pH / EC / TDS Meters

20 products

pH, EC, and TDS meters help ensure plants receive water and nutrients in the right balance. The pH / EC / TDS Meters collection features easy-to-use testing tools designed to measure acidity, nutrient strength, and dissolved solids in water.

Accurate readings allow you to adjust feeding and watering routines before problems arise. Monitoring pH helps prevent nutrient lockout, while EC and TDS measurements ensure nutrient solutions are neither too weak nor too strong. These tools take the guesswork out of plant care and support more consistent growth.

Ideal for indoor plants, hydroponic systems, propagation, and routine maintenance, pH / EC / TDS Meters provide reliable insight for healthier plants and better results.

Sold Out

Alfred - Precision pH and Temp Monitor - Water-Resistant, Multi-Use Tester

$64.95

Ensure precise pH and temperature measurements with the Alfred Digital pH/Temperature Water Resistant Tester. Designed for versatility, this economical yet reliable pH meter is perfect for various ...

Sold Out

Future Harvest - pH Down – Precise pH Control for Optimal Plant Growth

from $15.96

Achieve and maintain the ideal pH balance in your nutrient solutions with Future Harvest's pH Down. This 1 or 4-litre solution is formulated to effectively lower pH levels, ensuring your plants can...

Sold Out

Future Harvest - Citric pH Down – Natural pH Adjuster

from $10.95

Maintain optimal pH levels in your nutrient solutions with Future Harvest's Citric pH Down. This 1-litre solution utilizes natural citric acid to safely lower pH, ensuring your plants absorb nutrie...

Sold Out

Bluelab - pH Pen - Waterproof pH and Temperature Meter for Accurate Readings

$157.00

Achieve precise pH and temperature measurements with the Bluelab pH Pen, a robust and fully waterproof handheld meter designed for growers. This user-friendly tool ensures accurate readings, making...

Sold Out

Alfred Digital - EC/TDS/Temperature Hydro Tester - Precision Water Meter

$39.95

Enhance the precision of your water quality monitoring with the Alfred Digital EC/TDS/Temperature Hydro Tester. Designed for a wide range of applications including hydroponics, aquariums, pools, an...

Sold Out

Bluelab - pH & Conductivity Probe Care Kit - Clean, Calibrate & Maintain Probes

$38.00

Ensure the accuracy and longevity of your pH and conductivity probes with the Bluelab pH & Conductivity Probe Care Kit. This all-in-one kit provides everything you need to clean, calibrate, and...

Sold Out

Hanna - HI 981030 GroLine Soil pH Tester for Direct Soil Measurements

$149.95

Hanna HI 981030 GroLine Soil pH Tester - Simplified Soil pH Testing for Agriculture and Environment The Hanna HI 981030 GroLine Soil pH Tester is designed to bring simplicity and accuracy to pH tes...

Sold Out

Hanna - HI 7007L pH 7.01 Buffer Solution - 500ml Calibration Solution

$17.50

Hanna HI 7007L pH 7.01 Buffer Solution - Premium Calibration for Accurate pH Measurements Achieve precise and reliable pH measurements with the Hanna HI 7007L pH 7.01 Buffer Solution. This 500ml ca...

Sold Out

Future Harvest - pH Up – Precise pH Control for Optimal Plant Growth - 1L

$15.95

Ensure your plants receive the perfect pH balance with Future Harvest pH Up (1L). Designed to raise pH levels in hydroponic systems, soil, and soilless mediums, this concentrated formula provides p...

Sold Out

Hanna - HI5036-023 pH/EC Solution Quick Calibration - 230ml

$24.95

Hanna HI5036-023 Quick Calibration Solution - pH/EC 230ml The Hanna HI5036-023 Quick Calibration Solution is designed for precise calibration of Hanna's GroLine pH and EC/TDS meters. This high-qual...

Sold Out

Hanna - HI 98115 GroLine pH Tester for Hydroponic Nutrient Solutions

$69.95

Hanna HI 98115 GroLine pH Tester - Accurate pH Measurement for Hydroponic Solutions Simplify your pH testing with the Hanna HI 98115 GroLine pH Tester, designed specifically for measuring pH in hyd...

Sold Out

TNB - Naturals pH Up Powder - 454g for Optimal pH Control

$19.99

Maintain optimal pH levels in your hydroponic or liquid fertilizer systems with TNB Naturals pH Up Powder (454g). Made from all-natural ingredients without harmful chemicals, this innovative soluti...

Sold Out

Hanna - HI 7004L pH 4.01 Buffer Solution - 500ml Calibration Solution

$17.50

Hanna HI 7004L pH 4.01 Buffer Solution - Precision Calibration for pH Meters Ensure the accuracy of your pH measurements with the Hanna HI 7004L pH 4.01 Buffer Solution. This premium quality 500ml ...

Sold Out

Hanna - Gro Line Quick Cal Check Solution - 460ml for pH and EC/TDS Meters

$16.95

Hanna Gro Line Quick Cal Check Solution - Accurate Calibration for pH and EC/TDS Meters Ensure precise measurements with the Hanna Gro Line Quick Cal Check Solution. This 460ml calibration solution...

Sold Out

Bluelab - Truncheon Meter - Robust, Waterproof EC and Nutrient Meter

$159.99

Achieve optimal nutrient levels with the Bluelab Truncheon Meter, a robust and waterproof EC meter designed for long-lasting use. This reliable and user-friendly meter ensures precise measurement o...

60% Off Sold Out

Bluelab - Soil pH Pen - Waterproof pH and Temperature Meter for Accurate Soil Readings

$101.95

~~$255.00~~

Achieve precise soil pH and temperature measurements with the Bluelab Soil pH Pen. This robust, waterproof handheld solution is designed for reliable use in various growing media, ensuring optimal ...

Sold Out

Bluelab - Conductivity Pen - Waterproof Handheld EC and Temperature Meter

$104.95

Accurately measure conductivity and temperature with the Bluelab Conductivity Pen, a robust and fully waterproof handheld meter designed for growers. This reliable tool ensures precise readings, ma...

Hanna - HI 98331 EC Tester Soil Test Direct GroLine for Accurate Soil Conductivity

$137.95

Hanna HI 98331 EC Tester Soil Test Direct GroLine - Precision Soil Conductivity Measurement The Hanna HI 98331 Soil Test™ EC Tester is a pocket-sized device specifically designed to measure soil co...