1500 ppm NaCl
Out of stock
Thank you for you interest in this product.
Please provide your details below and we will notify you when this product is back in stock.
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)