One of the best meters for hydroponics, our GroLine Waterproof Portable pH/EC/TDS Meter (HI9814) is a must-have for growers. Easily manage and monitor your growing nutrients with this customer favorite. Be up in running in no time! This meter arrives with everything you need for successful testing right out of the box. 

Whether you're a commercial or at-home grower, testing nutrients is easy with Hanna by your side. Verify nutrient results on the spot and start optimizing and generating larger yields. Test 3 parameters at the same time with just one device. Achieve fast, accurate readings for pH, EC/TDS, and temperature with this meter’s all-in-one probe. 

• Durable & reliable. Can withstand the demands of growing environments  
• Hand-held, portable size. Easily move around and test where you need to 
• Easy to set-up. Makes testing convenient, simple, and hassle-free