Bluelab pH Pen

Bluelab pH Pen - Accurate to ±0.1 pH, durable, waterproof, floats, fast, stable, dual probe, temperature compensation, easy to calibrate - Made in New Zealand

Perfect pH control for various media - pH meter for hydroponics can be used for grow tents, swimming pools, drinking water, aquariums, fish tanks, and in breweries. Our pH meter offers a quick and convenient way to manage the success of your crops. It helps you ensure that pH and temperature are always within the optimal range for maximum nutrient uptake.

Easy Calibration - Set up our digital pH meter with a two-point calibration procedure. Calibrate the handheld meter before first use. Each digital pH meter comes with a 30-day calibration indicator, which can be viewed on a backlit LCD display. The kit includes one 20 ml sachet each of pH 7, pH 4, and KCl for initial hydration and calibration.

Withstands even the harshest conditions - Our soil pH tester has a waterproof housing. It can withstand bumps, drops, and deep water immersion. Our digital tester floats when immersed in a solution. Combine our pH testers and PPM meters for complete water and soil nutrient monitoring in indoor gardens.

Achieve accurate readings with a dual-contact probe. Unlike glass bulbs, the dual-contact probe minimizes contamination. Therefore, it helps improve precise readings and has a longer lifespan. This pH pen features automatic temperature compensation for accurate temperature. Our hydroponic pH meter takes measurements in 0.1 pH increments.

Premium design and manufacturing - This digital pH meter for water and soil is available with an auto-off feature. It features a low battery indicator and "C" and "F" temperature units. Instructions are located on the back of the pH pen. Included are one AAA battery and a lanyard for hands-free use. The pH tester is easily accessible and won't get lost during use or movement.

Shipping costs
For shipping within Germany, we charge a flat rate of €6.90 , and for seed orders, it's just €3.90 . We want to offer you a special shopping experience – for orders over €150, we cover the shipping costs for you, so your order will be delivered to your home free of charge.

Shipping time
We know how important fast and secure deliveries are. That's why your order will be carefully packaged and insured within Germany to ensure it arrives safely. Delivery time is typically 1-4 business days , so you can have your desired products in your hands soon.

You can return your order to us within 14 days.