
The TDS-3 Handheld TDS Meter from HM Digital is a handy tool for aquarium enthusiasts to accurately measure Total Dissolved Solids (TDS) in water, ensuring the purity and quality of both home water supply and Reverse Osmosis/Dionized (RO/DI) unit output. Featuring an intuitive digital display, this meter also includes a built-in thermometer, allowing users to monitor temperature alongside TDS readings for comprehensive water quality analysis. The TDS-3 comes factory calibrated from HM Digital and is supplied with a protective carrying case, making it ideal for those who require precise measurements in their aquarium maintenance routines.
| Manufacturer | HM Digital |
| SKU | 200034 |
| Aquarium Type | Saltwater, Freshwater |
| TDS Meter Type | Handheld |
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TDS-3 Handheld TDS Meter & Thermometer
by HM Digital
Test Kits
Reference reading: Species guide on Codexery
Species guides on Codexery
- Banded cleaner shrimp — Scientific name: Stenopus hispidus · Maximum size: 60 mm total length source
- Tuxedo urchin — Scientific name: Mespilia globulus · Maximum length: 5 cm diameter source
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15% off TDS-3 Handheld TDS Meter & Thermometer
On sale for $21.92 (regular $25.79)
All-time low price on TDS-3 Handheld TDS Meter & Thermometer
New lowest price: $21.92 (previous low: $24.99)
15% price drop on TDS-3 Handheld TDS Meter & Thermometer
Price dropped from $25.79 to $21.92















