ORP Liquid Tester 30 mL – Oxidation Reduction Potential Test Solution for Water, Pools, Aquariums, and Hydroponics | ORP Calibration Liquid

Accurate & Convenient ORP Testing with 30 mL Liquid Solution – For Water Quality, Pool Maintenance, Hydroponics & More

Ensure clean, safe, and properly balanced water with our 30 mL ORP Liquid Tester. This premium Oxidation Reduction Potential (ORP) test solution is designed for quick, accurate measurement of water’s ability to oxidize or reduce contaminants. Ideal for calibrating ORP meters and testing in a variety of environments, including pools, aquariums, hydroponics systems, drinking water filters, and more.

This 30 mL bottle provides plenty of ORP test solution for multiple uses — perfect for professionals, hobbyists, and home users who require reliable water monitoring.

Key Features:

• ✔️ 30 mL Bottle – more solution for extended use and frequent testing

• ✔️ Multi-Use Applications – great for pools, spas, aquariums, hydroponics, and labs

  How to Use:

  1. Shake well before use.

  2. Add a few drops to your sample solution. you can see results