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Bluelab pH Pen
Bluelab pH Pen
Bluelab pH Pen

Bluelab pH Pen

Bluelab pH Pen

A hardy, compact pH and temperature pen

Perfect for quick and easy pH and temperature readings direct from your solution

Features

  • Fully waterproof
  • Simple two-point calibration process for accuracy
  • One-year peace-of-mind warranty
  • Automatic temperature compensation for accurate readings everywhere
  • Auto-off function to extend battery life
  • 1 AAA battery included - simply power on and go
$149.99
$149.99
En vente Épuisé
Frais d'expédition calculés à l'étape de paiement.
  • Free Shipping in Canada & USA
  • 1-year warranty
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  • Description
  • Grow
  • Instructions
  • Shipping

Why measure pH and temperature?

Get the fundamentals of growing right, every time

Healthy growing plants, just like humans, need a balanced diet of appropriate nutrients (food). However, plants can only access these nutrients when the nutrient solution is within a certain pH range.

From a water chemistry perspective, pH (potential Hydrogen) plays a pivotal role in making the nutrients in your solution soluble so that they can be accessed by your plants. That’s why if your growing solution becomes too acidic or too alkaline, the plants won’t be able to get access to the nutrients they need to grow. The temperature of your growing solution is equally important as having a solution that’s too hot or too cold can affect growth rate and structure.

To help your plants thrive, get the fundamentals right by measuring pH and temperature to ensure that these are always in the optimal range.

A compact and robust handheld solution

Everyday accuracy of the fundamentals

This user-friendly and hardy handheld pen will take measurements in increments of 0.1 pH and is fully temperature compensated, so you can expect accurate readings every time.

Best for:

The Bluelab pH Pen is an essential tool for anyone managing plant nutrition, ensuring optimal pH levels for nutrient uptake and healthy growth. Here's who would benefit from it:

1. Hydroponic Growers

Hydroponic systems rely heavily on maintaining the correct pH to prevent nutrient deficiencies.

Ensures plants can absorb essential nutrients in water-based growing environments like deep water culture (DWC), NFT, aeroponics, or ebb and flow systems.

2. Soil & Coco Coir Gardeners

Soil and soilless growers need to check pH to avoid nutrient lockout.

Perfect for indoor and outdoor gardeners who want to monitor runoff pH to adjust feeding schedules.

3. Commercial Greenhouse Growers

Large-scale vegetable, fruit, and herb growers who use liquid fertilizers must maintain consistent pH for optimal crop production.

Ensures irrigation systems deliver properly balanced nutrients.

4. Aquaponic Farmers

In aquaponics, maintaining the right pH ensures fish health and proper nutrient conversion for plants.

Balances water quality for both plant and aquatic life.

5. Home Gardeners & Beginners

Even beginner gardeners who use liquid fertilizers or organic teas benefit from ensuring their solutions are at the right pH.

The waterproof, easy-to-use design makes it a hassle-free tool for all experience levels.

This pH pen is crucial for anyone who wants to optimize plant health, whether you're a hobbyist gardener, hydroponic grower, or large-scale cultivator.

User Manual English

User Manual French

Order Processing

Orders are processed at our facility in Toronto, Ontario, Canada. 

HydraGarden orders will include a tracking number after it ships.

Shipping

Depending on the day of your order during the week, it can take up to a maximum of 7 days for your order to leave our facility.

Shipping in the Canadian Territories: Please reach out to us at sales@hydragarden.com. For shipment to remote locations, an extra fee may be applied.

Delivery

Delivery times are dependent on your proximity to our facility in Toronto, Ontario, Canada. Delivery times can vary between 1 business to 14 business days from the shipping date.

Customer Reviews

New Zealand-made quality, built for growers

Bluelabs products are designed and built for grower environments - not the lab - so you can relax knowing that your pen can withstand the knocks, drops and deep-water plunges that come with everyday growing. In fact, the fully waterproof Bluelab pH Pen is designed to float when it lands up in your reservoir.