HM Digital TDS 1000 ppm calibration solution - 20 packets of 20 ml spl_hgc More pleats ensure maximum efficiency

More pleats ensure maximum efficiency without increasing air flow resistance

to ensure your plants get a safe and effective product

so it is best to be added to solution prior to other nutrients - or diluted before adding to a nutrient solution

and Roots Organics have captured that power for you in an easy to use form

Features a soft TPR grip aluminum handle with safety lock allowing you to easily pick and reach fruit

HM Digital TDS 1000 ppm calibration solution - 20 packets of 20 ml spl_hgc More pleats ensure maximum efficiencyDescription 20 Pack Sodium Chloride(NaCl) EC TDS Calibration Solution (20) packets of 20 ml 1000ppm 2mS 2000 uS solution