Grow Organic
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$29.99 USD
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This test is a quick, inexpensive way to monitor the approximate acidity or alkalinity of your soil.
- All you do is mix your soil sample with a pH reagent solution in a test tube
- Match the resulting color to a chart and interpret, using the tables provided
- Chart is graduated to increments of 1.0 pH
- The kit contains materials for 15 tests
Much greater accuracy can be achieved with a pH meter.
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