Description:
The most accurate inexpensive outfit for testing pH of any soil, sand, clay or peat. Measure soil pH from 4.0 to 8.5 in 0.5 pH increments. Inert white powder draws special pH reagent to soil surface for positive comparison to color chart (supplied). White powder covers soil sample to eliminate soil color from interfering with pH reagent color. Contents sufficient for 200 tests. Complete in plastic box.
