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Meters & Calibration Solutions

Whether you need to make precise adjustments to your pH levels, stay within a given temperature range, or control the EC inside of your environment, we've got your back!

Fran's Hydroponics sells meters, probes, measuring tools and calibration solutions of all kinds. We stand behind these products - we're an Australian hydroponics retailer that takes customer satisfaction seriously.

Hydroponic Meters and Calibration Solutions
  • $285.00 - $285.00
    $285.00
    $285.00 - $285.00
    $285.00

    Bluelab PH & Conductivity Starter Pack

    BLUELAB PH & CONDUCTIVITY STARTER PACK The ultimate solution for measuring pH, conductivity and temperature on the go Your toolbox contains: B...

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    $285.00 - $285.00
    $285.00
    $285.00 - $285.00
    $285.00
  • PH Down - Hy-Gen PH Down (Phosphoric Acid)
    $12.95 - $29.95
    $12.95 - $29.95
    $12.95 - $29.95
    $12.95

    Hy-Gen pH Down (Phosphoric Acid) - pick up in-store only

    pick up in-store only

    $12.95 - $29.95
    $12.95 - $29.95
    $12.95 - $29.95
    $12.95
  • PH Meters - Bluelab PH Pen
    $149.95 - $149.95
    $149.95
    $149.95 - $149.95
    $149.95

    Bluelab pH Pen

    Key Features• Measures pH and temperature• Selectable units for temperature• Backlit LCD display• Double junction probe (not replaceable)• Succes...

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    $149.95 - $149.95
    $149.95
    $149.95 - $149.95
    $149.95
  • Conductivity Meters - Bluelab Truncheon EC CF
    $169.95 - $169.95
    $169.95
    $169.95 - $169.95
    $169.95

    Bluelab Truncheon EC CF

    The World’s favourite conductivity meter. Simply brilliant, brilliantly simple! It is essential when growing with a hydroponic solution to KNOW w...

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    $169.95 - $169.95
    $169.95
    $169.95 - $169.95
    $169.95
  • Calibration Solution - Bluelab PH Probe KCI Storage Solution - 100 Ml
    $24.95 - $44.95
    $24.95 - $44.95
    $24.95 - $44.95
    $24.95

    Bluelab pH Probe KCI Storage Solution

    Improve longevity with KCl How to care for your Bluelab pH products Your pH probe is a sensitive glass instrument that ages through everyday use. I...

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    $24.95 - $44.95
    $24.95 - $44.95
    $24.95 - $44.95
    $24.95
  • PH Meters - HM Handheld PH Meter PH-80
    $110.00 - $110.00
    $110.00
    $110.00 - $110.00
    $110.00

    HM Handheld pH Meter PH-80

    PH-80   PH-80: pH HydroTester Series The PH-80 has proven to be the MOST reliable pH meter in its price range. It has become a favorite in such a...

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    $110.00 - $110.00
    $110.00
    $110.00 - $110.00
    $110.00
  • PH Up - Hy-Gen PH Up (Potassium Hydroxide
    $12.95 - $29.95
    $12.95 - $29.95
    $12.95 - $29.95
    $12.95

    Hy-Gen pH Up (Potassium Hydroxide - pick up in-store only

    pick up in-store only

    $12.95 - $29.95
    $12.95 - $29.95
    $12.95 - $29.95
    $12.95
  • Calibration Solution - BlueLab PH 7.0 Calibration Solution
    $22.95 - $39.95
    $22.95 - $39.95
    $22.95 - $39.95
    $22.95

    BlueLab PH 7.0 Calibration Solution

    pH instruments must be cleaned and calibrated at least monthly to provide you with the most accurate reading. pH measuring equipment is calibrated ...

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    $22.95 - $39.95
    $22.95 - $39.95
    $22.95 - $39.95
    $22.95
  • Conductivity Meters - Bluelab Conductivity Pen (EC Or Ppm)
    $139.95 - $139.95
    $139.95
    $139.95 - $139.95
    $139.95

    Bluelab Conductivity Pen (EC or ppm)

    The ultimate handy solution for measuring conductivity (EC or ppm) and temperature! The Bluelab Conductivity Pen simply tells you that your pl...

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    $139.95 - $139.95
    $139.95
    $139.95 - $139.95
    $139.95
  • PH Test Kit - Hy-Gen Complete PH Test Kit (pick Up Only)
    $29.95 - $29.95
    $29.95
    $29.95 - $29.95
    $29.95

    Hy-Gen Complete PH Test Kit - pick up in-store only

    HY-GEN COMPLETE pH KIT HY-GEN® COMPLETE pH KIT is an easy and accurate way to keep track of the nutrient solution pH with the added ability to adju...

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    $29.95 - $29.95
    $29.95
    $29.95 - $29.95
    $29.95
  • Calibration Solution - BlueLab PH 4.0 Calibration Solution
    $22.95 - $39.95
    $22.95 - $39.95
    $22.95 - $39.95
    $22.95

    BlueLab PH 4.0 Calibration Solution

    pH instruments must be cleaned and calibrated at least monthly to provide you with the most accurate reading. pH measuring equipment is calibrated ...

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    $22.95 - $39.95
    $22.95 - $39.95
    $22.95 - $39.95
    $22.95
  • Calibration Solution - Bluelab Conductivity Standard Solution - 250ML | 2.77 EC
    $22.95 - $22.95
    $22.95
    $22.95 - $22.95
    $22.95

    Bluelab Conductivity Standard Solution - 250ML | 2.77 EC

    Boost accuracy with regular cleaning  How to care for your Bluelab EC products If you want to ensure the ongoing accuracy of your Bluelab conductiv...

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    $22.95 - $22.95
    $22.95
    $22.95 - $22.95
    $22.95
  • PH Test Kit - Hy-Gen PH Liquid Dropper Test Kit 4.5 To 7.5 PH
    $12.95 - $12.95
    $12.95
    $12.95 - $12.95
    $12.95

    Hy-Gen pH Liquid Dropper Test Kit 4.5 To 7.5 pH

    Easy to use PH test kit to keep your plants at their best and always handy to have as a backup.

    $12.95 - $12.95
    $12.95
    $12.95 - $12.95
    $12.95
  • PH Meters - Bluelab PH Replacement Probe
    $109.95 - $109.95
    $109.95
    $109.95 - $109.95
    $109.95

    Bluelab PH Replacement 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.

    $109.95 - $109.95
    $109.95
    $109.95 - $109.95
    $109.95
  • Calibration Solution - HY-GEN PH Buffer- 4.0 | Calibration Solution For PH Meter
    $10.95 - $16.95
    $10.95 - $16.95
    $10.95 - $16.95
    $10.95

    HY-GEN PH Buffer- 4.0 | Calibration Solution For PH Meter

    Hy-Gen Calibration solution comes in 2 types, 4.0 and 7.0 Hygen pH Buffer is the upper calibration point in the "two-point" calibration of electron...

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    $10.95 - $16.95
    $10.95 - $16.95
    $10.95 - $16.95
    $10.95
  • Additives - Liquid Science PH RAISE & LOWER
    Save up to 50% Save %
    $11.95 - $19.95
    $11.95 - $19.95
    $11.95
    $6.00 - $19.95
    $6.00 - $19.95
    $6.00

    Liquid Science pH RAISE & LOWER - Click and Collect Only

    pH stability is a major factor in the ability of the plant to absorb all the necessary macro and microelements needed for sugar production. pH is t...

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    $11.95 - $19.95
    $11.95 - $19.95
    $11.95
    $6.00 - $19.95
    $6.00 - $19.95
    $6.00
    Save up to 50% Save %
  • PH Test Kit - Flairform PH Test Kit - Approx 800+ Tests
    Available for Backorder!
    $12.95 - $12.95
    $12.95
    $12.95 - $12.95
    $12.95

    Flairform pH Test Kit - approx 800+ tests

    For reliable & fast pH readings "Unlike electronic pH meters, there is NO complex or costly maintenance required with the pH Test Kit"Retaile...

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    $12.95 - $12.95
    $12.95
    $12.95 - $12.95
    $12.95
    Available for Backorder!
  • Combo Meters - Bluelab Guardian Monitor
    $475.00 - $479.00
    $475.00
    $475.00 - $479.00
    $475.00

    Bluelab Guardian Monitor

    The Bluelab Guardian Monitor provides 24 hour continuous reading for pH, conductivity (EC/ppm 700/TDS/CF) and temperature within a nutrient solutio...

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    $475.00 - $479.00
    $475.00
    $475.00 - $479.00
    $475.00
  • Combo Meters - Bluelab Combo Ph + Ec Meter Hand Held
    Available for Backorder!
    $485.00 - $485.00
    $485.00
    $485.00 - $485.00
    $485.00

    Bluelab Combo Ph + Ec Meter Hand Held

    The Bluelab Combo Meter is a conductivity, pH and temperature meter all in one. It comes with a pH probe and conductivity/ temperature probe, whi...

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    $485.00 - $485.00
    $485.00
    $485.00 - $485.00
    $485.00
    Available for Backorder!