GroLine Waterproof Hydroponic pH Tester
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Accurate Hydroponic pH Testing Made Simple
The HI98118 GroLine Waterproof Hydroponic pH Tester is a compact, user-friendly tool designed to help growers maintain optimal pH levels for healthy plant growth. With its slim, ergonomic design, large LCD screen, and easy two-button operation, this tester makes monitoring pH and temperature straightforward, reliable, and efficient for hydroponic systems, soil testing, and more.
- Features & Benefits
- Product Specifications
- What is included?
- Warranty Policy
HANNA GroLine Waterproof Hydroponic pH Tester
Built to perform in demanding greenhouse and hydroponic environments, the HI98118 offers advanced features like Quick Cal calibration and a durable cloth junction electrode to ensure consistent, accurate readings.
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Simultaneously measures pH and temperature. -
Fast, single-solution calibration for simplicity.
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Larger surface area for stable readings.
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Ensures accurate results regardless of temperature changes.
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Simplifies calibration and measurement.
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Built to handle humid, wet environments.
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Up to 1000 hours of continuous use.
Maintain Healthy Plant Growth with Confidence
Keeping your nutrient solution within the proper pH range is critical for plant health. The HI98118 provides precise readings, helping you prevent nutrient lockout and ensure optimal plant growth. Its Quick Cal mode and robust design make it perfect for growers of all experience levels.
Why HANNA GroLine?
HANNA Instruments delivers precision, durability, and reliability trusted by professionals worldwide. Their rugged, waterproof meters provide accurate, consistent readings in any environment, from agriculture to environmental testing. With easy calibration, replaceable probes, and long battery life, HANNA offers long-term value and portability, ensuring dependable results and confidence in every measurement.
Why Buy From Us?
At GreenThumbDepot, you're not just another sale to a faceless corporation. You're partnering with a team genuinely invested in your success. Our legendary customer service, combined with a promise of unbeatable prices, sets us apart. We're here for you, always.
If I could rate 6 stars I would! My representative Edouard B. has been shockingly responsive! Like - oh my god - an actual SERVICE oriented company. He's dug into my odd connectivity issues I've been having - and following up in an AMAZINGLY timey manner. No shit. You'll be impressed! (And the price was also unbeatable, quick shipping...it's all PERFECT). Thank you Ed!!
Customer service was outstanding great people to deal with they understand your needs and they will do their best to fulfill them there is no way I can complain about them because they are the best help out there.Thanks green thumb depot. I'll definitely order from them again
The machine is doing just what my salesman told it would do (I appreciate you Ed thank you) . The machine is what we need for our new business we're starting up, soon to be llc and licensed. We are getting a lot of clients wanting our services. Ed I will be needing more of your products, thank you again.
Great prices, fantastic customer service, and mind blowing shipping! Incredible. Will be using again and telling anyone in need.
FAQ Section
Specifications 
| HANNA GroLine Waterproof Hydroponic pH Tester | |
|---|---|
| Product Name | HI98118 GroLine Waterproof Hydroponic pH Tester |
| SKU | HI98118U |
| pH Accuracy (@25°C/77°F) | ±0.2 pH |
| pH Calibration | Automatic, one or two points (pH 4.01, 7.01, 10.01 or Quick Cal) |
| Temperature Compensation | Automatic, 0 to 50°C (32 to 122°F) |
| Temperature Range | 0.0 to 50.0°C / 32.0 to 122.0°F |
| Temperature Resolution | 0.1°C / 0.1°F |
| Temperature Accuracy | ±0.5°C / ±1°F |
| Automatic Shut-Off | 8 minutes, 60 minutes, or disabled |
| Battery Type / Life | CR2032 Li-ion, approx. 1000 hours of continuous use |
| Environment | 0 to 50°C (32 to 122°F), RH 100% max |
| Dimensions | 160 x 40 x 17 mm (6.3 x 1.6 x 0.7 in.) |
| Weight | 75 g (2.6 oz.) |
What is included?
It includes:
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HI98118 GroLine Waterproof Hydroponic pH Tester
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Quick Cal Calibration Sachets (3 pcs.)
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Electrode Cleaning Solution Sachet
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CR2032 Li-ion Battery
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Instruction Manual
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Quality Certificate
Warranty Policy
Please check out the manufcaturers website for Warranty related issues.
