Best PH Meter for Water Cannabis in 2025
Updated on July 2025
#1
Recommended
25% Off
Free Shipping
- Auto calibration with buffer recognition for accuracy across temperatures (32 to 122°F)
- High-response Apera quality pH sensor with low impedance
- Includes rugged carrying case, pH 4 & 7 buffers, and lanyard
- Stable value recognition enhances measurement consistency
- 2000 hours of continuous use powered by AAA batteries
Read More
- Auto calibration with buffer recognition for accuracy across temperatures (32 to 122°F)
- High-response Apera quality pH sensor with low impedance
- Includes rugged carrying case, pH 4 & 7 buffers, and lanyard
- Stable value recognition enhances measurement consistency
- 2000 hours of continuous use powered by AAA batteries
#2
Value for Money
7% Off
Free Shipping
- Provides instant access to pH, EC, and temperature readings of hydroponic nutrient solutions, making it ideal for hydroponic growers.
- Features a durable design that allows for long-term immersion in hydroponic systems for continuous monitoring without removal.
- Includes necessary calibration solutions for immediate use, eliminating the need for additional preparation before first use.
- Versatile tester suitable for measuring pH and EC in various liquids including water from plants, pools, drinking sources, and aquariums.
- Backed by responsive customer service, with support available 24/7 and a range of compatible accessories offered for purchase.
Read More
- Provides instant access to pH, EC, and temperature readings of hydroponic nutrient solutions, making it ideal for hydroponic growers.
- Features a durable design that allows for long-term immersion in hydroponic systems for continuous monitoring without removal.
- Includes necessary calibration solutions for immediate use, eliminating the need for additional preparation before first use.
Read More
#3
26% Off
Free Shipping
- Suitable for home and lab testing of TDS and pH levels in aquariums and pools
- Measures pH from 0 to 14 with quick and accurate readings
- 3-in-1 TDS meter with a range of 0-9990 ppm and conductivity up to 9990 µs/cm; accurate within ± 2%
- Compact and lightweight design with a protective case for easy portability
- Includes pH meter, 3-in-1 TDS meter, and 3 calibration buffers
Read More
- Suitable for home and lab testing of TDS and pH levels in aquariums and pools
- Measures pH from 0 to 14 with quick and accurate readings
- 3-in-1 TDS meter with a range of 0-9990 ppm and conductivity up to 9990 µs/cm; accurate within ± 2%
- Compact and lightweight design with a protective case for easy portability
- Includes pH meter, 3-in-1 TDS meter, and 3 calibration buffers
#4
Free Shipping
- Optimal EC range for hydroponics is 500-2000 µS/cm; pH should be maintained between 5.5 and 6.5 for healthy plants.
- Allows for accurate monitoring and adjustment of pH and PPM values in hydroponic nutrient solutions, suitable for various water systems.
- Measures four key parameters: pH, EC, PPM, and temperature; ideal for serious growers who need comprehensive data.
- Updated probe technology offers stable readings and rapid response times for precise measurements.
- Features automatic temperature compensation for consistent readings; backlight for visibility in low light conditions; designed for long-term use.
Read More
- Optimal EC range for hydroponics is 500-2000 µS/cm; pH should be maintained between 5.5 and 6.5 for healthy plants.
- Allows for accurate monitoring and adjustment of pH and PPM values in hydroponic nutrient solutions, suitable for various water systems.
- Measures four key parameters: pH, EC, PPM, and temperature; ideal for serious growers who need comprehensive data.
Read More
#5
22% Off
Free Shipping
- 4-in-1 pH tester measuring pH, TDS, EC, and temperature with a wide range suitable for hydroponics, aquariums, drinking water, and more
- User-friendly design with a large, backlit LCD screen and one-click switching between TDS and EC values for easy readings
- Essential for assessing drinking water quality by testing pH and TDS levels; checks the effectiveness of filtration systems and filter replacements
- Reliable pH tester promoting health by ensuring clean drinking water through accurate testing for family and friends
- High-quality water testing kit featuring a titanium alloy probe for precise and dependable readings every time
Read More
- 4-in-1 pH tester measuring pH, TDS, EC, and temperature with a wide range suitable for hydroponics, aquariums, drinking water, and more
- User-friendly design with a large, backlit LCD screen and one-click switching between TDS and EC values for easy readings
- Essential for assessing drinking water quality by testing pH and TDS levels; checks the effectiveness of filtration systems and filter replacements
Read More
#6
Free Shipping
- Contains a small amount of water in the electrode cap to maintain sensitivity; normal to find droplets at first use.
- Measures pH accurately to 0.01 within a range of -2.00 to 16.00 pH and a temperature range of 32 to 122˚F (0 to 50˚C); features automatic power-off after 8 minutes of inactivity.
- Supports easy auto calibration for 1-3 points, recognizing five standard buffer solutions; includes automatic temperature compensation for precise readings.
- High-quality, replaceable glass pH probe suitable for various applications such as pools, hydroponics, environmental monitoring, and beverages.
- Large, dual-display LCD with backlit colors for easy reading of pH and temperature, including reminders for calibration and stable readings.
Read More
- Contains a small amount of water in the electrode cap to maintain sensitivity; normal to find droplets at first use.
- Measures pH accurately to 0.01 within a range of -2.00 to 16.00 pH and a temperature range of 32 to 122˚F (0 to 50˚C); features automatic power-off after 8 minutes of inactivity.
- Supports easy auto calibration for 1-3 points, recognizing five standard buffer solutions; includes automatic temperature compensation for precise readings.
Read More
#7
18% Off
Free Shipping
- 3-in-1 functionality for measuring pH, TDS, and temperature with precision for comprehensive water quality assessment.
- Automatic calibration with a sensitive glass probe, ensuring accurate measurements across a full pH range of 0-14 using standard solutions.
- High accuracy and rapid response enabled by a specialized algorithm chip, with a backlit LCD for clear readings; includes a one-button lock feature for stable measurements.
- Automatic temperature compensation provides accurate measurements between 32°F and 140°F, addressing potential inaccuracies due to temperature variations.
- Compact design for easy measurement of various water sources including aquariums, pools, and drinking water.
Read More
- 3-in-1 functionality for measuring pH, TDS, and temperature with precision for comprehensive water quality assessment.
- Automatic calibration with a sensitive glass probe, ensuring accurate measurements across a full pH range of 0-14 using standard solutions.
- High accuracy and rapid response enabled by a specialized algorithm chip, with a backlit LCD for clear readings; includes a one-button lock feature for stable measurements.
Read More
#8
Free Shipping
- A pH reader designed for monitoring water quality.
- Accurately measures acidity, alkalinity, and temperature for various applications, including gardens and aquariums.
- Sensitive glass membrane sensor provides instant and precise pH readings.
- IP-67 rated for resistance to moisture, dust, and heat.
- Includes lab-grade testing kit with ready-to-use calibration solutions for enhanced accuracy.
Read More
- A pH reader designed for monitoring water quality.
- Accurately measures acidity, alkalinity, and temperature for various applications, including gardens and aquariums.
- Sensitive glass membrane sensor provides instant and precise pH readings.
- IP-67 rated for resistance to moisture, dust, and heat.
- Includes lab-grade testing kit with ready-to-use calibration solutions for enhanced accuracy.
#9
Free Shipping
- Optimal pH range for hydroponic plants is 5.3-6.5; low pH limits nutrient access, high pH may cause leaf yellowing and stunting.
- Ideal TDS range for healthy plant growth is 700-2100 ppm, ensuring correct nutrient levels.
- Delivers precise readings at the push of a button, with an accuracy of ± 0.1 pH.
- Arrives pre-calibrated with two standard solutions for easy pH calibration.
- Features a digital LCD, automatic temperature compensation (32-122 ℉), and stable readings despite temperature variations.
Read More
- Optimal pH range for hydroponic plants is 5.3-6.5; low pH limits nutrient access, high pH may cause leaf yellowing and stunting.
- Ideal TDS range for healthy plant growth is 700-2100 ppm, ensuring correct nutrient levels.
- Delivers precise readings at the push of a button, with an accuracy of ± 0.1 pH.
- Arrives pre-calibrated with two standard solutions for easy pH calibration.
Read More
#10
Free Shipping
- Includes 1 pH meter, 1 TDS & EC meter, and 1 soil tester kit for a comprehensive testing solution.
- The digital pH meter features automatic temperature compensation; the TDS meter locks and has an auto shut-off feature, displaying water purity in PPM (not suitable for sea water). The soil tester measures soil pH levels.
- Provides accurate results with a precision of ±0.01 pH, delivering stable readings in seconds.
- User-friendly design with sensitive electrode sensors; just press "ON" for the pH and TDS meters, or insert the soil tester probes into the ground for quick results without the need for batteries.
- Compact and versatile, the pH and TDS meters are suitable for various applications, including drinking water, aquariums, and food, while the soil tester is ideal for gardens and agricultural use.
Read More
- Includes 1 pH meter, 1 TDS & EC meter, and 1 soil tester kit for a comprehensive testing solution.
- The digital pH meter features automatic temperature compensation; the TDS meter locks and has an auto shut-off feature, displaying water purity in PPM (not suitable for sea water). The soil tester measures soil pH levels.
- Provides accurate results with a precision of ±0.01 pH, delivering stable readings in seconds.
Read More
Hydrogen Water Tester For Drinking Water Digital
See All
Food Grade Ph Meter For Canning
See All
Hanna Cheese Ph Meter
See All
