Product Information
- This TDS tester isĀ ideal for all water purification applications, wastewater regulation, aquaculture, hydroponics, and colloidal silver
 - ATC (Automatic Temperature Compensation) ; Advanced microprocessor technology
 - The Sleek design of the TDS-4 is perfect for personal or commercial use
 - Alkaline batteries included
 - Hold Function: Freeze the measurement to view it out of the water.
 - Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries
 


















