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$37.95Unique design measures the four most important aspects of plant health. Determines the light level where the plant is...
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$28.95Makes 40 total low cost tests. Includes complete instructions and recommendations to amend soils based on test...
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$37.95Supersized 80 test kit. Get accurate, detailed soil analysis results with these low-cost tests. Includes complete...
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$34.95Dual purpose meter tests soil pH and fertilizer levels in a quick, one-minute test. Directions include ideal pH range...
