Please note: our PRODUCT LIST is currently being updated.
NUTRIENT METERS (TRI-METERS)
$299.99
The 24-7 Nutrient Tri-Meter is a great all around meter for nutrient applications needing constant monitoring. It measures PPM, pH and...
$39.99
TDS-4TM Pocket-size TDS & Temp
great leather case
$49.99
COM-80 EC/TDS/TEMP HydroTester