COM-100 Replacement Probe.
Replacement EC/TDS Sensor for COM-100.
COM-100: Waterproof Professional Series EC/TDS Meter.
Test indicator is perfect for easy testing.
Reduces the pH level of the nutrient water.
Mills Nutrients pH- Flower has been specially developed to lower the pH value of the feed water during the flowering phase.
Increases the pH level of the nutrient water