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

📏Double junction probe for precision

🔋Auto off & low battery indicator

S/.765

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Description

💧 Precision pH Testing, Anywhere You Go — Don’t Get Left Behind!

SMART POWER MANAGEMENT - Auto-off function and low battery alerts keep your device ready when you need it most.
COMPLETE READY TO GO KIT - Includes AAA battery, lanyard, and calibration solution—start testing immediately with zero hassle.
BUILT TO BRAVE THE ELEMENTS - Fully waterproof casing means you can confidently test pools, hydroponics, or brewing setups anywhere.
EFFORTLESS CALIBRATION USE - Easy two-point calibration with auto temperature compensation ensures reliable readings every time.
LAB GRADE ACCURACY IN YOUR POCKET - Double junction glass probe delivers superior precision and durability unmatched by test strips or standard pens.

The Bluelab PENPH pH Pen is a fully waterproof, pocket-sized digital tester featuring a durable double junction glass probe for lab-quality accuracy. Designed for professionals managing pools, hydroponics, brewing, and water quality, it offers easy two-point calibration, auto temperature compensation, and smart power-saving features. This New Zealand-made device comes complete with battery, lanyard, and calibration solution, backed by a 1-year warranty—ensuring you stay ahead with reliable, precise pH measurements wherever your work takes you.

Specifications

ASIN	B005POOJHG
Best Sellers Rank	83,979 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 116 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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S/.765

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In stock

Sold byAmazon PeruDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Peru.

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