Meters & Solutions

pH Buffer #4. pH 4 Calibration solution. Dip probe into solution to calibrate. Always follow manufacturer's instructions.
pH Buffer #4
  • $4.00
pH 7 Calibration solution.
pH Buffer #7
  • $4.00
Storage Solution. H/EC probe storage solution. Safe for all models. Clean probe then store probe in this solution between each use.
Storage Solution
  • $10.00
Electrode Cleaner
  • $10.00
14.13mS/cm EC Conductivity Solution. EC Conductivity solution. Check EC/ TDS probes by dipping them into this solution.
14.13mS/cm EC Conductivity Solution
  • $10.00
For pH adjustment. Used to raise pH in water or nutrient solution. It contains silica which is beneficial to plants.
Potassium Silicate
  • From $11.95
pH Raise. Potassium hydroxide. Raises the pH of water.
pH Raise
  • From $6.00
pH Down
  • From $6.00
Bluelab pH Probe KCl Storage Solution is a storage solution designed specifically for use with Bluelab pH Pens or pH Probes. Storage solution is used to ensure a pH probe is kept in ideal conditions during storage, while the probe is not in use.
Bluelab KCI Storage Solution
  • $16.55
Bluelab pH 4.0 Calibration Solution
  • From $2.05
Bluelab pH 7.0 calibration solutions
  • From $2.05
Bluelab pH Pen. Plants get their nutrient from minerals but they can only get all the right minerals they need if certain conditions are right.
Bluelab pH Pen
  • $117.00
Bluelab Combo Meter. The Bluelab Combo Meter is a portable pH, conductivity and temperature meter all in one.
Bluelab Combo Meter
  • $300.00
Bluelab pH Probe. The Bluelab pH Probe is a replacement pH probe (electrode) suitable for use with Bluelab products that test the pH value of a solution.
Bluelab pH Probe
  • $95.00
Bluelab Truncheon Nutrient Meter
Bluelab Truncheon Nutrient Meter
  • $165.00
The Hanna Instruments HI 9813-6 Portable pH/EC/TDS/Temperature Meter with CAL Check Feature is a versatile, water resistant, multipara meter portable instrument specifically designed for agricultural applications such as hydroponics, greenhouses, farming and nurseries
Hanna PH/EC/TDS/TEMP H19813-6 with Cal-Check Feature
  • $385.95
General Hydroponics pH Test Indicator. General Hydroponics pH Test Indicator makes testing samples easy.
General Hydroponics pH Test Indicator
  • $11.00