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.

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Original price $149.95 - Original price $149.95Original price$149.95$149.95 - $149.95Current price $149.95Bluelab pH Pen
A hardy, compact pH and temperature pen Perfect for quick and easy pH and temperature readings direct from your solution Fully waterproof - not ...
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Original price $299.95 - Original price $299.95Original price$299.95$299.95 - $299.95Current price $299.95Bluelab PH & Conductivity Starter Pack
Conductivity, pH, care and calibration – in one box Everything you need to measure pH, conductivity and temperature Handheld design is compact...
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Original price $169.95 - Original price $169.95Original price$169.95$169.95 - $169.95Current price $169.95Bluelab 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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Original price $24.95 - Original price $44.95Original price$24.95 - $44.95$24.95 - $44.95Current price $24.95Bluelab 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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Original price $2.85 - Original price $39.95Original price$2.85 - $39.95$2.85 - $39.95Current price $2.85BlueLab 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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Original price $34.95 - Original price $49.95Original price$34.95$34.95 - $49.95Current price $34.95Bluelab Probe Care Kits
Care, hydration and calibration – in one kit Maintaining your Bluelab pH and conductivity probes To ensure ongoing accuracy and longevity, we r...
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Original price $2.85 - Original price $39.95Original price$2.85 - $39.95$2.85 - $39.95Current price $2.85BlueLab 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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Original price $139.95 - Original price $139.95Original price$139.95$139.95 - $139.95Current price $139.95Bluelab Conductivity Pen
A robust handheld solution for measuring conductivity and temperature on the go Fully waterproof, not just water-resistant Selectable measuremen...
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Original price $2.85 - Original price $22.95Original price$2.85$2.85 - $22.95Current price $2.85Bluelab Conductivity Standard Solution | 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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Original price $117.00 - Original price $139.00Original price$117.00 - $139.00$117.00 - $139.00Current price $117.00Bluelab PH Probe Replacement (BNC Connection)
This probe is compatible with all Bluelab products with a corresponding BNC connector, such as the Combo Meter and Guardian Monitor. Dependable d...
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Original price $499.00 - Original price $499.00Original price$499.00$499.00 - $499.00Current price $499.00Bluelab Pulse Multimedia EC/MC Meter
Instant root zone moisture, conductivity (EC) and temperature measurements with a single click Measure moisture, conductivity (EC) and tempera...
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