In case you’re new to owning a fish tank, let’s break down the ideal water temperature for aquariums based on the type you own. Maintaining the ideal water temperature can help create a cleaner, healthier, more enjoyable environment for your fish, plants, and other residents of the fish tank.

When you add RODI water to your tank, the water should be at room temperature. That we’ve mentioned many times in past blogs; if the water is too cold, it could shock the livestock, and if it’s too warm, it could make them uncomfortable. Either way, they could get sick.

Adding water to the tank could change the temperature, so it’s important to keep your eye on the temperature after water changes.

In case you’re new to owning a fish tank, let’s break down the ideal water temperature for aquariums based on the type you own. Maintaining the ideal water temperature can help create a cleaner, healthier, more enjoyable environment for your fish, plants, and other residents of the fish tank.

It always depends on the specific types of fish you have, but following are some general aquarium water temperature standards.

  • Freshwater Aquarium (heated): 76 to 80 degrees
  • Cold Water Freshwater Aquarium (not heated): 60 to 80 degrees, with 70 being optimal
  • Freshwater Planted Aquarium: 76 to 80 degrees
  • Saltwater Aquarium: 78 to 82 degrees
  • Saltwater Reef Aquarium: 75 to 78 degrees
  • Fish Only Marine Aquariums: 72 to 78 degrees
  • FOWLR Aquariums (Fish Only with Live Rock): 72 to 78 degrees
  • Shrimp Aquariums: 57 to 84 degrees, with 72 degrees being optimal
  • Aquatic Frog Tanks: 75 to 85 degrees during the day with 78 degrees being optimal and 65 to 75 degrees at night

The above are general guidelines. No temperature is ideal for every situation, especially as the overall house or office building is a factor in the temperature of the water as well. Be sure to speak with us about ideal temperatures for your specific fish and aquarium setup.

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