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13 Products

GardenSupplyGuys

Water Quality TDS Detection Pen

In stock

Regular price $24.99
Sale

Hanna Instruments

HANNA® GroLine Hydroponic Monitor for pH, EC, TDS, Temperature

In stock

Regular price $495.00

Regular price ~~$525.00~~ Sale price $495.00
Sale

Hanna Instruments

HANNA® GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester

Out of stock

Regular price $209.00

Regular price ~~$249.99~~ Sale price $209.00

Out of stock
Sale

Hanna Instruments

HANNA® GroLine Hydroponics pH Tester

In stock

Regular price $59.00

Regular price ~~$89.99~~ Sale price $59.00
Sale

Hanna Instruments

HANNA® GroLine Nutrient Monitor for pH, EC, TDS, Temperature

In stock

Regular price $389.00

Regular price ~~$449.99~~ Sale price $389.00
Sale

Hanna Instruments

HANNA® GroLine Nutrient EC/TDS (ppm) Tester

In stock

Regular price $99.95

Regular price ~~$109.00~~ Sale price $99.95
Sale

HM Digital

HM Digital® Handheld TDS/PPM Meter w/ Carrying Case

Out of stock

Regular price $24.90

Regular price ~~$34.99~~ Sale price $24.90

Out of stock
Sale

HM Digital

HM Digital® AquaPro TDS Water Tester

In stock

Regular price $34.85

Regular price ~~$45.99~~ Sale price $34.85
Sale

Hanna Instruments

HANNA® GroLine Soil Test™ Direct Soil EC Tester

In stock

Regular price $119.00

Regular price ~~$169.99~~ Sale price $119.00
Sale

Hanna Instruments

HANNA® GroLine Waterproof EC/TDS (ppm) Tester

In stock

Regular price $85.00

Regular price ~~$109.99~~ Sale price $85.00
Sale

Hanna Instruments

HANNA® GroLine Waterproof Hydroponic pH Tester

In stock

Regular price $85.00

Regular price ~~$129.99~~ Sale price $85.00
Sale

Hanna Instruments

HANNA® GroLine Soil pH Tester

In stock

Regular price $125.00

Regular price ~~$174.99~~ Sale price $125.00
Sale

Hanna Instruments

HANNA® GroLine HALO2 Wireless Soil pH Tester

In stock

Regular price $175.00

Regular price ~~$195.89~~ Sale price $175.00

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Collection: Meters & Monitors

Meters & Monitors

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Water Quality TDS Detection Pen

HANNA® GroLine Hydroponic Monitor for pH, EC, TDS, Temperature

HANNA® GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester

HANNA® GroLine Hydroponics pH Tester

HANNA® GroLine Nutrient Monitor for pH, EC, TDS, Temperature

HANNA® GroLine Nutrient EC/TDS (ppm) Tester

HM Digital® Handheld TDS/PPM Meter w/ Carrying Case

HM Digital® AquaPro TDS Water Tester

HANNA® GroLine Soil Test™ Direct Soil EC Tester

HANNA® GroLine Waterproof EC/TDS (ppm) Tester

HANNA® GroLine Waterproof Hydroponic pH Tester

HANNA® GroLine Soil pH Tester

HANNA® GroLine HALO2 Wireless Soil pH Tester