Aqua Master E60 Pro Conductivity Meter xtreme RHIZOTONIC XP is based on

RHIZOTONIC XP is based on Ascophyllum nodosum extract

Actual Dimensions

Each unit is IP-44 rated to be highly resistant against humidity and temperature

If you wish to run this off of a gravity fed water system

Aqua Master E60 Pro Conductivity Meter xtreme RHIZOTONIC XP is based onThe EC, PPM, TDS, Temp meter E60 Pro, suitable for many industries, is the ideal digital pen meter for measuring the EC, PPM, TDS, and temperature of a variety of liquids. The high quality and user friendly meter is extremely accurate and fits perfectly in your hand with a rubber ergonomic back and a cord to keep the cap secure. Additionally, it has a 1 point auto calibration feature which makes it easy to calibrate. Moreover, the meter is IP67