Bluelab pH Controller with Built-In Peridoser Pump: The Ultimate Solution for Reservoir pH Management

Effortlessly maintain the perfect pH levels in your reservoir with the Bluelab pH Controller with Built-In Peridoser Pump. This innovative, user-friendly pH controller gives you peace of mind by automating pH control 24/7, ensuring optimal nutrient uptake for thriving plants.

Features and Benefits

  • Automated pH control: Manages pH levels in reservoirs up to 200 US gallons/760 litres, saving you time and ensuring optimal plant health.
  • Built-in peristaltic pump: Provides precise control, delivering doses within a 0.1 pH tolerance.
  • Up (alkali) and down (acid) control: Easy-to-use programmable settings for desired pH control direction.
  • Safety lockouts: Prevents overdosing, protecting your plants.
  • Temperature probe: Automatically compensates for temperature, ensuring accurate pH measurements and doses.

How to Use

  1. Mount the Bluelab pH Controller on a wall, post, or rack near the reservoir you want to manage pH levels for.
  2. Install the pH probe and temperature probe in the reservoir.
  3. Connect the acid- and alkali-resistant delivery tubing to the peristaltic pump, ensuring proper positioning in the reservoir.
  4. Turn on the Bluelab pH Controller and set the desired pH target using the display interface.
  5. Choose the pH control direction (up/alkali or down/acid) in the settings.
  6. Set high and low alarms for your preferred pH target range.
  7. Customise dosing on- and off-times in the settings for effective mixing before the next dose.
  8. Monitor pH levels and make adjustments as needed.

Aqua Gardening Suggests These are Best For

The Bluelab pH Controller with Built-In Peridoser Pump is best for hydroponic growers, aquaponic systems, and other setups with reservoirs up to 200 US gallons/760 litres who want automated, precise pH control to ensure optimal plant growth and health.

Notes from Aqua Gardening

  • Regular cleaning, maintenance, and calibration of probes are essential for accurate and reliable measurements. Purchase a Bluelab Probe Care Kit and Bluelab calibration solutions for proper care.
  • Upgrade to the Bluelab pH Controller Connect for remote monitoring of your reservoir pH.
  • Consider the Bluelab Pro Controller for comprehensive control of pH, EC/PPM, and temperature in your reservoir.


What is the maximum reservoir capacity that the Bluelab pH Controller can handle?

The Bluelab pH Controller is designed to work with reservoirs of up to 200 US gallons or 760 litres.

How precise is the peristaltic pump in the Bluelab pH Controller?

The peristaltic pump delivers precise control, dosing within a 0.1 pH tolerance at a rate of 10 ml/min.

Can the Bluelab pH Controller dose both pH-up and pH-down solutions?

Yes, the Bluelab pH Controller can be programmed to control pH in the up (alkali) or down (acid) direction, depending on your growing setup requirements.

What safety features are included with the Bluelab pH Controller?

The Bluelab pH Controller has in-built safety lockouts to prevent overdosing, high and low alarms to alert you when pH is out of range, and customizable dosing on- and off-times for effective mixing before the next dose.

Does the Bluelab pH Controller include a temperature probe?

Yes, the Bluelab pH Controller comes with a temperature probe to automatically compensate pH measurements and doses for temperature fluctuations.

How long are the probe and power cable lengths?

The Bluelab pH Controller features 2-metre/6-ft probe and power cable lengths, and 4-metre/13.12-ft total tubing for optimal positioning and convenience.

Is the Bluelab pH Controller water-resistant?

Yes, the Bluelab pH Controller is built for the demands of everyday growing and is designed to be water-resistant.

What is the warranty period for the Bluelab pH Controller and pH Probe?

The Bluelab pH Controller comes with a two-year limited guarantee, while the Bluelab pH Probe is covered for six months. Proof of purchase is required for claiming warranty.

Are there any additional Bluelab products to maintain and monitor the pH Controller?

Yes, you can purchase a Bluelab Probe Care Kit, Bluelab calibration solutions, the Bluelab pH Controller Connect for remote monitoring, or the Bluelab Pro Controller for comprehensive nutrient and pH control.

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Product Manual

View PDF brochure for Bluelab pH Controller with Built-In Peridoser Pump

(SKU: 128067)

Automated pH control up to 200 US gal/760L, Precise 10 ml/min peristaltic pump, Up/down pH control, Safety lockouts, Dosing routine for effective mixing, Auto-resume after power loss, High/low pH alarms, Acid/alkali-resistant tubing, Flexible mounting, Easy-to-clean display, 2-year guarantee

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