Choosing the best pH meter can be a difficult process. Even hydroponic gardening might feel like a college-level science class at times!
Growers, unlike those who rely on soil, must keep meticulous records of every step of the process. Tracking the pH of your nutrient solution and the quality of your water are critical. Monitoring your fertilizer solution might lead to unhealthy plants and an overwhelming amount of irritation, if you don't do so.
When I initially started hydroponically growing plants, I didn't give much thought to the quality of the water I was using. In conventional soil gardening, a stockpile of lime and compost ensured that my soil's pH was maintained at the desired level. Hydroponics, on the other hand, necessitates a higher level of precision. Using the best hydroponic pH meters to keep tabs on your plants' pH levels makes perfect sense.
Bluelab PENCON Conductivity Pen and Digital TDS Meter, Water Tester for Temperature and Nutrient (CF, EC, PPM 500, PPM 700), TDS Testing Kit for Hydroponic System and Indoor Plant GrowView on Amazon
- BrandHanna Instruments
Hofun TDS Meter, 3 in 1 TDS, EC & Temperature Meter, Accurate & Reliable PPM Meter, Digital Water Testing kits for Drinking Water Quality, Tap, Well, Swimming Pool, Aquarium, RO/DI System, HydroponicsView on Amazon
Hanna Instruments HI 9813-6N Waterproof pH/EC/TDS Temperature Meter Clean and Calibration Check for Growers, 0 to 50 Degree C, 9V BatteryView on Amazon
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Milwaukee MW802 LED Economy Portable pH/EC/TDS Meter with 1 Point Manual Calibration, 0.0 to 14.0 pH, +/-0.1 pH Accuracy, +/-0.2 pH ResolutionView on Amazon
HYQELEO TDS Meter Digital Water Tester,TDS EC & Temperature Meter 3 in 1, Ideal PPM Meter for Drinking Water,RO System Aquariums Swimming Pool and More, 0-9990 ppm meterView on Amazon
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- BrandApera Instruments
VIVOSUN pH and TDS Meter Combo, 0.05ph High Accuracy Pen Type pH Meter ± 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter for Hydroponics, Household Drinking, and Aquarium, UL CertifiedView on Amazon
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KETOTEK Digital Water TDS Meter PH Meter, PPM Tester has TDS-EC-Temp (3-in-1) and ±2% Accuracy, PH Tester with 0-14.00PH and 0.01 Accuracy, TDS PH Meters for Aquariums Water, Hydroponics, RO SystemView on Amazon
3 in 1 Water Quality Multi-Parameter pH EC Temperature Meter Tester Monitor Sensor Probe Test Kit ATC Waterproof black-light for Aquariums Hydroponics Laboratory Pool Spa Drinking waterView on Amazon
VIVOSUN 4-in-1 Digital pH Meter with pH/TDS/EC/Temp Function, 0-14.0 pH Measurement Range, ±0.1 pH Accuracy Water Quality Tester for Hydroponics, Household Drinking, and AquariumView on Amazon
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pH/EC Conductivity Meter with ATC Water Quality Tester 0.0-14.0pH / 0~19.99ms/cm Aquarium, Hydroponics ToolView on Amazon
Last update on 2023-09-28 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API
Bluelab pH Pen Pocket Tester
One of the best-known brands in pH and EC meters is Bluelab. They offer high-quality, long-lasting hydroponics equipment that is simple to use.
In addition to measuring voltage and current, the Bluelab PENCON EC meter also provides temperature readings in both Celsius and Fahrenheit. This meter can give you readings in many formats, including EC, CF, PPM 500, and PPM 700, among others. You may find the formula for converting EC to PPM further in the article.
There is a range of zero to one hundred and one EC, and this meter is able to distinguish between 0.1 and one hundredth of an EC. This EC pen has a long-lasting and waterproof body. Smart technology allows the probe to automatically alter its measurements in response to changes in the ambient temperature.
The accuracy of the thermometers is between one and two degrees Celsius.
Bluelab PENCON, on the other hand, comes pre-calibrated from the factory. Both EC and temperature values are shown on a single LCD screen The battery is included in the packaging, so you can start using it right away.
This device comes with a one-year limited guarantee, however it can only be used with evidence of purchase during that year. To be eligible for warranty coverage, you must have your original receipt.
Apera Instruments, LLC-AI314 Premium EC60
Gardeners on the run will appreciate Apera LLC-AI 314 premium electronic pen hydroponics system because it is the only one of its kind. Every time you use it, it utilizes a platinum sensor probe to ensure that you get the most precise findings.
EC and temperature readings are shown on the LCD display at the top of the gadget. The display lights are color coded. Measurement is done in blue, while calibration is done in green. Aside from EC and TDS, the display also shows temperature and salinity. The IPV 67 rating ensures that it will not be harmed by water.
EC meters have a range of 0 to 20 mS/cm. It is possible to calibrate EC using the ambient temperature, which is taken into consideration by the auto temperature calibration. It has a temperature range of up to 50°C.
There is a pre-mixed conductivity solution with an EC of 1413 uS/cm and a second one with an EC of 12.88 mS/cm in the plastic kit that comes with this product. In addition, the carrying case includes calibration bottles, storage solutions, AAA batteries, a lanyard, and a short guide.
All in all, the Apera EC meter kit is a wonderful solution for novices who want to learn more about hydroponics and get the most out of their harvest.
VIVOSUN TDS Tester 3-in-1
Hydroponic testing equipment from VIVOSUN is among the most affordable on the market. Even if you're not interested in hydroponics, you may still use this to measure the EC or TDS of your drinking or irrigation water.
In terms of the meter's parameters, the TDS, EC, and temperature outputs can be seen on a digital display. This probe cannot be used to test pH levels.
TDS can be measured between 0-9990 PPM and EC may be measured between 0-9990 uS/cm and 0-9.9 mS/cm with this equipment. To accurately measure the EC of any hydroponic fertilizer solution, you may need to calibrate the equipment at home.
Beginners will find this EC meter straightforward to use and inexpensive. If you're looking for an easy way to measure EC and TDS levels in water, this device is for you. Because I believe it will function as well in hydroponic solutions, I've included it on this list.
It's important to keep in mind that this meter may not be the most precise, but it's an excellent learning tool for hydroponics beginners and those with an indoor setup.
Bluelab MONGUA Guardian Monitor
With the Bluelab MONGUA, hydroponic growers can have the most accurate EC meter on the market today. For a more professional hydroponic set-up, this is the ideal choice. Temperature and pH levels can also be monitored in real time using this device.
In other words, if you're just starting off, you might want to avoid this one.
If you want to keep an eye on your nutrient solution, reservoir, or climate-controlled greenhouse environment at all times, this hydroponic equipment is for you. To keep tabs on your hydroponic system, just mount the gadget to a wall using the included mounting hardware.
Accurate measurements in EC, CF, PPM 500 and PPM 700 units are provided by the Bluelab MONGUA. It is measured in Celsius (C/F) and the pH value on the standard pH scale, respectively.
This EC meter has an LCD green display that sets it apart from the rest. Hydroponic plants benefit from the display's green light as well. As a gadget that is constantly monitored, this is critical. On top of it, the panel has simple push buttons for changing units.
Calibration buffer solution, an international power supply, and a two-year limited warranty are included in the package.
Why use an EC meter in hydroponics?
EC meters might be confusing for those who are just starting out with hydroponics. Well, I was the same way when I first started. In hydroponics, an EC meter is absolutely necessary.
An EC meter is used to measure the concentration of nutrients in the hydroponic solution, as you already know. As a result, it's critical to the health of your hydroponic system.
The hydroponic solution we use to start a system is within the appropriate pH and PPM ranges. In order to prepare a gallon of fertilizer solution, we follow the manufacturer's instructions.
Because of this, when the plant matures, the hydroponic fertilizer solution begins to absorb, and temperature is also a factor. This alters the hydroponic solution's concentration level, which can lead to wilting or bolting and finally death if not addressed.
A more alkaline solution will have a higher pH, so check to see if the water you're using to generate the hydroponic solution contains more than 75 ppm of bicarbonates. As a result, the PPM levels in your water and solution must be checked using an EC meter.
Acidic fertilizers like phosphoric acid, citric acid, or vinegar can be used to lower the pH level of your hydroponic nutrition solution.
The EC of the hydroponic solution must be checked frequently and corrected if it becomes too high or too low. Nutrient management is another term for this procedure, which necessitates the use of an EC meter.
An EC meter is essential in hydroponics, and I'm sure you now understand why.
How Does a pH Meter Measure pH?
Now that we've established the importance of pH monitoring for hydroponic garden growth, it's time to examine the operation of these meters.
Using your pH meter, you may determine the hydrogen-ion content in the water. The difference in electrical potential between a reference electrode and a test electrode reveals whether the solution is acidic or alkaline.
I'll make things easy for myself because I'm having a hard time comprehending this. Both the glass electrode and the reference electrode in your meter are sensitive to hydrogen ions. Using the pH meter, you can alter your solution based on the difference between the two readings.
Does hydroponics necessitate the use of EC meters?
Hydroponic systems do require the use of an EC meter. An EC meter is used to measure the nutrient solution's concentration in hydroponics. Aside from reducing bacteria and fungi, it also assists in identifying the core reason of a change in the EC of your solution.
Hydroponics EC control: what are the options?
You should know the ideal range of EC levels for the plant you are growing in order to control the EC of your hydroponic fertilizer solution. In this essay, I've included a detailed EC reading list. To increase the EC if it is lower than the optimum level, add additional fertilizer, while diluting it if it is higher than the optimum level.
Are EC and PPM the same?
Electronic conductivity is abbreviated as EC, whereas parts per million is abbreviated as PPM. In order to determine the amount of nutritional components present in a solution, use of an EC meter is required. Both EC and PPM units can be used to quantify this quantity. In our homes, PPM is a popular phrase because it is used to monitor the level of contamination in our drinking water. As a result, EC of nutrient solution is commonly measured in parts per million (PPM). While using the PPM 500 scale, 1 EC is equal to EC times 500; when using the PPM 700 Scale, it is equal to EC x 700. (U.K.).
EC is affected by pH changes.
Yes, a drop in pH in your nutrient solution might lead to an increase in the solution's electrical conductivity (EC). A decrease in pH causes an acidic solution, increasing the concentration of acidic components and decreasing the absorption of neutral and alkaline elements by the plant.
For hydroponic tomatoes, what should be the EC value
Hydroponic tomatoes should have an EC of between 2.0 and 4.0, depending on the variety. For the PPM 500 scale, the PPM should be between 1000 and 2000, and between 1400 and 2800 for the PPM 700 scale.
My EC meter needs to be calibrated.
What to consider when looking for an EC meter?
It's not easy to choose the best electro conductivity meter. However, if you're looking for the best EC meter, there are a number of factors to consider.
Accurate reading, hold function, waterproof/water-resistance, shockproof, battery level indicator, and automatic shut-off are a few of the features offered by this device.. Almost all of these features are expected in a high-quality electrical conductivity meter.
If you don't take the time to maintain your pH meter, all of your calibration efforts will be for naught.
When you receive a new pH meter, the first thing you should do is read the included handbook, no matter how tedious it may be. pH meters come with detailed instructions on how to use and maintain them. Call the manufacturer if they don't.
To use a pH meter properly, you must perform the following steps:
- Take the time to read through the instructions.
- It's best to keep it calibrated at all times
- Store meters upright in the cap for optimal saturation with storage solutions.
- Make sure there are no air bubbles in the solution by gently swirling your meter in it.
- Touching the sensor electrode or the reference cell can harm the sensor and influence results if you have oil on your skin.
- Keep out of direct sunlight and heavy humidity.
- Using distilled water to store your sensor is a bad idea.
- Carefully handle