TDS Metres D-D Aquarium Solution

This usefull product from D-D Aquarium Solution tests for Total Dissolved Solids (TDS) this is helpfull to determine when your RO membrain or  DI Resin in your Reverse Osmosis system may be exuasted.

The higher the level of TDS in the water the more contaminates there may be present.

Features include:-

Hold function: saves measurments for conventient reading or recording.

Auto on/off turns of itself after 10 minutes to save battery life.

Smart carrying case.

Price £19.95