ORP Tester – Easy to Read ORP Tester Pen

ORP Tester – Easy to Read ORP Tester Pen

ORP Tester – Easy to Read ORP Tester Pen

Are you looking for a reliable and easy-to-use ORP tester? Look no further! Our ORP Tester Pen is designed to provide accurate readings with its clear LCD display and high sensitivity. Whether you are involved in hydroponics, managing water sources, maintaining aquariums, or taking care of swimming pools, this ORP tester is a must-have tool.

Key Features

Clear LCD Display

The ORP Tester Pen features a clear LCD display that allows for easy reading of the ORP (Oxidation-Reduction Potential) values. The display provides a clear and accurate measurement, ensuring that you can easily monitor the ORP levels of your water sources.

Easy to Operate

Operating the ORP Tester Pen is a breeze. Simply dip the pen into the water sample, and the LCD display will show the ORP value within seconds. The user-friendly interface makes it easy for anyone to use, even without prior experience.

High Sensitivity

With its high sensitivity, the ORP Tester Pen can detect even the slightest changes in ORP levels. This allows you to quickly identify any potential issues and take necessary actions to maintain the desired ORP levels in your hydroponics system, water sources, aquariums, or swimming pools.

Frequently Asked Questions

1. How often should I calibrate the ORP Tester Pen?

We recommend calibrating the ORP Tester Pen before each use to ensure accurate readings. Regular calibration will help maintain the reliability and performance of the tester.

2. Can the ORP Tester Pen be used in saltwater aquariums?

Yes, the ORP Tester Pen is suitable for use in both freshwater and saltwater aquariums. It provides accurate ORP readings regardless of the water type.

3. Is the ORP Tester Pen waterproof?

The ORP Tester Pen is water-resistant, but not fully waterproof. It can withstand occasional splashes or brief submersion, but prolonged exposure to water may damage the device.


The ORP Tester Pen is a reliable and easy-to-use tool for monitoring ORP levels in hydroponics, water sources, aquariums, and swimming pools. With its clear LCD display, easy operation, and high sensitivity, it provides accurate readings and helps you maintain the desired ORP levels. Don’t compromise on the quality of your water – invest in the ORP Tester Pen today!