Hydrometer
$20.00
Know your water salinity in an instant with a Hydrometer. Accuracy to 0.001 specific gravity units so you have peace of mind (certified calibration).
Advanced Features include:
- Large numeric display includes sweet spot for marine and reef aquariums
- Water is gently diverted to bottom, reducing air bubbles from forming
- Designed to give temperature-corrected readings in warm water aquariums (68º – 85º F / 20º – 30º C)