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Test your soil for best plant performance! Simply add a tablet to a soil mix and check the color, to test separately for pH, nitrogen, phosphorus and potassium. Gardeners have used the Soil Test Rapitest Kit for years with great success! Contains 40 tablets total, for 10 tests of each type.
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🇺🇸 Ship from USA · On Agora since 2026
$17.95