GroLine waterproof EC/TDS/Temperature tester storage bags Calcium is an essential nutrient

Calcium is an essential nutrient involved in plant growth and development helping maintain strong plant structure and healthy root systems as part of a balanced nutrition program

Pocket-SizedThe compact size makes the Soil pH Tester ideal for on-the-go testing

2 sizes provide a secure water tight fit

The 300cc absorbers effectively protect packaged food from spoilage

GroLine waterproof EC/TDS/Temperature tester storage bags Calcium is an essential nutrientHI98318 GroLine EC TDS meter is supplied with protective cap, (4) HI50036 Quick Cal Calibration Sachets (20 ml), (1) CR2032 battery, instruction manual, and quality certificate. The HI98318 is our latest pocket meter for measuring the EC TDS of a hydroponic nutrient solution. This modern looking meter is only 0. 7" thick and extremely ergonomic, fitting comfortably in your hand. The HI98318 has a very large easy to read LCD display that shows both EC