What temperature should a fish tank be?

Most tank fish do well at temperatures from 75-80 degrees Fahrenheit (23-27 degrees Celsius), but the needs of specific fish can vary. If your tank is home to just one or two types of fish, it is best to investigate their preferred temperature range and take steps to keep your tank in the middle of that range.
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What temp kills fish?

Water temperatures below 40°F for extended periods may kill fish.
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What temperature is too cold for tropical fish?

Temperature is just one factor we need to consider when caring for our aquatic pets; others include water quality and a healthy diet. Too high or too low, and your tropical fish could fall ill. Goldfish prefer constant temperatures between 68° and 76° F, while cold-water species thrive at around 65 ° F or below.
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Can I add warm water to my fish tank?

It's recommended only as a temporary solution when trying to keep a fish tank warm without a heater. You can gradually warm up the water in your tank by adding a hot water-filled sealed bottle to your aquarium and letting it float until it's done its job.
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Should my fish tank water feel warm?

Generally it should feel warm, yes.
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Aquarium Temperature Tip!



How do I know if my fish tank is too hot?

The first sign of stress to your fish during hot weather is rapid gill movement or gasping for air at the surface. Corals and anemones will close up and their polyps or tentacles will retract. Algae growth may increase, and the water may begin to turn cloudy due to a bloom of heterotrophic bacteria.
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Can I put ice cubes in fish tank?

Break out the Ice

Don't use ice packs as they can leak, and don't throw ice cubes directly into the water either. Unless you're using un-chlorinated water, you will be directly adding chlorine and/or chloramine to your tank water.
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What temperature should a tropical tank be?

Tropical fish, for example, do best between 75° and 80°F, goldfish and other "cold-water" species prefer temperatures below 70°F, and temperate fish can be found in habitats that overlap tropical and cold-water realms.
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How often should feed fish?

For the most part, feeding your fish once or twice a day is sufficient. Some hobbyists even fast their fish one or two days a week to allow them to clear their digestive systems. Larger, more sedentary fish can go longer between meals than smaller, more active fish.
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Why are my fish at the top of the tank?

Usually, your fish goes to the top when he's not getting enough oxygen. Unlike you, he uses his gills to breathe the air that's already in the water. However, in some circumstances, there's not enough oxygen in the tank for all of the fish to breathe easily.
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Will tropical fish survive without a heater?

The ideal temperature for most tropical fish is between 74°F and 82°F. A heater will provide a constant temperature within this range. Without a heater, the water temperature can drop significantly in only a few hours and can cause your fish to become lethargic and, over time, cause death.
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How effective is aquarium fan?

You might think that a basic fan cooler that you switch on and off when necessary is the best solution for your marine aquarium, but actually, this can be an ineffective method of controlling your tank's temperature.
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Why does my fish tank lose water so fast?

Most cases of dropping water levels are simply evaporation, usually caused by higher temperatures in warmer climates. If you have an open topped aquarium consider using an evaporation tray in summer to reduce water loss.
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How do you check a fish tank temperature without a thermometer?

To check water temperature without a thermometer for tea, fill a pot with water and place it over high heat. Once tiny bubbles start to form on the bottom of the pot, you can estimate that the water is around 160° F (70° C). Once visible steam starts to rise from the pot, the water is around 170-180° F (75-80° C).
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How do I keep my fish tank from getting too hot?

Reducing Water Temperature
  1. Keep the aquarium lights turned off.
  2. Make sure the room does not receive direct sunlight.
  3. Remove the hood from the tank (use caution if your fish are jumpers). Also, keep an eye on any cats you may have.
  4. Place a fan so that it blows directly across the water.
  5. Float ice packs in the water.
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Is 82 degrees too hot for tropical fish?

You don't want the temp bouncing around more than 3 degrees because that will stress the fish. Try running your heater at 81-82.
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Do fishes drink water?

As well as getting water through osmosis, saltwater fish need to purposefully drink water in order to get enough into their systems. Where their freshwater counterparts direct all of the water that comes into their mouths out through their gills, saltwater fish direct some into their digestive tract.
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Why is my fish tank cloudy?

After starting a new aquarium, it is not uncommon for the aquarium to become cloudy. This is due to beneficial, nitrogen converting bacteria colonizing to oxidize ammonia and nitrites. This bacteria bloom can also occur in an established aquarium if there is a sudden increase in nutrients.
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Why does my fish tank turn brown?

Brown algae is a natural occurrence when setting up a new fish tank as the tank's system needs time to mature. It takes about four to six weeks to cycle a tank, that is, to establish its bacteria and nitrogen cycle.
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Do I need a cooler for my aquarium?

If you have an external filter, cooling your aquarium is a little easier. Running the tubes through colder water or even an ice box can really help, but you have to keep a close eye on everything. The temperature can't drop too quickly, as this can damage both the fish and your precious cycle.
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Why do you need a fan in aquarium?

An aquarium fan is an electronic device designed to move air through or around an aquarium. Aquarium fans prevent stagnation, which can be deadly to both fish and plants. They also help to maintain the temperature of the tank by mixing warmer waters with cooler waters.
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Is a aquarium chiller worth it?

Chillers are definitely overused in the hobby, but some people truly need them. If your tank is chronically hot (above 86 or so) then you might really need one. If you just have an occasional overheating problem or just want the tank to stay a few degrees cooler then a fan should be all you need.
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Do fish need lights in their tank?

Yes, aquarium fish need light to determine whether it's day or night. However, the natural light in your room is sufficient. Fish do not necessarily need an extra aquarium light. An aquarium light is to see your fish, and for live aquatic plant photosynthesis.
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Do tropical fish need a bubbler?

Just like you and me, fish need to breathe. To do this, fish draw dissolved oxygen out of the water – without it, most breeds of fish will suffocate. Bubblers add oxygen to your aquarium.
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