Dexter's Pet Products is happy to offer you trusted meters in order to keep track of your Saltwater or Freshwater Aquarium Temperature, salinity, & other water parameters as well.
Hikari Hydrometer: Wide Range Specific Gravity Meter For Marine Aquarium Use. Takes a more “true” water sample at a 6 inch depth avoiding inaccurate surface sampling with an auto-temperature correcting design. Designed for temperature-corrected reading in warm water aquariums – 68°F to 85°F with a Self-leveling, hanging device included.
Ammonia Alert Combo (Freshwater Only) By SeaChem uses Seachem sensor technology to continuously monitor ammonia & ph in your system. This Ammonia Alert Combo uses NO TESTS & NO STRIPS & can be used by Marine & Freshwater applications. The device detects less than 0.05 mg/L (ppm) free ammonia and alerts you to the #1 killer before any sign of stress. It...