697-A All Purpose Soil Tester
Permanent color standards, guaranteed never to fade, results always accurate.
All reagents stable for minimum one year. Tester ready for immediate use.
Accurate results - uses proven scientific methods and latest findings in plant nutrition and soil science.
Portable, rugged, water resistant carrying case, measuring 24W x 10D x 8H inches, weighs 16 lbs.
- Soil Reaction (pH)
- Active Aluminum
- Nitrite Nitrogen
- Plant Tissue Tests
- Ferric Iron
- Humus (Organic Matter)
Soil pH Tester
The most accurate inexpensive outfit for testing pH of any soil, sand, clay or peat. Does 200 tests.
- Triplex indicator solution produces distinct shades of color over all ranges of the pH scale.
- Eliminates errors by use of an inert white powder to draw the reagent from soil to its surface for comparison.
- Accurate color comparisons with laminated color chart supplied.