Exclusive Bluelab Offer for Athena Growers

Purchased the Athena Blended Starter Kit? Get access to precision tools from Bluelab. Use code ATHENA26 for 20% off a Bluelab Pen

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Understanding pH in your grow

pH (Potential of Hydrogen) measures how acidic or alkaline your nutrient solution or growing medium is. It’s measured on a scale from 0 to 14, where 7 is neutral. Values below 7 are acidic, while values above 7 are alkaline.

For growers using Athena nutrients, pH plays a critical role in how effectively plants can absorb nutrients. Even small changes can impact availability, meaning your plants may not be getting what they need, even when your feeding is correct.

Even small pH shifts can significantly impact nutrient uptake. Getting your pH right helps ensure your Athena feed program performs exactly as intended.

Designed to work together

Athena nutrients are designed for support the modern grower, no matter the scale. To get the best results, accurate pH and EC measurement is essential. Bluelab tools help you dial in your feeding for consistent, high-quality yields.

Recommended Bluelab Pens

Bluelab pH Pen Plus

Perfect for pH and temperature spot checks in reservoirs or measuring runoff. Now with a replaceable probe for continuity
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Bluelab OnePen

This 3-in-1 Pen measures pH, conductivity (EC), and temperature, optimising nutrient uptake. Connect to the Edenic app via Bluetooth for real-time data tracking
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Bluelab Conductivity Pen

An accurate and reliable conductivity (EC) and temperature pen. Measure nutrient levels to create the best nutrient environment for your plant’s growth
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Bluelab pH and Conductivity Starter Pack

Everything you need to get started, including pH and Conductivity Pens, plus essential care products
Shop PENSTP
Complete your Athena setup with precision tools: Explore Bluelab Pens

Trusted by growers worldwide, Athena and Bluelab work together to support precision growing.

Unlock the full potential of your Athena nutrients

Adjusting and maintaining pH

1

Measure First

Always check your baseline before adding anything.
2

Mix Nutrients

Add your Athena nutrients first. These often change the pH.
3

Adjust pH

Use pH Up or Down sparingly to reach your target range.

How to redeem your limited-time partner offer

1. Choose the right Bluelab Pen for your grow

2. Add to cart

3. Enter your exclusive Athena code at checkout: ATHENA26