J-so Digital Soil Light Sensor & pH Meter & TDS Water Temperature Purity Salinity ppm Pen,Money back guarantee

TDS meter (aka ppm pen, nutrient tester, tds stick) is an inexpensive and convenient digital tool to instantly check your overall water quality. TDS = Total Dissolved Solids, which is any salt, metal or mineral in the water. With the push of a button, the TDS-EZ can tell you your overall water purity level, which will be displayed on the screen in ppm (parts per million). The lower the TDS level, the purer the water, with 0 ppm being pure H2O. The TDS-EZ is great for checking your tap water quality, or knowing when to change a filter. (The meter does not test for biological contaminants.) The TDS-EZ is a great tool for drinking water, water filtration and purification, hydroponics (test your nutrients), aquariums, RO/DI systems, pools and spas, and more.


PH penprovides more reliable accuracy and durability for testing the acidity or alkalinity of liquids. It is very easy to use - just immerse the electrode and the readings are automatically displayed. With a resolution of 0.01pH and a 0.05pH range of error, you may get higher accuracy than other pH meters. The electrode is designed with more durability in order to offer a longer product lifetime even through heavy use.



With a standard measuring range of 0-14 pH, An affordable way to test your swimming pool, aquarium, tap water, or appliance water source, you can finally know whether the water you are drinking or using is acceptable for the application. It is also an excellent choice for basic measurements in a laboratory setting, making it an ideal choice for students taking chemistry or biology classes.



Specifications: Measuring range: 0.00-14.00 pH



Soil Light Meter3in1 Moisture PH Light Meter for Hydroponic Plant Soil # Ideal tool for both indoor and garden plants care # Please clean the electrode after each use * 1 X 3 IN 1 PH LIGHT METER FOR PLANT SOIL