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

Bluelab 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

🔋Auto off & low battery indicator

⚖️Double junction probe for precision

₨3478

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Description

💧 Precision pH Testing, Anywhere You Go!

SMART POWER MANAGEMENT - Auto shut-off and low battery alerts ensure your meter is ready when you are—no surprises.
BUILT TO BRAVE THE ELEMENTS - 100% waterproof casing means reliable testing poolside, in hydroponics, or brewing environments.
COMPLETE KIT FOR INSTANT USE - Includes AAA battery, lanyard, and calibration solution—start testing right out of the box.
LAB GRADE ACCURACY IN YOUR POCKET - Double junction glass probe delivers unmatched precision for acid & alkaline solutions.
EFFORTLESS CALIBRATION ALWAYS READY - Easy two-point calibration with reminders keeps your readings flawless every time.

The Bluelab PENPH pH Pen is a fully waterproof, pocket-sized digital meter featuring a durable double junction glass probe for superior accuracy and longevity. Designed for professionals managing pools, hydroponics, brewing, and water quality, it offers easy two-point calibration with auto temperature compensation and a backlit LCD display. With smart power-saving features and a complete starter kit included, this New Zealand-made device ensures lab-quality pH measurements anytime, anywhere.

Specifications

ASIN	B005POOJHG
Best Sellers Rank	84,966 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 113 in Lab pH Meters
Brand	Bluelab
Customer Reviews	4.3 4.3 out of 5 stars (4,608)
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
Number of Items	1
Product Warranty	One year free repair or replacement guarantee
UPC	706842510010 715706332132
Unit Count	1.0 count

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