Pay in 4 interest-free payments of $6.79 Learn more
Ships within 48 hours · Estimated delivery Sep 5 - Sep 10
Exclusive "Zero" calibration feature—accurate to 2%
Saves money and energy
available in black or white
Product Name: Insect Frass
except for VTX400
HM Digital AquaPro TDS/Temperature Meter biological fertilizer Exclusive "Zero" calibration feature—accurate toFEATURES Measures total dissolved solids (TDS) and temperature Automatic Temperature Compensation (ATC) Water resistant housing Measurement Range: 0 5000 ppm Digital Calibration (push button) Auto off function, data hold function and low battery indicator Display: large and easy to read LCD screen includes simultaneous temperature reading The AquaPro is calibrated with a 342 ppm NaCl solutioncan be recalibrated with digital calibration using the push
