Zinc Colorimetric Test Strips Elm Dirt weather permitting

weather permitting

Compatible with all grow mediums like rockwool

Deep Breath

we suggest adding the H2O2 solution approximately once every week or two

55466 Lumens ± 5% @ AC240V

Zinc Colorimetric Test Strips Elm Dirt weather permittingZinc Test Strips: 0 to 50 mg L Convenient, on site water testing Use for quick spot checks to ensure water quality. These new water test strips are perfect for field testing, process control, and analytical and research applications. Strips are easy to use: simply dip the strip into water sample to be tested, remove strip, and compare resulting color change to enclosed color chart. Tests take approximately 1 to 10 minutes. Strips are packaged 100 pk.