AquaMaster H600 Pro & E300 Pro Replacement Substrate EC Probe

eplacement EC Substrate Electrode – For H600 Pro, H600 Pro Substrate & E300 Pro

Durable, Accurate EC Monitoring Right at the Root Zone

This replaceable EC substrate electrode is compatible with the H600 Pro Substrate Meter, H600 Pro Handheld Meter, and E300 Pro EC Meter.
Built from stainless steel, it’s designed to withstand heavy use in tough grow environments—virtually unbreakable and ideal for reliable EC testing in coco, soil, or hydro media.

• Compatible with H600 Pro, H600 Pro Substrate, and E300 Pro models

• Built from rugged stainless steel for long-lasting performance

• Designed for accurate EC readings in soft, moist substrates and nutrient solutions

• Easy to replace—just follow the steps in the User Manual

Built tough. Reads true.
Keep your substrate readings dialed in with a fresh EC electrode.