How accurate are your test results? General Hydroponics TDS Calibration Solution is for conductivity meters measuring 1500 ppm. Easy to use, just dip the sensor into a small amount of the buffer and adjust. Do NOT reuse.
ALL General Hydroponics solutions are of the highest quality, allowing growers to calibrate many popular brands of meters/ monitors (NaCl scale or the 442 scale).
Available size: Quart (32 oz)
You May Also Like
-
Soil Pen
Provides a fast and accurate measurement of soils and growing media.
$184.95$111.40 -
Replacement Probe
Sensors don’t last forever! Replace them every 12 months for accurate test results.
$72.95$42.00 -
Checker (HI98103)
Provides fast and highly accurate results with an easy to read LCD display.
$44.95$25.19 -
Guardian Monitor
Easy to use, just plug it in and place the probes in your nutrient reservoir.
$394.95$236.50
Copyright © 2004-2017