Why should I choose the Bluelab pH pen over others?

The probe quality. Highly accurate, compensates for temp & is fast to a stable reading. It's a double junction probe, so it's durable. And it's full of thoughtful touches (the ring on top, the storage cap, the calibration indicator to name a few).

Other pens come with a hard carry case & calibration solutions in plastic bottles. Yours does not. Why is that?

Great question. We have made the deliberate choice to make our packaging as sustainable as possible. To that end, our packaging is all fully recyclable, with no hard plastics or styrofoam inserts.

How does Bluelab make calibration super easy?

Calibrating is an easy & fast process! Each pen includes calibration solutions & clear instructions. A check mark appears when the pen is calibrated. When the pen loses calibration, the check mark disappears, informing you it's time to recalibrate.

I sometimes see a white crust built up on the end of the pen. What is this?

This is very common in pH meters & is nothing to worry about. The storage solution used to hydrate your pen (and extend its longevity) is potassium salt, which sometimes dries as a white crust on your probe. Simply rinse this away under water.

Can I use the pH Pen to measure the pH of tap water, distilled water, or reverse-osmosis water?

No. For distilled & RO water there aren't enough dissolved ions (salts) for a stable pH reading. For tap water, w/o sufficient dissolved minerals, the answer is also no. Adding a few drops of KCL storage solution may work to enable a stable reading.

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🌊 Dive into Precision with the BLU8000 PENGTB!

BACKLIT LCD DISPLAY - Read your results effortlessly, even in low light conditions.
COMPLETE KIT INCLUDED - Comes with AAA battery, lanyard, and calibration solution for immediate use.
USER FRIENDLY CALIBRATION - Easily calibrate with a two-point system and enjoy auto temperature compensation.
PRECISION AT YOUR FINGERTIPS - Experience lab-quality pH measurements with a glass probe designed for accuracy.
DURABLE DOUBLE JUNCTION PROBE - Enjoy enhanced reliability and longevity compared to standard probes.

The BLU8000 PENGTB Grower's Toolbox is a state-of-the-art pH meter designed for various applications including hydroponics, brewing, and water quality testing. Featuring a lab-quality glass probe, it ensures precise measurements in both acidic and alkaline solutions. With user-friendly calibration, a backlit LCD display, and a durable double junction probe, this device is perfect for professionals seeking reliability and accuracy. Made in New Zealand by Bluelab, it comes with a complete kit and a 1-year limited warranty.

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

€ 248.97

Duties & taxes incl.

Slovakiastore

Free Returns

30 daysfor PRO membership users

15 dayswithout membership

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

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Color	White
Size	Pack Of 1
Style	pH Pen
Height	5 centimeters
Length	21 centimeters
Weight	0.24 Kilograms
Width	9 centimeters
Material Type	Glass
Number of Items	1
Number of Pieces	1
Power Source	Battery Powered
Features	Washable
Included Components	PH Pen
Batteries Included?	Yes
Brand	Bluelab
Manufacturer	Bluelab
Item model number	PENPH
Product Dimensions	20.32 x 5.49 x 2.49 cm; 122.47 g
ASIN	B005POOJHG

Bluelab BLU8000 PENGTB Grower's Toolbox with pH

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