DD True Refractometer

DD True Refractometer – Accurate Marine Salinity Testing

The DD True Refractometer is a simple and reliable tool for checking the salinity and specific gravity of aquarium water. It is especially useful for marine and reef aquariums where maintaining stable salinity is important.

With an easy-to-read optical scale, you can quickly check your aquarium water during regular maintenance, water changes, or when setting up a new marine tank.

✨ Key Features

• Designed for marine aquarium water testing
• Measures salinity and specific gravity
• Easy-to-read optical scale
• Quick and simple to use
• Ideal for marine & reef aquariums
• Compact and convenient for regular testing

📦 Product Details

• Product: DD True Refractometer
• Type: Optical Refractometer
• Suitable for: Marine & Reef Aquariums
• Use: Salinity / Specific Gravity Testing

💡 Recommended Use
Place a few drops of aquarium water onto the prism, close the cover, and look through the eyepiece to read the salinity level. For best accuracy, calibrate the refractometer regularly according to the manufacturer's instructions.