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Primo testers provide a fast and dependable way to measure the total dissolved solids or conductivity in your water samples
When used as a soil conditioner
Road Kit Cartridge-20ml replacement cartridge only
integrates contemporary research with the existing nutrition provided by SUPERthrive since 1940
Root Pots promote vigorous root growth
Hanna 1413 μS/cm (EC) Calibration Solution, 20 ml, case of 25 spl_hf Primo testers provide a fastHanna Instruments' calibration solution, ideal for gardening, laboratory work, and field experiments. Comes in a bottle designed to keep air and light from damaging the solution.
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