Features & Benefits. Accurate to 0.001 specific gravity and salinity (PPT) measurements; Full 'Dry Hands' design avoids contamination of aquarium or water... Designed to give a temperature-corrected reading in warm water aquariums – 68-Degree F to 85-Degree F (20-Degree C to 30-Degree C) Tag: hikari hydrometer | Reef Builders | The Reef and Saltwater Aquarium Blog Find Hikari accuprobe hydrometer saltwater reef aquarium at Pricetronic.com Durable Construction: Made to last for extended use. Buy Hikari HIK96010 Accuprobe Aquarium Hydrometer from Canada. Shop for more Fish Health Care available online at Cleaning Instructions: To maintain accuracy, soak the hydrometer in lukewarm water or vinegar for 30 minutes to remove salt deposits, then rinse and air dry. Planted Aquarium Keep It Simple Let the water reach the fill line, then remove it and place it on a level surface for an accurate reading. Dry Hands design avoids contamination of aquarium or water sample , Accurate to 0., 001 specific gravity and salinity (PPT) measurements , Auto-temperature correcting design Rinse with fresh water after each use for optimum accuracy. Self-leveling, hanging device included