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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Digital pH Meter 0.01 Accuracy Pen Tester for Water Hydroponics

Product ID: 40679482

Details

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

💡Backlit LCD for clear readings

📏±0.01 pH ultra-precision

🌡️Automatic Temperature Compensation (ATC)

Rp365933

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Sold byAmazon IndonesiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

📊 Master your water’s pH like a pro—precision meets portability!

COMPACT PORTABLE DESIGN - Pocket-sized and lightweight—carry your pH expertise wherever your projects take you.
VERSATILE APPLICATION RANGE - Perfect for hydroponics, aquariums, pools, labs, and more—be the go-to expert in any environment.
EFFORTLESS CALIBRATION USE - Auto calibration and intuitive LCD display make testing fast, simple, and error-free.
SMART TEMPERATURE ADAPTATION - ATC technology instantly adjusts readings to water temperature for reliable results every time.
PRECISION THAT PROFESSIONALS TRUST - Achieve lab-grade ±0.01 pH accuracy for flawless water quality control.

The VIVOSUN Digital pH Meter delivers ultra-precise ±0.01 accuracy with automatic temperature compensation and easy auto calibration. Its backlit LCD ensures clear readings in any lighting, while the compact, lightweight design makes it ideal for professionals managing hydroponics, aquaculture, pools, and laboratory water testing. Complete with batteries and calibration powders, it’s a ready-to-use tool trusted by thousands.

Specifications

ASIN	B01M5IASHD
Best Sellers Rank	#1,830 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #4 in Lab pH Meters
Brand	VIVOSUN
Brand Name	VIVOSUN
Customer Reviews	3.8 out of 5 stars 8,920 Reviews
Included Components	Batteries included
Item Highlight	±0.01 pH Accuracy, ATC, Auto Calibration, Backlit LCD, Memory, Compact, UL Certified, for Hydroponics Aquarium Pool Drinking Item Highlight ±0.01 pH Accuracy, ATC, Auto Calibration, Backlit LCD, Memory, Compact, UL Certified, for Hydroponics Aquarium Pool Drinking See more
Item Weight	0.11 kg
Manufacturer	VIVOSUN
Material Type	ABS
Model Number	4316344538
Number of Items	1
Part Number	4316344538
Ph Range	0.00-14.00
Sterility Rating	0.00-14.00
UPC	714119465581
Unit Count	1 Count

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Rp365933

Duties & taxes included

In stock

Sold byAmazon IndonesiaDelivered 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 Indonesia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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