Cost of pH Test Kits It typically varies from $10 to $50, with most lab tests in the $30 to $50 range. It might cost more if you're researching complex soil issues like salt content or metals.

Also, the kit only contains a single test, so you need to buy multiple kits to test different gardens or ... A Buffer pH test measures your soil’s “residual acidity,” which can specifically ...

The Luster Leaf 1601 Rapitest Test Kit is the company’s slightly cheaper option. But we found the Luster Leaf 1662 Professional Soil Kit and the Luster Leaf 1663 Professional Soil Test Kit a bit ...