Skip to content
  • 🎁 Get the best gift for everyone with our snap sale and 🎁Gift collection🎁!🎁
  • 🎁 Get the best gift for everyone with our snap sale and 🎁Gift collection🎁!🎁
Plant Cultivation Equipment StorePlant Cultivation Equipment Store
  • Grow Tools & Equipment
    • Misc
    • Hydro Components
    • Growing Accessories
    • Garden Accessories
    • Liquid & Weight Measuring
    • Hand Tools
    • Hydro Systems
    • Garden Hygiene and Safety
  • Lighting
    • Lighting & Electrical Components
    • LED
    • Grow Light Reflectors
    • Reflective & Greenhouse Films
    • Fluorescent Lighting
    • Lamps
    • Lighting
    • Grow Light Ballasts
    • Lighting Accessories
    • Commercial Lighting Fixtures
    • Lighting Systems/Kits
    • Light Movers Hangers
  • Environmental Control
    • Meters & Solutions
    • Environmental Controllers
    • Pumps & Irrigation
    • Complete Systems
    • Air Purification
    • Controllers, Monitors & Timers
    • PH/EC/TDS Meters and Solutions
    • AC / Dehumidification / Humidification
  • Grow Media and Containers
    • Cloning & Seed Starting
    • Food & Water Storage
    • Growing Media
    • Grow System/ Trays/ Reservoirs
  • Nutrients & Supplements
    • Nutrients and Supplements
    • Pest and Disease Control
    • Plant Support
    • No products in the cart.

      Return to shop

  • Cart

    No products in the cart.

    Return to shop

 

Bluelab Guardian Monitor

Home / Environmental Control / Meters & Solutions
Sale!
Bluelab Guardian Monitor

$399.00 Original price was: $399.00.$95.99Current price is: $95.99.

SKU: Z3JVD 4408165531684 Categories: Environmental Control, Meters & Solutions
  • Service that stands out, online and always timely.
  • Multiple payment methods, safe and reliable
  • Online customer care, always here for you.
  • Buy quality, buy with us.
Browse
  • Environmental Control
    • AC / Dehumidification / Humidification
    • Air Purification
    • Complete Systems
    • Controllers, Monitors & Timers
    • Environmental Controllers
    • Meters & Solutions
    • PH/EC/TDS Meters and Solutions
    • Pumps & Irrigation
  • Grow Media and Containers
    • Cloning & Seed Starting
    • Food & Water Storage
    • Grow System/ Trays/ Reservoirs
    • Growing Media
  • Grow Tools & Equipment
    • Garden Accessories
    • Garden Hygiene and Safety
    • Growing Accessories
    • Hand Tools
    • Hydro Components
    • Hydro Systems
    • Liquid & Weight Measuring
    • Misc
  • Lighting
    • Commercial Lighting Fixtures
    • Fluorescent Lighting
    • Grow Light Ballasts
    • Grow Light Reflectors
    • Lamps
    • LED
    • Light Movers Hangers
    • Lighting
    • Lighting & Electrical Components
    • Lighting Accessories
    • Lighting Systems/Kits
    • Reflective & Greenhouse Films
  • Nutrients & Supplements
    • Nutrients and Supplements
    • Pest and Disease Control
    • Plant Support
  • Uncategorized
Recently Viewed
  • RAW Classic Papers Kingsize Slim 32 Leaves/Pack - Box Of 50 RAW Classic Papers Kingsize Slim 32 Leaves/Pack - Box Of 50 $71.67 Original price was: $71.67.$50.17Current price is: $50.17.
  • Elements Ultra Thin Rice Papers 1-1/4'' 50 Leaves/Pack - Box Of 25 Elements Ultra Thin Rice Papers 1-1/4'' 50 Leaves/Pack - Box Of 25 $30.42 Original price was: $30.42.$21.29Current price is: $21.29.
  • Description
  • Reviews (0)

In just one glance it clearly conveys all 3 critical parameters for successful growth: pH, conductivity AND temperature.

The Bluelab Guardian Monitor is a constant indicator of the desired levels of EC/ppm 700/TDS/CF, pH and temperature, enabling the grower to optimise these parameters as the crop progresses through each growing phase.

The Bluelab Guardian Monitor is mains powered and is mounted to the wall or hung on a support and the probes simply placed into the reservoir.

With the Bluelab Guardian Monitor monitoring your crops 24 hours a day and with the ability to set high and low alarms, a flashing display lets you know if one parameter moves away from the ideal, allowing you to make the required adjustments quickly and effectively.

Features
• Large easy to read displays
• No calibration required for conductivity and temperature
• Simple push button pH calibration
• Selectable values for conductivity and temperature
• Flashing high and low alarms
• Temperature compensation
• Greater tolerance to RF/electronic interference provided
• International power supply
• Replaceable double junction pH probe
• Adjustable display brightness
• Non-volatile memory

Probe Tips

  • All probes are interchangeable between all Bluelab products
  • All probes carry a 6 month warranty
  • Proper hydration of ph probes is vital to maintain wick
  • All pH probes eventually need to be replaced—they can only house so much reference solution
  • KCl storage solution is required for optimum probe maintenance
  • RO water will reduce probe life

Reviews

There are no reviews yet.

Be the first to review “Bluelab Guardian Monitor” Cancel reply

Related products

Sale!
Foldable Aluminum Cold Frame 100x50x40 Cm
Quick View

Complete Systems

Foldable Aluminum Cold Frame 100x50x40 Cm

$116.05 Original price was: $116.05.$81.24Current price is: $81.24.
Sale!
Hanna EC/TDS Probe For HI981409 & HI981410
Quick View

Environmental Control

Hanna EC/TDS Probe For HI981409 & HI981410

$85.99 Original price was: $85.99.$60.19Current price is: $60.19.
Sale!
B.Lite Remote Control
Quick View

Controllers, Monitors & Timers

B.Lite Remote Control

$16.95 Original price was: $16.95.$11.87Current price is: $11.87.
Sale!
FlexiTank
Quick View

Complete Systems

FlexiTank

$384.99 Original price was: $384.99.$97.99Current price is: $97.99.
Sale!
Hanna Replacement Probe For GroChek HI9813-6
Quick View

Environmental Control

Hanna Replacement Probe For GroChek HI9813-6

$156.99 Original price was: $156.99.$98.99Current price is: $98.99.
Sale!
CAN FILTERS 6in Flange
Quick View

Air Purification

CAN FILTERS 6in Flange

$15.00 Original price was: $15.00.$10.50Current price is: $10.50.
Sale!
GroLine Storage Solution Sachets, 20 ML (25 Pcs.)
Quick View

Environmental Control

GroLine Storage Solution Sachets, 20 ML (25 Pcs.)

$36.00 Original price was: $36.00.$25.20Current price is: $25.20.
Sale!
Aptus PCS Ready-to-Use P50 System, Includes AP60052 & AP60054
Quick View

Complete Systems

Aptus PCS Ready-to-Use P50 System, Includes AP60052 & AP60054

$385.00 Original price was: $385.00.$97.99Current price is: $97.99.
MY ACCOUNT
  • My account
  • Wishlist
  • Checkout
  • Cart
ABOUT US
  • About Us
  • Returns & Exchanges
  • Delivery
  • FAQ
  • Contact Us
LEGAL
  • Privacy Policy
  • Shipping Policy
  • Payment Method
  • Term and Conditions
Signup for Newsletter

Sign up for exclusive offers, original stories, events and more.

[contact-form-7 id="15"]
Copyright 2026 © www.thriveplantlab.com
  • Grow Tools & Equipment
    • Misc
    • Hydro Components
    • Growing Accessories
    • Garden Accessories
    • Liquid & Weight Measuring
    • Hand Tools
    • Hydro Systems
    • Garden Hygiene and Safety
  • Lighting
    • Lighting & Electrical Components
    • LED
    • Grow Light Reflectors
    • Reflective & Greenhouse Films
    • Fluorescent Lighting
    • Lamps
    • Lighting
    • Grow Light Ballasts
    • Lighting Accessories
    • Commercial Lighting Fixtures
    • Lighting Systems/Kits
    • Light Movers Hangers
  • Environmental Control
    • Meters & Solutions
    • Environmental Controllers
    • Pumps & Irrigation
    • Complete Systems
    • Air Purification
    • Controllers, Monitors & Timers
    • PH/EC/TDS Meters and Solutions
    • AC / Dehumidification / Humidification
  • Grow Media and Containers
    • Cloning & Seed Starting
    • Food & Water Storage
    • Growing Media
    • Grow System/ Trays/ Reservoirs
  • Nutrients & Supplements
    • Nutrients and Supplements
    • Pest and Disease Control
    • Plant Support
  • Login

Login

Lost your password?

Register

Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy.