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Layers onto established base nutrient programs such as FloraSeries
making it a great option for salt-sensitive plants
Whether you're producing greenhouse-quality flowers
Always follow the current manufacturer feed chart for crop- and stage-specific application rates
peat-based growing medium
Luster Leaf® Rapitest® Soil Test Kit (40 Tests) Certified OMRI Organic Layers onto established base nutrientLuster Leaf Rapitest Soil Test Kit Kit includes: 4 color comparators, 40 test capsules, 10 each for pH, N, P and K, complete instructions for adjusting soil pH, fertilization guidelines and pH preferences list for over 450 plants for the home, yard and garden. Plants need food (nutrients) for healthy growth. Nitrogen, Phosphorus and Potash (N, P and K for short), play a vital role in plant growth. This kit enables you to test all four levels of pH,
US$ 19.95
US$ 24.95
US$ 14.95
