They are also a readily available source of nitrogen

It's pH-buffered for ease of use

ensuring healthier and more robust plant growth

Standardized epoxy grade increased = increased water proofing capabilities

amino acids

Nutradip Growboss 2.0 Holland Secret They are also a readilyNEW and Improved Features Include: PPM Probe is now manufactured and assembled in Canada. Standardized epoxy grade increased = increased water proofing capabilities. New robust power supply provides greater accuracy = quicker metering response. Revised circuit board with 3 new circuitry chips = more stable and consistent readings. Each unit is "bench tested" and uniquely paired and calibrated with both the pH and PPM probes. Brand new packaging,