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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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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

Product ID: 287514540

Details

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

📏0.01 pH resolution

🔋Built-in batteries included

🌡️Automatic Temperature Compensation

RM112

Duties & taxes included

In stock

Sold byAmazon MalaysiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Master your water’s pH like a pro—because precision is power!

COMPACT READY TO GO - Pocket-sized, lightweight design with backlit LCD for anytime use
COMPLETE KIT INCLUDED - Comes with batteries, user manual, and buffer powders for hassle-free calibration
PRECISION AT YOUR FINGERTIPS - Ultra-fine 0.01 pH accuracy for flawless water quality control
SMART TEMPERATURE ADAPTATION - ATC technology delivers instant, temperature-adjusted readings
VERSATILE FOR EVERY ENVIRONMENT - Perfect for hydroponics, aquariums, pools, labs, and household water testing

The VIVOSUN Digital pH Meter Pen offers ultra-precise 0.01 pH resolution with automatic temperature compensation, ensuring fast and accurate readings across a wide range of applications including hydroponics, aquariums, pools, and household water. Its compact, lightweight design with a backlit LCD makes it ideal for professionals and enthusiasts who demand reliable water quality testing on the go. Included accessories like batteries and calibration powders guarantee immediate use and long-term accuracy.

Specifications

ASIN	B01M5IASHD
Brand Name	VIVOSUN
Customer Reviews	3.8 3.8 out of 5 stars (8,360)
Included Components	Batteries included
Item Weight	0.11 Kilograms
Manufacturer	VIVOSUN
Material Type	ABS
Model Number	4316344538
Number of Items	1
Part Number	4316344538
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
Sterility Rating	0.00-14.00
UPC	714119465581
Unit Count	1 Count

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