High Precision Measurement: accurate water quality monitoring with our PH Replacement Probe, designed for both professional laboratory and home aquarium use. Design: This probe offers both reliability and ease of use. Its construction ensures long-term performance, even in continuous monitoring situations. Wide Compatibility: Compatible with most PH meters making it a versatile choice for a variety of settings, including hydroponics, pools, and spa systems. Easy Installation: The straightforward design allows for quick and easy installation, so you can start monitoring your water quality in no time. Ideal for both professionals and hobbyists seeking precise and reliable readings. Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Color:As Shown Material:ABS + Glass Package Contents: 1 Set * PH Composite Electrodes Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.