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Get growing with the best GroLine hydroponic and soil meters around

Whether you are a commercial or at-home grower, testing is the key to your success. Easily control growth parameters and ensure the right nutrient balance for your plants with GroLine. Start optimizing and generating larger yields in no time. 

Meet the meter that does it all

Meet the meter that does it all

GroLine pH/EC/TDS Meter

Grow better than your competition with this customer favorite. This portable meter is perfect for testing hydroponic nutrient solutions! Fast and accurate results for pH, EC/TDS, and temperature are now at your fingertips.

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Keep plants safe 24/7

Keep plants safe 24/7

GroLine Hydroponic Monitor

Always be there for your grow and monitor nutrients round-the-clock. Achieve continuous pH, EC/TDS, and temperature readings. Maximize your nutrient solution and know exactly what your plants need to thrive.

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Measure hydroponic nutrients for optimal growth

You've probably heard this before, but we'll say it again, don't underestimate the power of nutrients when it comes to plant health. Enjoy convenient testing with GroLine. Make smarter decisions for your grow operation and deliver nutrients to your plants with precision. 

Top Picks for Hydroponic Growers

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HI9814 GroLine Waterproof Portable pH/EC/TDS Meter $299.99
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HI98131 GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester $214.99
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HI98318U GroLine Waterproof EC/TDS (ppm) Tester $109.99
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HI98115 GroLine Hydroponics pH Tester $59.99
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HI981412 GroLine pH Dosing System $499.99
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HI98118U GroLine Waterproof Hydroponic pH Tester $99.99
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HI981420-01 GroLine Monitor for Hydroponic Nutrients $479.99
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HI981421-01 GroLine Monitor for Hydroponic Nutrients with Inline Probe $499.99
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HI981413 GroLine Nutrient Dosing System $499.99

Test soil at the root zone and boost crop yields

Growers, it's no secret that healthy plants start from the ground up. Understanding soil nutrients is critical, so let's get to know your plants on a deeper level. Easily take direct measurements in soil or other growth mediums anywhere using our GroLine testers and meters.

Soil Testing Essentials

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HI9810302 HALO2 GroLine Wireless pH Tester for Soil $159.99
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HI98331 Soil Test Direct Soil Conductivity Tester $159.99
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HI98168 GroLine Professional Portable Soil pH Meter $799.99
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HI99121 Direct Soil Measurement pH Portable Meter $559.99
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HI9813-61 pH/EC/TDS/Temperature meter with CAL Check $279.99
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HI9813-51 pH/EC/TDS/Temperature Portable Meter, range: pH 0.0 to 14.0 pH EC 0.00 to 4.00 mS/cm TDS 0 to 1999 ppm (mg/L) $269.99

Hear from GroLine customers

Growers also like to test with

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HI83325-01 Nutrient Analysis Photometer $939.99
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HI9813-61 pH/EC/TDS/Temperature meter with CAL Check $279.99
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HI83900 Suction Lysimeter for Root Level Soil Monitoring $69.99
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HI9813-51 pH/EC/TDS/Temperature Portable Meter, range: pH 0.0 to 14.0 pH EC 0.00 to 4.00 mS/cm TDS 0 to 1999 ppm (mg/L) $269.99
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HI98194-web Multiparameter pH/EC/TDS/Salinity/DO/Pressure/ Temperature Waterproof Meter $1699.99
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HI9829-web Multiparameter pH/ISE/EC/DO/Turbidity Waterproof Meter with optional GPS $3399.99
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HI98129 Low Range pH/Conductivity/TDS Tester $209.99
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HI99121 Direct Soil Measurement pH Portable Meter $559.99

 

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