Compact digital tester that quickly reads pH, TDS, EC, salinity, and temperature. Built for reliability, it helps hobbyists and professionals monitor water quality on the go. A practical tool for aquariums, hydroponics, and water testing tasks with a clear backlit display.

AquaGauge Pro™ TDS Master
$28.64
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Low in Stock - 7 Left
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Product Features

Discover the core capabilities: multi-parameter readings, backlight for low-light use, and a simple handheld design for quick checks.

Compatibility

See what environments and accessories work best with this tester, plus compatible water parameters and use cases.

Shipping & Returns

Learn our policies on delivery, returns, and guarantees to help you shop with confidence.

1) Accurate readings
2) Backlit display
3) Easy to use
4) Compact design
5) Reliable support
Features
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Multi-parameterMeasures pH, TDS, EC, salinity, and temperature to give a complete view of water quality in one compact unit.
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Backlit LCDThe bright display stays readable in dim environments, so you can test where light is scarce.
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Pocket-friendlySmall, lightweight form factor fits in a pocket or kit for quick field checks.
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All-in-One Readouts

Get a full picture of water quality without juggling multiple devices. This tester consolidates key metrics for faster decisions.

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Clear, Quick Results

Designed for rapid testing with stable readings and a responsive display, so you won’t miss important changes.

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Durable, Portable

Rugged enough for daily use, yet light enough to carry anywhere your water testing takes you.

What users say
Rated 4.9/5 by +300 Happy Customers
Customer portrait Reliable and easy to read, perfect for my aquarium setup.Jordan J.
Customer portrait Quick checks while gardening; accurate readings every time.Alex W.
Customer portrait Backlit display helps in low light and on-the-go testing.Sam K.