Measure Total Dissolved Solid for Aquarium.

Features:

• Makes measurement of the Total Dissolved Solids and temperature in your aquarium.
  

Instructions:

1. Remove protective cap
2. Press ON/OFF button
3. Immerse the meter tip into the water up till it covers probe
4. Wait until the readings stabilise. Press Hold and remove the pen from the water.
5. After usage, clean the pen tip properly before covering it

Specifications:

• Range: 0-999ppm
• Battery: 2 x 1.5v (Button Cell). Batteries Included.
• Accuracy will reduce in fast moving water and large volume of water.