Showing 433–448 of 487 results
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$7.50
The CannaMax Calibration Solution 1000ppm is a very necessary part of a growers toolbox. Fill a small clean container with only enough solution to cover the probe end. Adjust meter. Rinse probe with clean water. Dispose of used Calibration solution.
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$9.95
Calibration Solution pH7 is a very necessary part of a growers toolbox.
- Fill a small clean container with only enough solution to cover the probe end.
- Adjust meter. Rinse probe with clean water.
- Dispose of used Calibration solution.
- Repeat monthly
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$9.95
Calibration Solution pH4 is a very necessary part of a growers toolbox.
- Fill a small clean container with only enough solution to cover the probe end.
- Adjust meter. Rinse probe with clean water.
- Dispose of used Calibration solution.
- Repeat weekly or monthly
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$11.86
PRODUCT DESCRIPTION
- Signals soil moisture level
- Indicates soil acidity/alkalinity
- Includes watering needs for many plants
- Product specifically designed to be used only in soil
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$16.49 – $29.95Price range: $16.49 through $29.95
Calibration Solution 2.77EC is a very necessary part of a growers toolbox.
Required for the calibration and checking of Pens meters and controllers.
Manufactured specific to the calibration process and referenced to high class laboratory standards.
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$16.49 – $29.95Price range: $16.49 through $29.95
BlueLab Calibration Solution pH7 is a very necessary part of a growers toolbox.
They are required for the calibration and checking of Pens, meters and controllers.
Manufactured specific to the calibration process and referenced to high class laboratory standards.
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$16.49 – $29.95Price range: $16.49 through $29.95
BlueLab Calibration Solution pH4 is a very necessary part of a growers toolbox.
Required for the calibration and checking of Pens, meters and controllers.
Manufactured specific to the calibration process and referenced to high class laboratory standards.
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$551.99
Main Features
- Built-in Wi-Fi (with option to disable)
- High/low pH, temperature and conductivity alarms
- Non-volatile memory – keep settings through power loss
- Plant-safe green LEDs with adjustable display brightness
- 2 metre / 6.6 foot measurement probe cables
- 110 – 240 VAC (Mains powered)
- Interchangeable power plug
- Replaceable pH Probe (with BNC connection)
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Sale!

$40.80 $5.00
Everything you need to clean, calibrate and maintain your pH and conductivity probes
Your Bluelab Probe Care Kit – pH and Conductivity contains:
Equipment
1x Probe care instructions
3x Plastic cups
1x Bluelab pH Probe Cleaner, 30 ml / 1 fl.oz
Bluelab Conductivity Probe Cleaner, 30 ml / 1 fl.oz
1x Toothbrush
1x Chamois
Solution
2x Single-use pH 4.0 Calibration Solution Sachets, 18 ml / 0.6 fl.oz
2x Single-use pH 7.0 Single-use Calibration Solution Sachets, 18 ml / 0.6 fl.oz
2x Single-use 2.77 EC Conductivity Standard Solution Sachets, 18 ml / 0.6 fl.oz
2x KCl Storage Solution, 18 ml / 0.6 fl.oz
6 Left
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$22.50
Everything you need to clean and maintain your conductivity probes
Your Bluelab Probe Care Kit – Conductivity contains:
- Probe care instructions
- Two 18 ml single-use sachets of Bluelab 2.77 EC Conductivity Standard Solution
- One plastic cup
- Bluelab Conductivity Probe Cleaner
- Chamois for cleaning your conductivity probe
- Packaging may vary
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Sale!

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$429.00
- Measures pH, conductivity / nutrient
- Lightweight and portable
- Large easy to read display
- Simple push button pH calibration
- No calibration required for conductivity and temperature
- Replaceable double junction pH probe included
- 2 x AAA alkaline batteries included
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$122.00
Bluelab ppm Pen The ultimate handy solution for measuring conductivity (EC or ppm) and temperature! The Bluelab EC or ppm Pen simply tells you that your plants have the right amount of nutrient in your solution and lets you know if adjustments are needed. To feed plants well, we need to know what we’re feeding…
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$159.00
Don’t forget to order your BlueLab calibration Solution ph4 and ph7
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$17.95
A better Quality Nitrile
Disposable
Powder Free
Superior Strength
Latex Free
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$12.50
- Features
- 3.5″ Mesh
- 5′ wide
- Soft woven string net trellis
- Reduces damage from ground-rot, insects, rodents, and garden pests
- Produces bigger, healthier, and earlier harvests
- Increases harvest from small garden spaces and keeps produce clean
- Ideal for tomatoes, beans, grapes, clematis, sweet peas, and other vining plants