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00 Company support - aero-gro is a usa-based company. Kit includes buffering powders and video instructions for recalibrating the pH meter. We also have a growing library of helpful how-to videos covering hydroponics, aeroponics, aquariums, and more.
Meter features automatic Temperature Compensation ATC and can be calibrated with the included buffer powders. Automatic temperature compensation ATC ensures accuracy in all testing modes. A detailed how-to video on the aero-gro website explains the recalibration procedure. We offer additional warranty coverage and full product support via the aero-gro website.

Made in new zealand and manufactured by Bluelab, the industry leader in hydroponic testing equipment, built for grower; 2-Year Limited Warranty with proof of purchase.
Conductivity pen can test and monitor your nutrients TDS level to maximize your grow and ensure plants get the balanced feed they need; General uses include growing tent, drinking water, swimming pool, fish tank, aquarium, and brewing.

Worry-free environment – we at cityfarmer believe everyone deserves to live in a worry-free environment. You can also use this meter to check the temperature of a variety of liquid, tap water, aquarium tank, drinking water, pool water, hydroponic nutrient, monitor if Reverse Osmosis RO/DI System works properly, or any other agriculture purpose.
Press the hold button then lift the meter to get the reading without any stress. If you are not happy with our product, just drop us an email thru seller feedback, we will send you a replacement without question asked. Accurate and reliable: this water testing meter, equipped with premium quality probe, and reliable Automatic TemperatureATC ensures reading always be accurate at different temperatures. It can be using in testing the quality of a variety of liquid, pool water, whereas tap water, or any other agriculture purpose.


24/7 dedicated support team - with more than 20 years of experience in the water testing industry, our devoted team of EPA water quality experts are ready to offer timely and informative responses based on your needs. Supports non-profit charity - each sale sponsors clean water for someone in the Central African Republic for a year.
Your question is just one click away from a live team member. Test confidently knowing that your strips are sealed for guaranteed freshness and reliability. Easy to read results - the oversized color chart makes reading your results effortless. Simply dip the strip into the water and compare it to the large color chart on the bottle. Support worldwide change while monitoring your water hardness. Enjoy consistently accurate and reliable results whenever you need them.

This hydroponics tester has atc that provides consistent reading regardless of any fluctuations in temperature; High and low alarm when outside parameters, data logging with Bluelab Connect software. Made in new zealand and manufactured by bluelab, the industry leader in hydroponic testing equipment, built for growers; 2-Year Limited Warranty with proof of purchase 6-month warranty for pH probe.

Made in new zealand and manufactured by bluelab, the industry leader in hydroponic testing equipment, built for growers; 2-Year Limited Warranty with proof of purchase 6-month warranty for pH probe. Lab quality glass ph probe with easy two point calibration; Conductivity / temperature probe comes factory calibrated so it's ready to be used; Double junction probe is more accurate than test strips and drops.
This hydroponics tester has atc that provides consistent reading regardless of any fluctuations in temperature; High and low alarm when outside parameters, selectable units include TDS, ppm 500, EC, ppm 700 and CF.

Large measurement range; 4 to 60 cf, 04 to 6. 0 ec, 280 to 4200 ppm ec x 700; general uses include gardening, 200 to 3000 ppm EC x 500, hydroponics growing tent and reservoir. Quickly monitor for precise up and down of your nutrient TDS level in solution to maximize your grow and ensure plants get the balanced feed they need; Measures while mixing nutrients in your tank.

Besides, the auto-off function of Hofun salt tester also saves energy to avoid changing batteries frequently. Wide application meter: hofun digital water salinity test meter applies for multiple uses, like swimming pool salt water test, koi fish, seawater, aquariums & marine monitoring.
This is not only been convenient for you, but also saves your time and money, totally a helpful water test kit for your water quality safety. Automatic shut-off for energy saving: hofun 5 in 1 water salinity meter includes 3*LR44 batteries to provide sufficient energy of continuous testing. For swimming pool salt test : 0-9999ppm; seawater test: 10-200ppt 1ppt=1000ppm, when ppm figure is over 9999ppm, you don’t have to calculate complex salt content level numbers between different units, the meter automatically changes to ppt.

Conveniently test ph & salt level of pool equipped with salt chlorinator systemciztada ph tester and salinity tester combo can help check the pH level Ideal pH level: 7.
It makes the measurement work easy and convenient. Meet your various liquid testing needs. Works for hydroponics, indoor plant grow, salinity, DWC and aquaponics. Fully monitor ph & salt & s. G & temp value for saltwater aquariumsthe ph meter and salinity tester combo specially designed for aquarists to monitor saltwater aquariums. Automatic temperature Compensation provides consistent reading regardless of any fluctuations in temperature.
1. Aero-Gro
#ad
Wine/Beer Making, Pools, AERO-GRO Digital 4-in-1 Water Quality Testing Kit, High Accuracy Digital pH/TDS/EC/Temp Pen Set Perfect for Hydroponics, Hot Tub, Spa, Aquarium, Drinking Water, Koi Ponds
#adAero-Gro #ad - Tds and ec - measure ppm and ph in hydroponics, wine making, water, pools, aquarium, and more. The slim profile of these meters allows them to be easily carried in your pocket. Ph meter - measure the ph of any liquid from 000 -14.00 Company support - aero-gro is a usa-based company. Kit includes buffering powders and video instructions for recalibrating the pH meter. We also have a growing library of helpful how-to videos covering hydroponics, aeroponics, aquariums, and more.
More information #ad
Portable and easy to read - the large, high-contrast display is easy-to-read in either bright sunlight, lighted, or under bright grow lights. Reliable + accurate - high-quality sensors and temperature compensation for accuracy and reliability. Meter features automatic Temperature Compensation ATC and can be calibrated with the included buffer powders. Automatic temperature compensation ATC ensures accuracy in all testing modes. A detailed how-to video on the aero-gro website explains the recalibration procedure. We offer additional warranty coverage and full product support via the aero-gro website.
Brand | Aero-Gro #ad |
Manufacturer | Sanctuary Industries LLC #ad |
Part Number | AG1000 |
More information #ad
2. bluelab
#ad
Water Tester for Temperature and Nutrient CF, PPM 500, TDS Testing Kit for Hydroponic System and Indoor Plant Grow, PPM 700, Bluelab PENCON Conductivity Pen and Digital TDS Meter, EC
#adbluelab #ad - This hydroponics tester has atc that provides consistent reading regardless of any fluctuations in temperature; Durable design for repeated uses and fully waterproof and it floats in any solution. Calibration optional, ppm700, ppm 500, the meter comes factory calibrated so it's ready to be used; Regular cleaning is recommended for accurate reading; Different units are available EC, and CF.Made in new zealand and manufactured by Bluelab, the industry leader in hydroponic testing equipment, built for grower; 2-Year Limited Warranty with proof of purchase.
More information #ad
Combine with our ph pens and meters for full garden nutrient monitoring in water and soil; Other features: Auto off function, units for temperature; KIT INCLUDES: AAA battery, low battery indicator, probe care kit is sold separately. Conductivity pen can test and monitor your nutrients TDS level to maximize your grow and ensure plants get the balanced feed they need; General uses include growing tent, drinking water, swimming pool, fish tank, aquarium, and brewing.
Brand | bluelab #ad |
Manufacturer | Bluelab Corporation Limited - Import (NZ) #ad |
Height | 1.3 Inches |
Length | 9.8 Inches |
Weight | 0.24 Pounds |
Width | 2.2 Inches |
Part Number | BLU2221 |
Model | PENCON |
Warranty | One year free repair or replacement guarantee |
More information #ad
3. CityFarmer
#ad
Comes with Carrying case, 0-9999ppm., Aquarium Water, CityFarmer TDS Meter, Accurate and Reliable, Household Drinking Water, Pool, Hydroponic Nutrient Meter, Water Quality Tester
#adCityFarmer #ad - Use this meter to ensure all the water/liquids in your house are in quality conditions. Great value – our tds meter provides a cost-effective way to test drinking water purity to ensure it's healthy, again, whether filter need replaced. Hassle-free customer experience – we at cityfarmer stand by 100% customer satisfactions.Worry-free environment – we at cityfarmer believe everyone deserves to live in a worry-free environment. You can also use this meter to check the temperature of a variety of liquid, tap water, aquarium tank, drinking water, pool water, hydroponic nutrient, monitor if Reverse Osmosis RO/DI System works properly, or any other agriculture purpose.
More information #ad
In addition to testing the quality. Easy and quick – just turn on the meter, drinking water, and stick into the testing liquid, hydroponic nutrient, aquarium tank, and you get the reading right away. Press the hold button then lift the meter to get the reading without any stress. If you are not happy with our product, just drop us an email thru seller feedback, we will send you a replacement without question asked. Accurate and reliable: this water testing meter, equipped with premium quality probe, and reliable Automatic TemperatureATC ensures reading always be accurate at different temperatures. It can be using in testing the quality of a variety of liquid, pool water, whereas tap water, or any other agriculture purpose.
Brand | CityFarmer #ad |
Manufacturer | CityFarmer #ad |
Height | 1.18 Inches |
Length | 6.1 Inches |
Weight | 0.11 Pounds |
Width | 1.06 Inches |
More information #ad
4. TenYua
#ad
TenYua TDS Digital Salinity Tester/Meter for Salt Water Pool & Fish/Koi Pond Testing
#adTenYua #ad - The tds table can acquire test data in 5 seconds, while the digital TDS table has an accuracy of +2% and a measurement range of 0-9 990 ppm. Digital salt Salinity Tester Meter. The digital tds tester has the function of ATC, and the test data will not be affected by water temperature.More information #ad
Tds pen tester has compact size and light weight, easy to carry. Notice: when you use again, or it will effect your reading. Or change the new battery to use. Automatic shutdown function, you should wash by the clearly water, easy to use.Brand | TenYua #ad |
Manufacturer | TenYua #ad |
Part Number | 233225321566-1 |
More information #ad
5. VARIFY
#ad
Etc. | 0-425 ppm | Calcium and Magnesium Total Hardness 150 Strips, Premium Water Hardness Test Kit | Fast and Accurate Hard Water Quality Testing Strips for Water Softener Dishwasher Well Spa Pool
#adVARIFY #ad - WaterforGood #CleanWaterWorldwide. Compare your results from red to green, with values of 0-25 GPG and 0-425 PPM. Quick and accurate - save time and get accurate test results within seconds. No need to visit a store or wait for someone else to test the quality of your water.24/7 dedicated support team - with more than 20 years of experience in the water testing industry, our devoted team of EPA water quality experts are ready to offer timely and informative responses based on your needs. Supports non-profit charity - each sale sponsors clean water for someone in the Central African Republic for a year.
More information #ad
Simply empty the refill pouch into the bottle once the initial strips are used up. Varify freshseal extended shelf life - this kit includes a ready to use bottle and two separately sealed pouches of 50 strips. Your question is just one click away from a live team member. Test confidently knowing that your strips are sealed for guaranteed freshness and reliability. Easy to read results - the oversized color chart makes reading your results effortless. Simply dip the strip into the water and compare it to the large color chart on the bottle. Support worldwide change while monitoring your water hardness. Enjoy consistently accurate and reliable results whenever you need them.
Brand | VARIFY #ad |
Manufacturer | VARIFY #ad |
Height | 4.7 Inches |
Length | 2.2 Inches |
Weight | 0.17 Pounds |
Width | 2.2 Inches |
Part Number | VarifyTH |
Model | VarifyTH |
More information #ad
6. bluelab
#ad
Bluelab MONGUACON Guardian Monitor Connect for pH, Nutrient Meter for Hydroponic System and Indoor Plant Grow, Temperature, and TDS in Water with Data Logging Connect Stick not Included
#adbluelab #ad - Lab quality glass ph probe with easy two pointcalibration; Conductivity / temperature probe comes factory calibrated so it's ready to be used; Double junction probe is more accurate than test strips and drops. Combine with bluelab pen and meter for full garden nutrients monitoring in soil; Other features: International power supply, EC probe and pH probe, water resistant design; KIT INCLUDES: Calibration solution, probe care kit and connect stick sold separately.More information #ad
Monitor ph up and down, temperature, ppm 500, nutrient tds level in water to maximize your grow and ensure plants get a balanced feed; General uses includes growing tent and reservoir; Selectable conductivity units include TDS, ec, ppm 700 and CF. This hydroponics tester has atc that provides consistent reading regardless of any fluctuations in temperature; High and low alarm when outside parameters, data logging with Bluelab Connect software. Made in new zealand and manufactured by bluelab, the industry leader in hydroponic testing equipment, built for growers; 2-Year Limited Warranty with proof of purchase 6-month warranty for pH probe.
Brand | bluelab #ad |
Manufacturer | Bluelab Corporation Limited - Import (NZ) #ad |
Height | 5.2 Inches |
Length | 3.6 Inches |
Weight | 0.9 Pounds |
Width | 8.5 Inches |
Part Number | MONGUACON |
Model | BLU8001 |
More information #ad
7. bluelab
#ad
Temperature, 3 in 1 Digital Nutrient Meter for Hydroponic System and Indoor Plant Grow White, Bluelab MONGUA Guardian Monitor for pH, and Conductivity TDS Measurements in Water with Easy Calibration
#adbluelab #ad - Monitor ph up and down, ppm 500, ec, temperature, nutrient tds level in water to maximize your grow and ensure plants get a balanced feed; General uses includes growing tent and reservoir; Selectable conductivity units include TDS, ppm 700 and CF.Made in new zealand and manufactured by bluelab, the industry leader in hydroponic testing equipment, built for growers; 2-Year Limited Warranty with proof of purchase 6-month warranty for pH probe. Lab quality glass ph probe with easy two point calibration; Conductivity / temperature probe comes factory calibrated so it's ready to be used; Double junction probe is more accurate than test strips and drops.
More information #ad
Combine with bluelab pen and meter for full garden nutrients monitoring in water and soil; Other features: International power supply, EC probe and pH probe, water resistant design; KIT INCLUDES: Calibration solution, probe care kit is sold separately. This hydroponics tester has atc that provides consistent reading regardless of any fluctuations in temperature; High and low alarm when outside parameters, selectable units include TDS, ppm 500, EC, ppm 700 and CF.
Brand | bluelab #ad |
Manufacturer | Bluelab Corporation Limited - Import (NZ) #ad |
Height | 1.57 Inches |
Length | 7.6 Inches |
Weight | 0.48 Pounds |
Width | 4.92 Inches |
Part Number | 716336 |
Model | BLU27100 |
Warranty | Two year free repair or replacement guarantee. 6 month guarantee for ph probe |
More information #ad
8. bluelab
#ad
Ppm 700, Bluelab TRUNCOMV2 Commercial Truncheon Nutrient Meter with Increased Measurement Range, Tool for Hydroponic System and Plant Grow, CF Tester in Water, ppm 500, Digital Conductivity TDS, EC
#adbluelab #ad - Comes factory calibrated so no calibration required and is fully waterproof; Automatic Temperature Compensation provides consistent reading regardless of any fluctuations in temperature. Combine with ph tester and other meters for full garden nutrients monitoring in water; Other features: Auto off function, no buttons or switches; KIT INCLUDES: AA batteries, Truncheon case, probe care kit sold separately; Packaging may vary.More information #ad
Made in new zealand and manufactured by Bluelab, the industry leader in hydroponic testing equipment, built for growers; 5-Year Limited Warranty with proof of purchase. Large measurement range; 4 to 60 cf, 04 to 6. 0 ec, 280 to 4200 ppm ec x 700; general uses include gardening, 200 to 3000 ppm EC x 500, hydroponics growing tent and reservoir. Quickly monitor for precise up and down of your nutrient TDS level in solution to maximize your grow and ensure plants get the balanced feed they need; Measures while mixing nutrients in your tank.
Brand | bluelab #ad |
Manufacturer | Bluelab Corporation Limited - Import (NZ) #ad |
Height | 1.5 Inches |
Length | 16.4 Inches |
Weight | 0.5 Pounds |
Width | 1.5 Inches |
Part Number | BLU2100E |
Model | BLU2100E |
More information #ad
9. Hofun
#ad
Seawater & Koi Fish, Aquariums, IP67 Waterproof Salinity Water Test Kit, 0-200ppt, High Accuracy, 5 in 1 Salinity + TDS + EC + PH + Temp Meter for Salt Water, Hofun Pool Salinity Tester Digital, Pool
#adHofun #ad - For different applications, which help you to avoid calculating mistake and also makes result-reading easier for you. All you need to do is to turn the meter ON and click MODE button to shift to SALINITY function. Easy operation for water quality test: when you want to use this salt tester, there is only two-step operation waiting for you.Besides, the auto-off function of Hofun salt tester also saves energy to avoid changing batteries frequently. Wide application meter: hofun digital water salinity test meter applies for multiple uses, like swimming pool salt water test, koi fish, seawater, aquariums & marine monitoring.
More information #ad
For food Test : 001-25%. There are three display designs for different salinity test applications: ppm + ppt + %. Hofun multifunctional water test meter is equipped with 5 functions for water quality test: Salinity + TDS + EC + PH + Temperature are combined perfectly in one meter. This easy and convenient operation design is very considerate and offers premium experience. This is not only been convenient for you, but also saves your time and money, totally a helpful water test kit for your water quality safety. Automatic shut-off for energy saving: hofun 5 in 1 water salinity meter includes 3*LR44 batteries to provide sufficient energy of continuous testing. For swimming pool salt test : 0-9999ppm; seawater test: 10-200ppt 1ppt=1000ppm, when ppm figure is over 9999ppm, you don’t have to calculate complex salt content level numbers between different units, the meter automatically changes to ppt.
Brand | Hofun #ad |
Manufacturer | Hofun #ad |
Part Number | 9908 |
More information #ad
10. CIZTADA
#ad
CIZTADA pH Meter and Salinity Meter Combo for Saltwater Pool 6 in 1 pH Salt SG EC TDS Temp Meter for Reef Aquarium Seawater Tank Koi Fish Pond PPM and pH Water Tester for Hydroponics Nutrients Growing
#adCIZTADA #ad - Uses a three-point calibration method that automatically identifies the calibration solution. Perfect for swimming pool, hot tub and spa. The lcd backlight makes the meter easy to read even in dark, it ensures that you don't misread the screen. Obtain reliable ph & ec value of hydroponic nutrientthe multi-parameter water test kit accurately measures the pH, EC electrical conductivity of nutrient solutions in hydroponic systems.Conveniently test ph & salt level of pool equipped with salt chlorinator systemciztada ph tester and salinity tester combo can help check the pH level Ideal pH level: 7.
More information #ad
2-7. 8 and salt level ideal level: 2700-3400 ppm of the saltwater pool with salt chlorinator system. Fit for reef aquariums, freshwater tank, seawater tank and koi fish pond. It makes the measurement work easy and convenient. Meet your various liquid testing needs. Works for hydroponics, indoor plant grow, salinity, DWC and aquaponics. Fully monitor ph & salt & s. G & temp value for saltwater aquariumsthe ph meter and salinity tester combo specially designed for aquarists to monitor saltwater aquariums. Automatic temperature Compensation provides consistent reading regardless of any fluctuations in temperature.
Brand | CIZTADA #ad |
Manufacturer | CIZTADA #ad |
Part Number | CZ-217 |
More information #ad