Unco Industries WWSB30LB Builder Worm Castings, 30 lb. Compost, Soil, 30-Pound

2 PACK. It's vital to know the existing pH, Nitrogen (N), Phosphorous (P) and Potash (K) levels in garden soil. The rapitest Soil Test Kit continues to be the standard for home soil testing. The kit includes all components needed to for (40) tests: (10) each for pH, Nitrogen, Phosphorus and Potash. The patented color comparator system allows for easy color comparisons versus a typical printed color chart. Extensive, yet simple, instructions are included along with recommendations for over 400 plants. Test results allow the gardener the amend and fertilize appropriately, ensuring the best possible results

2 Luster Leaf Rapitest Soil Test Kit
4 individual color comparators for pH, N,P,K in each one.
Innovative and inexpensive soil test kit features an easy-to-use capsule system and color comparators
Contains tests for ph, nitrogen, phosphorus, and potassium levels; 40 tests in total
2 Luster Leaf Rapitest Soil Test Kit
4 individual color comparators for pH, N,P,K in each one.
Innovative and inexpensive soil test kit features an easy-to-use capsule system and color comparators
Contains tests for ph, nitrogen, phosphorus, and potassium levels; 40 tests in total

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TESTER SOIL FOR N-P-K-PH;