The pen has a clear, backlit display that shows the pH reading, and it also has a hold function that allows growers to freeze the reading for later recording. The Bluelab pH Pen is the latest innovation for hand held pH meters and is the ultimate handy solution for measuring pH. You can also expand your toolkit with our pH accessories and replacement parts, including replacement pH probes, storage caps and carry cases. The pH probe is gel filled (non-refillable) making it maintenance free and has a double junction reference which provides longer life! Temperature affects the growth rate and structure of a plant so a solution temperature of 18 – 22°C or 65 – 72°F is recommended.

But what about all the smaller necessities that are so important such as pH testing kits, trays and clamps? This tick will disappear after 30 days and therefore serves as a good indicator of when to calibrate again.No matter where you are in your hydroponic journey, this product is essential for maintaining optimal pH and temperature levels in your hydroponic system. Created in New Zealand, our entire product range has been designed for the grower environment - not the lab. The Bluelab pH Pen also measures the temperature of the solution, as root health is vital to the success of a crop. With Bluelab’s Conductivity Pen, you can take measurements of your nutrient solution to ensure that your plants truly flourish. Important: While we aren't against growing marijuana, this subreddit is for those who want to grow plants that are universally legal.

By pairing the Bluelab pH Pen with the Bluelab EC Truncheon V2, you can accurately measure both pH and nutrient levels, ensuring optimal plant health and nutrient balance. This Grow Room Essentials collection will help you organise your growing space to ensure everything is working at its maximum potential. When growing, it’s easy to get caught up in the obvious big things: nutrient feeders/bottles, tent and extraction.

Get your nutrient temperature right to fight root diseases, improve growth and boost nutrient uptake further.

This 2-in-1 Bluelab pH Pen will measure the temperature of your solution, as well as the pH reading.

The Bluelab Pulse Meter will allow you take quick and accurate measurements of the conductivity, moisture and temperature of your root zone. You'll also find information on calibration and the availability of nutrients at different pH ranges. Plants get their nutrient from minerals but they can only get all the right minerals they need if certain conditions are right. However, plants can only access these nutrients when the nutrient solution is within a certain pH range. So, you can feel confident that your Bluelab Soil pH Pen will withstand the knocks, drops and deep-water plunges that come with everyday growing.