TDS Digital Water Tester


The AQUABITS accessory range offers key items you need to support your aquarium.  

Total Dissolved Solids (TDS) are the total weight of all solids (minerals, or salts) that are dissolved in a given volume of water, expressed in milligrams per litres (mg/L), or in parts per million (PPM).

TDS Digital Water tester allows you to measure the TDS of your aquarium water and adjust accordingly. 


  1. Hold function: Saves measurements for convenient reading and recording
  2. Auto-off function: Turns off meter after 10 minutes of non-use to conserve batteries.
  3. Measurement Range: 0-9999 ppm (When the measured value exceeds 999 ppm, make the display value x10)


Item Type: TDS Water Meter

Material: Plastic

Measurement Range: 0-9999 ppm

Accuracy: +/-2%

Temperature Range: 0 - 50 degrees

Battery: 2xLR44 batteries, 1.5V (Included)

Size: 155x29x23 mm