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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We remain fully operational. Our teams are working around the clock to ensure your deliveries continue safely.

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Our Other Brands:Hewyn|Selfship

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 precision

🔋Built-in + extra batteries

🌡️Automatic Temperature Compensation

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R$159

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Sold byAmazon BrazilDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌟 Stay ahead of the curve with precision you can trust!

COMPACT BACKLIT DISPLAY - Pocket-sized design with a clear LCD screen for effortless readings anytime, anywhere.
INSTANT READINGS WITH ATC - Automatic Temperature Compensation means no waiting—just reliable results every time.
VERSATILE FOR EVERY LIQUID - Perfect for home, lab, aquarium, or commercial use—your all-in-one pH solution.
READY TO USE OUT OF THE BOX - Pre-calibrated with batteries included, so you can start testing immediately.
PINPOINT ACCURACY AT 0 01 P H - Get lab-grade precision for your hydroponics, pools, or drinking water.

The VIVOSUN Digital pH Meter delivers ultra-precise 0.01 pH readings with automatic temperature compensation for fast, reliable results. Compact and lightweight with a backlit LCD, it’s pre-calibrated and includes batteries plus calibration powders, making it ideal for hydroponics, pools, aquariums, and household water testing. UL certified and highly rated, it’s the go-to tool for professionals and enthusiasts who demand accuracy on the go.

Specifications

ASIN	B01M5IASHD
Best Sellers Rank	#1,918 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #3 in Lab pH Meters
Brand Name	VIVOSUN
Customer Reviews	3.9 3.9 out of 5 stars (8,631)
Included Components	Batteries included
Item Weight	0.11 Kilograms
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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R$159

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In stock

Sold byAmazon BrazilDelivered 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 Brazil.

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TrustScore 4.5 | 7,300+ reviews

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