Hardness (Total & Calcium) Test Kit 2 or 10ppm/25 mL environmental This first of its kind

This first of its kind Patented Terpene Technology is designed with the cultivator and environment in mind

Mirror finish collection tray and Static Brush

Black Beauty Summer Squash and Lemon Cucumber are standout performers

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Here are some quick conversions based on Bootstrap Farmer Greenhouse kits -

Hardness (Total & Calcium) Test Kit 2 or 10ppm/25 mL environmental This first of its kindHardness (Total & Calcium) Test Kit 1 drop = 2 or 10 ppm as CaCO3 25mL (Includes total hardness powder indicator, not liquid). Calcium Test Kits are packaged in a durable plastic case and include all reagents, equipment and instruction card to complete approximately 60 75 tests. Color coded reagent caps match the color bar on the instruction card for easy identification when running multiple tests and our photographic, step by step instructions keep