HM Digital 1000 ppm NaCl Calibration Solution, 20 ml sachets, box of 20 plant-support Its multifaceted 95% European hammertone

Its multifaceted 95% European hammertone aluminum gives excellent light uniformity and diffusion and will provide consistent delivery of the excellent color spectrum and PAR output of any Hydrofarm-recommended 315W ceramic halide lamp

When seeking the ideal balance between air porosity

Formulated with Canadian Sphagnum peat moss

This item does NOT come prewired and will require (2) CS53506 (sold separately)

Ozone production - 7

HM Digital 1000 ppm NaCl Calibration Solution, 20 ml sachets, box of 20 plant-support Its multifaceted 95% European hammertoneFor optimal performance, re calibrate your meters periodically with a 20 ml pack of 1000ppm calibration solution.