Hardness (Total & Calcium) Test Kit 2 or 10ppm/25 mL environmental Pre-built and Nitrogen Tested for

Pre-built and Nitrogen Tested for Leaks

stopping feeding almost immediately after ingestion

Black Beauty Summer Squash and Lemon Cucumber are standout performers

01% of reading + 0

sunny location near flowers

Hardness (Total & Calcium) Test Kit 2 or 10ppm/25 mL environmental Pre-built and Nitrogen Tested forHardness (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