Review on 🌊 Accurate Salinity Measurement with boxtech Aquarium Marine Test: Sea Saltwater Hydrometer and Reef Ocean Salinity Meter by Kevin Apriando

If you're new to this, pay attention. Bubbles form on the float, which must be shaken off (very easy). DO NOT install this in your aquarium or algae will grow. How to use it correctly: 1. Fill with water, tap the tank to make bubbles.2. Repeat step 1 about 5 times3. Fill with water and read off. This is calibrated to 77 degrees Fahrenheit or 25 degrees Celsius. If you have fish in cold water (up to 25 degrees Celsius), use google.com to find conversion tables. It's not a big difference, but when you keep expensive corals and fish in very cold water. "Maybe I want to see it.