What do you use to clean electrode?

Instructions say to use distilled water to clean electrodes

Would this be a good tool for an aquarium?

Sure it will read the Ph for your tank

Does it work well for testing ph in a saltwater pool?

I don’t know anything about testing pool water but it will definitely give you the ph between 4.0-10

My pen has gone way out of calibration. Is there a way to calibrate it against an accurate test kit? I.e. just set the pH?

I second the answer but Alix. I thought it could be recalibrated against the standards they provide and I would be back to using the ph tool. Once it started to give me bogus readings I knew I had a new paper weight. I even bought 7.0 fluid so I could check it before each use so I knew the readings were correct. I have extensive experience calibrating thousands of gauges in a railroad machine shop to NIST and audited by the ARR annually. Knowing I have a good accurate tool is important to me. The quality of this tool is below the mark. I am surprised as I own VIVOSUN products that are more reliable so I thought I would give it a chance. It lasted almost a year for me.

VIVOSUN Digital PH Meter for Water, 0.01ph High Accuracy Pen Type PH Tester for Hydroponics, Household Drinking, Pool and Aquarium

Product ID: 287514540

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Details

Brand
VIVOSUN
Manufacturer
VIVOSUN
Unit count
1 Count
pH range
0.00-14.00

📏0.01 pH ultra-precise resolution

🌡️Automatic Temperature Compensation (ATC)

🖥️Clear backlit LCD display

Description

💧 Stay sharp, stay balanced — master your water’s pH like a pro!

ALL INCLUSIVE KIT - Comes with batteries and buffer powders so you’re ready to test right out of the box.
PINPOINT ACCURACY - Measure pH from 0.00 to 14.00 with 0.01 precision for flawless water quality control.
COMPACT PORTABLE - Sleek pen-size design fits your pocket, perfect for on-the-go testing in any environment.
USER FRIENDLY INTERFACE - Backlit LCD screen ensures crystal-clear readings anytime, even in low light.
SMART TEMPERATURE ADJUSTMENT - ATC technology instantly calibrates readings to water temperature—no guesswork needed.

The VIVOSUN Digital pH Meter is a lightweight, pocket-sized pen tester offering ultra-precise 0.01 pH resolution across the full 0-14 range. Featuring Automatic Temperature Compensation and a backlit LCD, it delivers fast, accurate readings ideal for hydroponics, aquariums, pools, and household water testing. Batteries and calibration powders included for immediate use.

Specifications

ASIN	B01M5IASHD
Brand	VIVOSUN
Brand Name	VIVOSUN
Customer Reviews	3.8 out of 5 stars 7,889 Reviews
Included Components	Batteries included
Item Weight	0.11 Kilograms
Manufacturer	VIVOSUN
Material Type	ABS
Recommended Uses For Product	Aquarium, ph Test, Spa, Swimming Pool, Home Water, Hot Tub, Tap Water, Well Water, Water Test, pH Test, Aquaculture, Hydroponics, Liquid Food, Laboratory
Recommended uses for product	Aquarium, ph Test, Spa, Swimming Pool, Home Water, Hot Tub, Tap Water, Well Water, Water Test, pH Test, Aquaculture, Hydroponics, Liquid Food, Laboratory Recommended uses for product Aquarium, ph Test, Spa, Swimming Pool, Home Water, Hot Tub, Tap Water, Well Water, Water Test, pH Test, Aquaculture, Hydroponics, Liquid Food, Laboratory See more
Sterility Rating	0.00-14.00
UPC	714119465581
Unit Count	1 Count
Unit count	1 Count
pH range	0.00-14.00

Reviews

A**O

Units doesn’t fit for my expectation

Units doesn’t fit for my expectation . It not even allow me to on . I changed the battery but still the same

11.06.2023

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

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