Can this be calibareted for more acidic solutions, say pH 2?

I would have thought once the device had been calibrated at 4.0ph and 8.0ph for accuracy then it should show your readings for 2.0ph +/- whatever. If I were to stick the device into a glass of tap water it would show me the exact readings for my tap water no matter how acidic or alkaline it was.

Do you get solutions with it

I got two diff solutions to help calibrate

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PENPH pH Pen Fully Waterproof Pocket Tester, Easy Calibration, Double Junction Probe for Improved Accuracy and Durability, White

Product ID: 48177673

Details

Brand
Bluelab
Item dimensions L x W x H
20.3 x 5.5 x
Item weight
122 g
Material
Glass
Number of items
1

💧Fully waterproof design

🔬Double junction probe for lab-grade accuracy

⚙️Easy 2-point calibration & auto temp compensation

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Stay ahead of the curve with precision pH testing that fits in your pocket!

READY WHEN YOU ARE - Includes AAA battery, calibration solution, and lanyard—calibrate and test on the go with confidence.
BUILT TO BRAVE THE ELEMENTS - Fully waterproof and washable, this pocket tester thrives in any environment—rain or shine.
LONGEVITY MEETS RELIABILITY - Double junction probe extends lifespan and accuracy beyond standard pens and strips.
PRECISION AT YOUR FINGERTIPS - Lab-quality glass probe ensures pinpoint pH readings for hydroponics, pools, brewing, and more.
SMART CALIBRATION ZERO HASSLE - Two-point calibration with reminders keeps your readings reliable without the guesswork.

The Bluelab PENPH pH Pen is a fully waterproof, pocket-sized digital tester featuring a durable double junction glass probe for superior accuracy and lifespan. It offers easy two-point calibration with auto temperature compensation, a backlit LCD display, and calibration reminders, making it ideal for professionals managing hydroponics, pools, brewing, and water quality. Included accessories and a 1-year warranty ensure a ready-to-use, reliable tool trusted worldwide.

Specifications

ASIN	B005POOJHG
Best Sellers Rank	15,958 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 25 in Lab pH Meters
Brand	Bluelab
Country Of Origin	New Zealand
Customer Reviews	4.3 4.3 out of 5 stars (4,578)
Global Trade Identification Number	09421024920234
Included Components	PH Pen
Item Dimensions	20.3 x 5.5 x 2.5 centimetres
Item Type Name	pH Meter
Item Weight	122 g
Manufacturer	Bluelab
Manufacturer Part Number	PENPH
Material	Glass
Model Number	pH Pen
Product Warranty	One year free repair or replacement guarantee
UPC	706842510010 715706332132
Unit Count	1.0 count

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