochloric Acid, 1.00 Normal

    Hydrochloric Acid, 1.00 Normal

    Formula: HCl Formula Weight: 36.46 CAS Number: 7647-01-0 Synonym(s): N/A
  • Placeholder Image for 5 Parameter Soil Test Kit, Model Sth-5

    5 Parameter Soil Test Kit, Model Sth-5

    Tests for 5 soil nutrition factors: soil pH (pH 3.8 to 8.8) nitrate nitrogen (10 to 150 lbs/acre), phosphorus (10 to 200 lbs/acre), potassium (100 to 400 lbs/acre) and humus (low-to-high) Includes reagents for these five tests as well as three 250-mL bottles of Universal Extracting solution,...
  • Image of Soil Analysis Outfit, Model STH-14

    Soil Analysis Outfit, Model STH-14

    Item #: 8329B10
    Tests performed on liquid soil extract Reagents and labware mounted in foam-lined, removable shelves in a carrying case of ABS plastic Simplified field tests for available nutrients in agricultural soils permit early detection of nutrient deficiencies. Equipment determines 14 soil nutrition...
  • Image of Soil Test Kit, Model EL

    Soil Test Kit, Model EL

    Item #: 8329C20
    Rapid test procedures and laminated color charts give low/medium/high concentrations for nitrogen, phosphorus and potassium (15 tests each) A pH indicator and color chart cover the range pH 4.0-9.0 (30 tests). A garden guide manual and soil handbook interpret test results and give lime and...
  • Image of Soil Texture Unit

    Soil Texture Unit

    Item #: 8329L85
    For separating soil sample into its sands, silt and clay fractions Consists of three calibrated conical tubes, three-place plastic rack, 2-oz. dropper bottle of flocculating reagent, and soil handbook
  • Image of Acid Rain Study Outfit

    Acid Rain Study Outfit

    Item #: C997D99
    Collect precipitation and determine the pH levels of ponds, lakes and streams with this complete outfit—a valuable unit for any environmental science program. Durable, tapered rain gauge Easy-to-use pH test kit Comprehensive study guide Activity sheets 50 tests
  • Image of Soil pH Test Kit

    Soil pH Test Kit

    Item #: C997F00
    The most popular pH soil kit. Supplied with a color chart and plastic spot plate. pH affects all mineral elements and the biological process made available to plants from the soil. Accurate pH testing is essential to determine lime requirements and to insure that a mineralrich soil is also a...
  • Image of Garden Guide Kit

    Garden Guide Kit

    Item #: C997F01
    Daffodils drooping? Spinach looking sad? Need to test your garden soil? Use this simple economical kit to measure nitrogen, phosphorus, potassium (15 tests each), and soil pH (30 tests). A mesh pouch in the case lid holds color charts, etc. The blue zipper-case provides more room for all...
  • Image of Nitty-Gritty Soil Science

    Nitty-Gritty Soil Science

    Item #: 1222U66
    Make friends with earthworms, and discover the importance of composting. This kit is a great introduction to the basic concepts of soil science! Investigate healthy plant requirements for proper soil texture, ideal levels of soil pH, and nutrients. Learn to perform pH, nitrate, phosphate, and...
  • Image of Soil pH Test Kit, Tablets

    Soil pH Test Kit, Tablets

    Item #: 1222U68
    By popular demand, TesTabs® method. Companion to Soil NPK kit (Code 3-5880). Simple diagrammed instructions. 50 tests for pH Wide Range 4-11 in 1.0 pH units Distilled or deionized water recommended
  • Image of Soil Sampling Tube

    Soil Sampling Tube

    Item #: 1222U69
    A 12" galvanized steel sampler with a 1” core diameter, saw-toothed tip. A cut-away side allows examination of core prior to removal for testing.
  • Image of Smart 3 Electronic Soil Lab, Model DC-12

    Smart 3 Electronic Soil Lab, Model DC-12

    Item #: 1215C85
    Designed to provide immediate, accurate and economical soil analyses in the field Self contained Test 15 different soil factors including available forms of macronutrients and micronutrients Simplified test procedures provide at least 20 tests for each nutrient. Each accurately standardized system...
  • Image of Soil PH Tester

    Soil PH Tester

    The most accurate inexpensive outfit for testing pH of any soil, sand, clay or peat. Performs 200 tests.
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