First rinse the electrode with distilled water and suck it with filter paper. Total concealed fit in your bag or pocket for easy, casual carrying. Users can use it directly. If the data is about 6.86 or the deviation is relatively small, no correction is required; if the value deviates from 6.86 relatively large, press and hold the CAL button for three seconds, let go after the screen flashes, and the automatic correction is in progress.
eBay
It is a Vital device for checking the PH Acidity of your Aquarium. Easy to use, Small & Portable. Accuracy +-0.1pH (at20C/68F). Size 150.29.20mm. Ideal for Aquariums, Pools & Spas. Pet Supplies. Computer/Gaming Supplies.
eBay
Detection range: 0.00~14.00pH. Test pen X1. Sound & Vision. Products with backlight digital display, easy to use and convenient. Temperature range: 0~45 degrees. hope you could understand. Product View.
eBay
PH: pH range 0-14, acidic if tested between 0-7, neutral if tested at 7, alkaline if tested between 7-14. Applications: pure water, electroplating solution, boiler water, fish tank water, swimming pool water, photographic rinsing solution, well water, deep diving, laboratory, aquaculture, food processing and other production and drinking.
eBay
pH Meter Tester Pen Digital LCD & 2 Solution Aquarium Water Hydroponic Test Kit.
eBay
Discover the ideal tool for precision pH management in your hydroponic systems with the Aqualine pH Stick. This easy-to-use pH meter, designed specifically for hydroponic environments, comes in a convenient stick form, making it simple to monitor and adjust pH levels swiftly. Crafted for reliability and accuracy, the Aqualine brand is synonymous with quality in the realm of hydroponics. Whether you're a seasoned gardener or new to the world of nutrient-rich gardening, this pH stick is an essential accessory for maintaining optimal plant health and growth.
eBay
4 Display modes: press SHIFT button: TDS - ppm & °C, EC - μs/cm & °C, TDS - ppm & °F, EC - μs/cm & °F. TDS&EC ( WHITE OR BLUE). First, rinse the electrode with distilled water and suck it with filter paper.
eBay
✔It is suitable for testing the PH balance of drinking water, pool, aquarium, food Specifications. 1 x PH test pen. Colour: Yellow, Blue,Red. Clean the electrodes. Turn off the switch. Put on the protective cover.
eBay