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Building out a functional urban homestead requires the right gear. Our selection of the best pH & EC Meters is specifically curated for growers who want performance without the massive retail markup. Through our Plant Protocol affiliate integration, we pull live pricing directly from the source.

Highest Yield Potential
AA98 7 in 1 Water Quality Tester PH/TDS/EC/ORP/Salinity/S. G/TEMP High Accuracy Water Quality Test Pen IP67 Digital PH Meter
AA98 7 in 1 Water Quality Tester PH/TDS/EC/ORP/Salinity/S. G/TEMP High Accuracy Water Quality Test Pen IP67 Digital PH Meter
"Massive value for serious indoor homesteaders."
Best Overall Value
New Salinity Meter 0-199 PPt 6 in 1 PH EC TDS SALT S.G TEMP Aquarium Water Quality Meter ATC Multifunction Conductivity Monitor
New Salinity Meter 0-199 PPt 6 in 1 PH EC TDS SALT S.G TEMP Aquarium Water Quality Meter ATC Multifunction Conductivity Monitor
"The sweet spot of price and performance, perfect for a standard 3x3 setup."
Best Budget Pick
5 IN 1 PH Temperature TDS EC Salinity Meter Digital Waterproof With Automatic Calibration Function Water Quality PH Tester
5 IN 1 PH Temperature TDS EC Salinity Meter Digital Waterproof With Automatic Calibration Function Water Quality PH Tester
"An incredibly affordable entry perfect for apartment homesteading."
Top Pick For Microgreens
5 In 1 Digital PH TDS EC Meter Salinity Temperature Tester Conductivity Water Filter Purity Pen with Backlight
5 In 1 Digital PH TDS EC Meter Salinity Temperature Tester Conductivity Water Filter Purity Pen with Backlight
"Highly efficient design built specifically for rapid vegetative growth."
Most Energy Efficient
AT02-5 In1 Digital PH Meter Highly Accurate Water Quality Tester PH/EC/TDS/Salinity/Temp Meter,TDS Meter Fordrinking Water
AT02-5 In1 Digital PH Meter Highly Accurate Water Quality Tester PH/EC/TDS/Salinity/Temp Meter,TDS Meter Fordrinking Water
"Reduces your monthly power bill while maintaining solid performance."
Best Compact Setup
TDS Meter Digital Water Quality Tester PH Meter Tester 0-9990PPM TDS&EC LCD Water Purity PPM Aquarium Filter for Farming Pools
TDS Meter Digital Water Quality Tester PH Meter Tester 0-9990PPM TDS&EC LCD Water Purity PPM Aquarium Filter for Farming Pools
"Perfect for fitting into ultra-tight spaces."
AA98 7 in 1 Water Quality Tester PH/TDS/EC/ORP/Salinity/S. G/TEMP High Accuracy Water Quality Test Pen IP67 Digital PH Meter
AA98 7 in 1 Water Quality Tester PH/TDS/EC/ORP/Salinity/S. G/TEMP High Accuracy Water Quality Test Pen IP67 Digital PH Meter
★★★★☆ (Top Rated)
US $19.78 $35.97
INTERESTED
9.5
Plant Protocol Score

AA98 7 in 1 Water Quality Tester PH/TDS/EC/ORP/Salinity/S. G/TEMP High Accuracy Water Quality Test Pen IP67 Digital PH Meter

Highest Yield Potential • Est. Price: $19.78

Massive value for serious indoor homesteaders. When you are ready to max out performance, you need high quality.

Pros

  • Massive output potential
  • Incredible discount currently active
  • Professional grade

Cons

  • May require exhaust due to heat
  • Overkill for simple seed starting
INTERESTED
New Salinity Meter 0-199 PPt 6 in 1 PH EC TDS SALT S.G TEMP Aquarium Water Quality Meter ATC Multifunction Conductivity Monitor
New Salinity Meter 0-199 PPt 6 in 1 PH EC TDS SALT S.G TEMP Aquarium Water Quality Meter ATC Multifunction Conductivity Monitor
★★★★☆ (Top Rated)
US $23.62 $23.62
INTERESTED
9.2
Plant Protocol Score

New Salinity Meter 0-199 PPt 6 in 1 PH EC TDS SALT S.G TEMP Aquarium Water Quality Meter ATC Multifunction Conductivity Monitor

Best Overall Value • Est. Price: $23.62

The sweet spot of price and performance, perfect for a standard 3x3 setup. Coming in at a fraction of domestic MSRPs, this is the industry standard.

Pros

  • Excellent value
  • Wide, even distribution
  • Lightweight design

Cons

  • Not enough power for commercial scale
INTERESTED
5 IN 1 PH Temperature TDS EC Salinity Meter Digital Waterproof With Automatic Calibration Function Water Quality PH Tester
5 IN 1 PH Temperature TDS EC Salinity Meter Digital Waterproof With Automatic Calibration Function Water Quality PH Tester
★★★★☆ (Top Rated)
US $18.29 $36.58
INTERESTED
8.8
Plant Protocol Score

5 IN 1 PH Temperature TDS EC Salinity Meter Digital Waterproof With Automatic Calibration Function Water Quality PH Tester

Best Budget Pick • Est. Price: $18.29

An incredibly affordable entry perfect for apartment homesteading. Living in an apartment shouldn't stop you from urban farming.

Pros

  • Cheapest entry point
  • Zero noise and zero heat issues

Cons

  • Very low overall capacity
  • Only suitable for small runs
INTERESTED
5 In 1 Digital PH TDS EC Meter Salinity Temperature Tester Conductivity Water Filter Purity Pen with Backlight
5 In 1 Digital PH TDS EC Meter Salinity Temperature Tester Conductivity Water Filter Purity Pen with Backlight
★★★★☆ (Top Rated)
US $17.32 $34.63
INTERESTED
8.5
Plant Protocol Score

5 In 1 Digital PH TDS EC Meter Salinity Temperature Tester Conductivity Water Filter Purity Pen with Backlight

Top Pick For Microgreens • Est. Price: $17.32

Highly efficient design built specifically for rapid vegetative growth.

Pros

  • Perfect for vegetative growth
  • High durability aluminum components

Cons

  • Lacks advanced control features
INTERESTED
AT02-5 In1 Digital PH Meter Highly Accurate Water Quality Tester PH/EC/TDS/Salinity/Temp Meter,TDS Meter Fordrinking Water
AT02-5 In1 Digital PH Meter Highly Accurate Water Quality Tester PH/EC/TDS/Salinity/Temp Meter,TDS Meter Fordrinking Water
★★★★☆ (Top Rated)
US $24.46 $32.62
INTERESTED
9.0
Plant Protocol Score

AT02-5 In1 Digital PH Meter Highly Accurate Water Quality Tester PH/EC/TDS/Salinity/Temp Meter,TDS Meter Fordrinking Water

Most Energy Efficient • Est. Price: $24.46

Reduces your monthly power bill while maintaining solid performance. This gear pays for itself in energy savings.

Pros

  • Extremely low operating cost
  • Great build quality

Cons

  • Slightly higher upfront cost
INTERESTED
TDS Meter Digital Water Quality Tester PH Meter Tester 0-9990PPM TDS&EC LCD Water Purity PPM Aquarium Filter for Farming Pools
TDS Meter Digital Water Quality Tester PH Meter Tester 0-9990PPM TDS&EC LCD Water Purity PPM Aquarium Filter for Farming Pools
★★★★☆ (Top Rated)
US $4.90 $9.80
INTERESTED
8.7
Plant Protocol Score

TDS Meter Digital Water Quality Tester PH Meter Tester 0-9990PPM TDS&EC LCD Water Purity PPM Aquarium Filter for Farming Pools

Best Compact Setup • Est. Price: $4.90

Perfect for fitting into ultra-tight spaces. When you are maximizing vertical space, these slim form factors are essential.

Pros

  • Small form factor
  • Modular capable

Cons

  • Coverage area is quite small
INTERESTED