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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💧 Master your water’s pH like a pro — precision in your pocket!

COMPACT PORTABLE DESIGN - Lightweight, pocket-sized pen fits seamlessly into your busy lifestyle.
EFFORTLESS CALIBRATION USE - Advanced tech and clear LCD screen make testing fast, simple, and reliable.
SMART TEMPERATURE ADJUSTMENT - ATC technology instantly calibrates readings to water temperature for flawless results.
PINPOINT ACCURACY EVERY TIME - 0.01 pH resolution ensures lab-grade precision for your water quality needs.
VERSATILE FOR EVERY ENVIRONMENT - Perfect for hydroponics, pools, aquariums, labs, and household water testing.

The VIVOSUN Digital pH Meter is a compact, battery-powered pen tester delivering ultra-precise 0.01 pH resolution with automatic temperature compensation. Designed for hydroponics, pools, aquariums, and household water testing, it features a clear backlit LCD for easy reading and quick calibration, making it an essential tool for professionals and enthusiasts demanding accuracy on the go.

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Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

RM113

Duties & taxes incl.

Malaysiastore

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Zainab N.

Fantastic and great service. Shipping was faster than expected.

1 week ago

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

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Color	Yellow
Size	6.1x1.22 Inch
Length	6.5 inches
Weight	50 Grams
Width	1.22 inches
Material Type	ABS
Number of Items	1
Power Source	Battery-powered
Included Components	Batteries included
Batteries Included?	Yes
Brand	VIVOSUN
Manufacturer	VIVOSUN
Item model number	4316344538
Package Dimensions	16.9 x 5.3 x 3.2 cm; 110 g
ASIN	B01M5IASHD

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

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