Best Hydroponic Data Loggers to Boost Yields

Looking for the best hydroponic data loggers to keep your plants thriving? This guide offers a curated list of top picks to help you monitor your garden with ease and confidence.

Hydroponic gardening is a smart way to grow plants. It needs careful monitoring of water and air. The right tools make this easy and fun.

Data loggers are key helpers in this process. They track vital stats like pH, temperature, and humidity. This keeps your plants healthy and strong.

With the best hydroponic data loggers, you’ll stay in control. You’ll get alerts and updates on your phone. This guide will show you top picks to boost your garden.

List of Top 10 Hydroponic Data Loggers

Image Title Best For Price
Yewhick 24/7 Online WiFi pH EC Monitor, EC PPM pH Mete Hydroponic Nutrients Smatr Monitor, APP Online Nutrient Meter with Data Logger Function for Nutrient Reservoir Water Tank DWC Indoor Garden Yewhick 24/7 Online WiFi pH EC Monitor, EC PPM pH Mete Hydroponic Nutrients Smatr Monitor, APP Online Nutrient Meter with Data Logger Function for Nutrient Reservoir Water Tank DWC Indoor Garden

This Yewhick 24/7 Online WiFi pH EC Monitor is perfect for hydroponic gardeners and farmers who want to easily monitor and control their nutrient levels. It’s also great for anyone needing to check water quality in greenhouses, irrigation systems, or even drinking water.

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Autopilot APCEM2 Desktop Hydroponic Gardening CO2 RH Temperature Monitor and Data Logger for Greenhouse or Grow Room, White/Blue, 2 Pack Autopilot APCEM2 Desktop Hydroponic Gardening CO2 RH Temperature Monitor and Data Logger for Greenhouse or Grow Room, White/Blue, 2 Pack

It is best for plant growers. It helps you keep crops safe and strong.

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Elitech USB Digital Temperature Humidity Data Logger FDA Standards LogEt5TH Elitech USB Digital Temperature Humidity Data Logger FDA Standards LogEt5TH

The Elitech USB Digital Temperature Humidity Data Logger is perfect for anyone who needs to monitor and record temperature and humidity levels accurately. It’s ideal for life science, food storage, and industrial use, ensuring data integrity and compliance with FDA standards.

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Wrobelax Water Quality Tester Monitor, WiFi Smart 8 in 1 PH Meter Data Logger Temp TDS Salinity S.G. EC ORP High Precise Analyzer for Water Sources, Aquarium, Hydroponics Wrobelax Water Quality Tester Monitor, WiFi Smart 8 in 1 PH Meter Data Logger Temp TDS Salinity S.G. EC ORP High Precise Analyzer for Water Sources, Aquarium, Hydroponics

This Wrobelax Water Quality Tester Monitor is perfect for anyone who needs to keep water safe and healthy. It’s great for aquariums, hydroponics, pools, and more.

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Autopilot Desktop CO2 Monitor & Data Logger Autopilot Desktop CO2 Monitor & Data Logger

The Autopilot Desktop CO2 Monitor & Data Logger is perfect for growers who want to keep their plants healthy. It’s easy to use and tracks CO2, humidity, and temperature in grow rooms or greenhouses.

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Dissolved Oxygen Meter Data Logger DO Meter with Electrode Portable Digital DO & Temperature Tester with 99 Groups Recording, Dissolved Oxygen Meter Analyzer for Aquarium/Hydroponics/Ponds/Water/Home Dissolved Oxygen Meter Data Logger DO Meter with Electrode Portable Digital DO & Temperature Tester with 99 Groups Recording, Dissolved Oxygen Meter Analyzer for Aquarium/Hydroponics/Ponds/Water/Home

This Dissolved Oxygen Meter is perfect for anyone who needs to monitor water quality in aquariums, hydroponics, ponds, or home water systems. It’s easy to use and highly accurate, making it ideal for beginners and experts alike.

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Smart Water Quality Tester 5 in 1 pH TDS SG Temp Salinity Tester WiFi Water Quality Meter Data Logger pH Tester TDS Tester Remote Monitor Alarm Notification and Record for Aquarium Hydroponics Pond Smart Water Quality Tester 5 in 1 pH TDS SG Temp Salinity Tester WiFi Water Quality Meter Data Logger pH Tester TDS Tester Remote Monitor Alarm Notification and Record for Aquarium Hydroponics Pond

This Smart Water Quality Tester is perfect for anyone who wants to easily monitor and keep their water safe. It’s great for aquariums, hydroponics, or ponds, offering simple, reliable checks with alerts to your phone.

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Bluelab CONSTICK2 Connect Stick 2 for Bluelab Connect Devices (Monitor and Controller), Wireless Data Logging Kit for Hydroponic System and Indoor Plant Grow Bluelab CONSTICK2 Connect Stick 2 for Bluelab Connect Devices (Monitor and Controller), Wireless Data Logging Kit for Hydroponic System and Indoor Plant Grow

This tool is best for plant growers who want easy crop updates on a phone or computer. It helps indoor farmers track plant health fast from any place at any time.

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BLAQGFO Soil PH Tester, Smart PH Meter TDS EC S.G Temp Water Quality Tester Online Aquarium Pool Hydroponics Data Logger Monitor, Garden, Plant Cultivation BLAQGFO Soil PH Tester, Smart PH Meter TDS EC S.G Temp Water Quality Tester Online Aquarium Pool Hydroponics Data Logger Monitor, Garden, Plant Cultivation

This product is perfect for gardeners, aquarium owners, and hydroponics enthusiasts who need to monitor water quality. It’s easy to use and gives accurate readings for pH, TDS, EC, S.G, and temperature.

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Onset HOBO® MX2306 Outdoor Bluetooth Soil Moisture Data Logger Onset HOBO® MX2306 Outdoor Bluetooth Soil Moisture Data Logger

This tool is best for farmers. It is great for all plant growers.

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Detailed Reviews

Discover the top 10 Hydroponic Data Loggers in our expert-reviewed guide. Each product is carefully selected for performance, features, and value, ensuring you find the perfect fit for your needs. Whether you’re a beginner or a pro, this guide makes choosing the best hydroponic data logger simple and stress-free.

1. Yewhick 24/7 Online WiFi pH EC Monitor, EC PPM pH Mete Hydroponic Nutrients Smatr Monitor, APP Online Nutrient Meter with Data Logger Function for Nutrient Reservoir Water Tank DWC Indoor Garden

Yewhick 24/7 Online WiFi pH EC Monitor, EC PPM pH Mete Hydroponic Nutrients Smatr Monitor, APP Online Nutrient Meter with Data Logger Function for Nutrient Reservoir Water Tank DWC Indoor Garden

The Yewhick 24/7 Online WiFi pH EC Monitor keeps your hydroponic system running smoothly. It tracks pH, EC, and temperature in real time, sending alerts if levels go off.

It works automatically, adjusts nutrients and CO2, and lets you monitor everything from your phone. Simple, safe, and perfect for indoor gardens.

Pros Cons
  • Track your water quality right from your smart phone.
  • Fixes pH and nutrient levels automatically for you.
  • Get instant alerts if your levels get too high.
  • Saves your data daily to keep plants healthy.
  • Keeps your setup safe from any fast power surges.
  • Needs strong Wi-Fi to work best.
  • Can take extra time to set up.
  • Costs more than basic water meters.

Perfect For:

This Yewhick 24/7 Online WiFi pH EC Monitor is perfect for hydroponic gardeners and farmers who want to easily monitor and control their nutrient levels. It’s also great for anyone needing to check water quality in greenhouses, irrigation systems, or even drinking water.

Ready to Purchase?

2. Autopilot APCEM2 Desktop Hydroponic Gardening CO2 RH Temperature Monitor and Data Logger for Greenhouse or Grow Room, White/Blue, 2 Pack

Autopilot APCEM2 Desktop Hydroponic Gardening CO2 RH Temperature Monitor and Data Logger for Greenhouse or Grow Room, White/Blue, 2 Pack

The Autopilot APCEM2 Desktop Hydroponic Gardening CO2 RH Temperature Monitor is a powerful tool for grow room or greenhouse management. It monitors carbon dioxide, relative humidity, and temperature all at once. This 2-pack ensures you have full coverage of your growing space.

Its clear LED screen displays real-time data, and the digital memory chart records stats over 24 hours or 7 days. The trend chart shows minimum, hourly, daily, and weekly readings for CO2, RH, and temperature.

With its 2-channel NDIR gas sensor and audible alarm, you’ll always know when CO2 levels are too high or low. The compact design and multiple hanging options make it easy to use and perfect for any growing environment.

Pros Cons
  • Monitors CO2, humidity, and temperature for optimal plant growth.
  • Records data over 24 hours or 7 days for easy tracking.
  • Audible alarm alerts for low or high CO2 levels.
  • Compact and versatile with multiple hanging options.
  • No battery pack included, so you’ll need to buy one separately.
  • Limited hanging options may not suit all grow room setups.
  • No remote access to data, so you must check the device in person.

Perfect For:

It is best for plant growers. It helps you keep crops safe and strong.

Ready to Purchase?

3. Elitech USB Digital Temperature Humidity Data Logger FDA Standards LogEt5TH

Elitech USB Digital Temperature Humidity Data Logger FDA Standards LogEt5TH

The Elitech USB Digital Temperature Humidity Data Logger is a reliable tool for tracking temperature and humidity. It meets FDA standards, making it ideal for sensitive fields like life science and food storage.

This logger has upgraded features like Shadow Data Function, which protects your data even if the device stops or starts by mistake. It also generates PDF and CSV reports automatically, so you don’t need extra software.

Reusable, accurate, and easy to use. Perfect for industrial, medical, and food applications. Complies with FDA 21 CFR Part 11.

Pros Cons
  • Shadow Data Function ensures data integrity even if logger stops.
  • Auto PDF & CSV reports—no software needed, access data instantly.
  • Reusable and FDA-compliant for life science and food safety.
  • On-screen data visualization shows temperature, MKT, and more.
  • No wireless connection, limiting remote access to logged data.
  • Requires manual download for advanced settings via Elitechlog software.
  • Limited screen size may make data visualization less clear.

Perfect For:

The Elitech USB Digital Temperature Humidity Data Logger is perfect for anyone who needs to monitor and record temperature and humidity levels accurately. It’s ideal for life science, food storage, and industrial use, ensuring data integrity and compliance with FDA standards.

Ready to Purchase?

4. Wrobelax Water Quality Tester Monitor, WiFi Smart 8 in 1 PH Meter Data Logger Temp TDS Salinity S.G. EC ORP High Precise Analyzer for Water Sources, Aquarium, Hydroponics

Wrobelax Water Quality Tester Monitor, WiFi Smart 8 in 1 PH Meter Data Logger Temp TDS Salinity S.G. EC ORP High Precise Analyzer for Water Sources, Aquarium, Hydroponics

The Wrobelax Water Quality Tester Monitor is a smart 8-in-1 device that checks key water parameters like pH, TDS, and temperature. It’s perfect for aquariums, hydroponics, and more.

Easy to read with its LCD backlight display, it shows multiple measurements at once. Works day or night for clear monitoring. Switch units with one click.

Connect via WiFi using the TUYA app for real-time data. Automatically saves data for 30 days and sends it to your phone or PC. Wide use for water systems like pools and labs.

Pros Cons
  • 8-in-1 testing measures pH, TDS, salinity, and more in one device.
  • WiFi connectivity lets you monitor and save data anytime, anywhere.
  • LCD backlight ensures clear readings, even in low light.
  • Auto data logging stores results for 30 days, no manual tracking needed.
  • Versatile use for aquariums, hydroponics, pools, and more.
  • No battery backup for power outages.
  • Requires constant WiFi for real-time data.
  • Limited WiFi range in large areas.

Perfect For:

This Wrobelax Water Quality Tester Monitor is perfect for anyone who needs to keep water safe and healthy. It’s great for aquariums, hydroponics, pools, and more.

Ready to Purchase?

5. Autopilot Desktop CO2 Monitor & Data Logger

Autopilot Desktop CO2 Monitor & Data Logger

The Autopilot Desktop CO2 Monitor & Data Logger keeps your grow room or greenhouse in check. It tracks carbon dioxide, humidity, and temperature on a clear LED screen.

It has a digital memory chart that records stats for 24 hours or 7 days. The trend chart shows min, hourly, daily, or weekly readings. It also has a 2-channel gas sensor and audible alarm for CO2 levels.

It works in 32 to 122°F temperatures and 0-95% humidity. You can hang it easily with a hook-and-loop fastener. It uses a green power supply and is smartphone charger compatible.

Pros Cons
  • Track CO2, air, and heat on one clear screen.
  • Save key room stats for up to seven days.
  • Loud alarm warns you when gas levels change.
  • Works with ease using a standard phone plug.
  • Easy to hang or set up anywhere fast.
  • No battery is included in the box.
  • Not for use in extreme cold.
  • Alarm sound can be loud and annoying.

Perfect For:

The Autopilot Desktop CO2 Monitor & Data Logger is perfect for growers who want to keep their plants healthy. It’s easy to use and tracks CO2, humidity, and temperature in grow rooms or greenhouses.

Ready to Purchase?

6. Dissolved Oxygen Meter Data Logger DO Meter with Electrode Portable Digital DO & Temperature Tester with 99 Groups Recording, Dissolved Oxygen Meter Analyzer for Aquarium/Hydroponics/Ponds/Water/Home

Dissolved Oxygen Meter Data Logger DO Meter with Electrode Portable Digital DO & Temperature Tester with 99 Groups Recording, Dissolved Oxygen Meter Analyzer for Aquarium/Hydroponics/Ponds/Water/Home

Test your water fast with high accuracy. Save up to 99 data samples with ease. Keep your fish and plants healthy today.

One button makes easy calibration simple. Read results in ppm or mg/l fast.

Enjoy smart auto temperature feature now. Use this tool for your home aquarium. Get pure water quality right away.

Pros Cons
  • High accuracy readings for reliable oxygen measurements.
  • Easy calibration with one-key button and electrolyte solution.
  • Records 99 data samples for real-time tracking.
  • Multi-unit display for DO and temperature values.
  • Auto Temperature Compensation for precise results.
  • Needs manual electrolyte top-ups to stay accurate.
  • Limited memory holds only 99 data logs.
  • Extra calibration steps take time to set up.

Perfect For:

This Dissolved Oxygen Meter is perfect for anyone who needs to monitor water quality in aquariums, hydroponics, ponds, or home water systems. It’s easy to use and highly accurate, making it ideal for beginners and experts alike.

Ready to Purchase?

7. Smart Water Quality Tester 5 in 1 pH TDS SG Temp Salinity Tester WiFi Water Quality Meter Data Logger pH Tester TDS Tester Remote Monitor Alarm Notification and Record for Aquarium Hydroponics Pond

Smart Water Quality Tester 5 in 1 pH TDS SG Temp Salinity Tester WiFi Water Quality Meter Data Logger pH Tester TDS Tester Remote Monitor Alarm Notification and Record for Aquarium Hydroponics Pond

The Smart Water Quality Tester is a 5-in-1 device that checks pH, TDS, salinity, temperature, and specific gravity. It’s perfect for aquariums, hydroponics, and ponds.

Connect wirelessly to your phone via the app for 24/7 monitoring. Set alarms for pH or TDS levels and get instant notifications. Export data easily in Excel format for tracking.

Its compact design includes suction cups for easy installation. Switch between °C and °F with one-key calibration. Portable and versatile for all water needs.

Pros Cons
  • Monitor water quality anytime, anywhere with wireless connection.
  • Automatic data logging and easy export for 30 days.
  • Instant alerts when water levels are out of range.
  • One device tests 5 key water parameters effortlessly.
  • Compact and easy to install for any water setup.
  • No offline data access without a smartphone connection.
  • Limited storage to 30 days of data in the app.
  • Requires manual calibration for accurate readings.

Perfect For:

This Smart Water Quality Tester is perfect for anyone who wants to easily monitor and keep their water safe. It’s great for aquariums, hydroponics, or ponds, offering simple, reliable checks with alerts to your phone.

Ready to Purchase?

8. Bluelab CONSTICK2 Connect Stick 2 for Bluelab Connect Devices (Monitor and Controller), Wireless Data Logging Kit for Hydroponic System and Indoor Plant Grow

Bluelab CONSTICK2 Connect Stick 2 for Bluelab Connect Devices (Monitor and Controller), Wireless Data Logging Kit for Hydroponic System and Indoor Plant Grow

Track your plants from anywhere with ease. Send live data straight to your phone.

Link up to fifty tools at once. Get fast alerts on your phone. Stay in full control day and night.

Pros Cons
  • Wireless data up to 400 m in open spaces.
  • Monitor and control 50 devices with one stick.
  • Easy access to Edenic software for quick insights.
  • Get alerts on your phone or tablet anytime.
  • Needs constant internet to view data remotely.
  • Short indoor range of only 100 meters.
  • No offline data backup available.

Perfect For:

This tool is best for plant growers who want easy crop updates on a phone or computer. It helps indoor farmers track plant health fast from any place at any time.

Ready to Purchase?

9. BLAQGFO Soil PH Tester, Smart PH Meter TDS EC S.G Temp Water Quality Tester Online Aquarium Pool Hydroponics Data Logger Monitor, Garden, Plant Cultivation

BLAQGFO Soil PH Tester, Smart PH Meter TDS EC S.G Temp Water Quality Tester Online Aquarium Pool Hydroponics Data Logger Monitor, Garden, Plant Cultivation

The BLAQGFO Soil PH Tester is a 5-in-1 tool that measures pH, TDS, EC, S.G, and temperature. It’s perfect for aquariums, pools, and hydroponics. Get accurate readings every time.

It’s easy to use with a smartphone app. The Tuya module lets you monitor remotely. No complicated setup needed.

The compact design is durable and portable. Comes with all accessories for quick setup. Start monitoring water quality right away.

Pros Cons
  • Measures pH, TDS, EC, S.G, and temp for accurate results.
  • Smartphone control lets you monitor water quality remotely.
  • High precision with 0.01 pH resolution for reliable readings.
  • Durable ABS material ensures long-lasting performance.
  • Complete kit includes everything needed for easy setup.
  • No battery included, requires separate purchase.
  • Limited range for remote monitoring via smartphone.
  • Probe calibration needed regularly for accuracy.

Perfect For:

This product is perfect for gardeners, aquarium owners, and hydroponics enthusiasts who need to monitor water quality. It’s easy to use and gives accurate readings for pH, TDS, EC, S.G, and temperature.

Ready to Purchase?

10. Onset HOBO® MX2306 Outdoor Bluetooth Soil Moisture Data Logger

Onset HOBO® MX2306 Outdoor Bluetooth Soil Moisture Data Logger

Track soil water levels with ease. This tough outdoor tool handles real dirt. Get clear data right on your phone.

Send live stats straight to your screen using fast Bluetooth. You can check smart updates in seconds.

Enjoy long power with a two-year battery. Mount it anywhere with simple zip ties.

Pros Cons
  • Durable sensor ensures accurate soil moisture readings in any condition.
  • Wireless Bluetooth sends data directly to your phone or tablet.
  • Long-lasting battery runs up to 2 years with easy replacement.
  • Simple mounting with included screws and zip ties for quick setup.
  • Free app available on iOS and Android for easy monitoring.
  • Limited to Bluetooth range for data transfer.
  • No real-time alerts or notifications for moisture levels.
  • Battery replacement required after 2 years of use.

Perfect For:

This tool is best for farmers. It is great for all plant growers.

Ready to Purchase?

Buying Guide

Hydroponic data loggers help you grow healthy plants. They track vital stats like pH and temperature around the clock. Choosing the right tool keeps your garden strong.

Many growers love how easy these devices make daily care. You can check live updates on your phone while relaxing at home. Receiving instant alerts gives you total peace of mind and saves your crops from harm.

  • Measured Parameters: Look for tools that track pH, EC, and temperature. Some options also monitor CO2 and air humidity. Pick a device that matches your exact garden needs.

  • Connectivity Options: Devices use WiFi or Bluetooth to send live data. WiFi loggers let you check stats from any location. Bluetooth models work best when you are near the grow room.

  • Alert System: Quality loggers send instant notifications to your mobile phone. They warn you if nutrient levels drop too low. This lets you fix water problems before plants suffer.

  • Data Storage: Check how long the device saves history. Some record 24 hours of stats, while others store 30 days. Look for models that let you export logs to a computer file.

  • Ease of Setup: Choose loggers with clear screens and simple apps. Strong suction cups or hooks make mounting fast and easy. One-click calibration also saves you time and effort.