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.

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VIVOSUN Digital pH Meter, 0.01pH High Accuracy Pen Type pH Tester for Hydroponics, Household Drinking, Pool and Aquarium, Yellow, UL Certified

VIVOSUN Digital pH Meter, 0.01pH High Accuracy Pen Type pH Tester for Hydroponics, Household Drinking, Pool and Aquarium, Yellow, UL Certified

Product ID: 40679482

Details

Brand
VIVOSUN
Manufacturer
VIVOSUN
Ph Range
0.00-14.00
UPC
714119465581
Unit Count
1.0 Count

📏0.01 pH ultra-precise accuracy

🔋Built-in batteries for instant use

🌡️Automatic Temperature Compensation (ATC)

€ 20.30

Duties & taxes included

In stock

Sold byAmazon BelgiumDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌊 Master your water’s pH like a pro—precision meets convenience!

PINPOINT PRECISION - Get lab-grade 0.01 pH accuracy for flawless water quality control.
READY WHEN YOU ARE - Comes with built-in batteries and buffer powders—calibrate and test on the spot.
VERSATILE PRO UTILITY - Perfect for hydroponics, pools, aquariums, and household water testing—be the water quality guru in your circle.
COMPACT USER FRIENDLY - Pocket-sized with a backlit LCD for clear readings anytime, anywhere.
SMART TEMPERATURE ADAPTATION - ATC tech adjusts readings instantly, no manual tweaks needed.

The VIVOSUN Digital pH Meter delivers ultra-precise 0.01 pH readings with automatic temperature compensation, ensuring fast and accurate water quality testing. Its compact, lightweight design with a backlit LCD makes it ideal for hydroponics, pools, aquariums, and household use. UL certified and ready to use out of the box with included batteries and calibration powders.

Specifications

ASIN	B01M5IASHD
Best Sellers Rank	#2,601 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #3 in Lab pH Meters
Brand Name	VIVOSUN
Customer Reviews	3.8 3.8 out of 5 stars (8,787)
Included Components	Batteries included
Manufacturer	VIVOSUN
Material Type	ABS
Model Number	4316344538
Part Number	4316344538
Sterility Rating	0.00-14.00
UPC	714119465581
Unit Count	1.0 Count

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