TDS Meter Water Tester and Digital Thermometer

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  Dual In-line TDS Meter DM-1 – HM Digital

  $39.00 Original price was: $39.00.$11.69Current price is: $11.69. Add to cart
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  TDS Meter Aquarium Water Tester – HM Digital

  $27.00 Original price was: $27.00.$8.09Current price is: $8.09. Add to cart
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  TDS-3 Handheld TDS Aquarium Meter & Thermometer with Carrying Case – HM Digital

  $27.00 Original price was: $27.00.$8.09Current price is: $8.09. Add to cart