We are open 7 days a week, 9am to 5pm Monday to Friday & 10am until 3pm weekends (Winter Hours and Bank Holidays vary) 

In just one glance the Bluelab Guardian Monitor measures all three critical parameters 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, The Bluelab Guardian Monitor provides 24 hour continuous reading for pH, conductivity (EC/ppm 700/TDS/CF) and temperature within a solution.

Optimising these critical parameters helps ensure your koi are kept perfect condition.

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 pond water, filter.


With the Bluelab Guardian Monitor monitoring your water 24 hours a day and with the ability to set high and low alarms, a flashing display indicates if one parameter moves away from the ideal, allowing the required adjustments to be made, quickly and effectively.

Features of Bluelab Guardian Monitor

  • Green LEDs
  • 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
  • Greater tolerance to RF / electronic interference provided
  • Water resistant design
  • International power supply
  • Replaceable double junction pH probe
  • Adjustable display brightness
  • Non-volatile memory - setting retained when power lost.
  • 2 year guarantee for Bluelab Guardian Monitor
  • 6 month guarantee for Bluelab pH Probe
Specification

We aim to dispatch orders received before midday Monday to Friday on the same day where possible. In most cases our items are available for 1 to 2 day delivery at a competitive price and are trackable via DPD or APC.

Delivery costs for standard items in the UK - £5.95

(Surcharges do apply to remote postcodes)

Heavy items - £9.95

Pipe - £14.95

Palletised items - Some large oversize products, typically items weighing more than 30kg, may require delivery via pallet. Standard Pallet charge is approx. £50.00. To ensure there are no delays with delivery, please include a contact number when placing the order.

Overseas – DHL and UPS, cost based on weight / volume at checkout.

Below is a list of documents that you may find useful.

Can’t find what you’re looking for? Call 01777 839176 or use our contact form