{"id":7804,"date":"2023-11-22T04:24:00","date_gmt":"2023-11-22T03:24:00","guid":{"rendered":"https:\/\/aquaforest.eu\/?post_type=docs&p=7804"},"modified":"2025-02-13T11:48:54","modified_gmt":"2025-02-13T10:48:54","password":"","slug":"how-to-acclimate-new-fish-to-tank-methods-tips","status":"publish","type":"docs","link":"https:\/\/aquaforest.eu\/en\/knowledge-base\/how-to-acclimate-new-fish-to-tank-methods-tips\/","title":{"rendered":"How to acclimate new fish to tank? Methods & tips | Blog about aquariums | Resources | Aquaforest"},"content":{"rendered":"

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When introducing new fish to your aquarium, it’s critical to acclimate them properly to their new environment. This can be a delicate process, but with the right methods and tips, fish acclimation can be a breeze. This guide will help pave the way for a successful transition and a healthy, comfortable home for your aquatic creatures.<\/p>\n

Why should you acclimate your new fish?<\/span><\/h2>\n

Not allowing your fish sufficient time to adjust to your aquarium, or simply emptying the entire bag into the tank, can pose significant health risks to both the new fish and existing species in the tank. The water from the fish store may harbor harmful diseases, and not taking the necessary precautions when changing this water for new fish can expose them to various health hazards.<\/p>\n

New fish can experience shock due to the abrupt transition into a new environment. Many fish species are notably sensitive to swift alterations in water conditions, resulting in the new fish undergoing shock from unfamiliar surroundings.<\/p>\n

This abrupt adaptation can induce excessive stress in your fish, making them more prone to sickness. If the fish doesn’t die from the shock outright, it could become more susceptible to disease and illness.<\/p>\n

How long to acclimate new aquarium fish?<\/span><\/h2>\n

When introducing new fish into the aquarium, it is essential to give them time to acclimate to their new home. This process involves gradually adjusting the temperature of the fish bag to that of the aquarium.<\/p>\n

Put the fish bags in the aquarium or sump. It can take 15 to 30 minutes for the temperature in the aquarium to equilibrate. This process will reduce stress on the animals when they are placed in the tank. However, before you do that, we recommend reducing light intensity into aquarium or totally off.<\/p>\n

Keep in mind that fish purchased online stay in total darkness for several hours or more. Sudden exposure to strong light is very detrimental to their organism. This makes the fish more stressed and thus excrete more ammonia, which reduces the fish’s chances of survival.<\/p>\n

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How to properly acclimate fish?<\/span><\/h2>\n

We recommend quarantining every new fish. This process can be carried in other small quarantine tank or big bucket. During quarantine, you need to ensure light, warming, and filtration. The time of quarantine shouldn’t be shorter than 2 weeks. Then you should observe the behavior of fish, and whether there are symptoms of disease.<\/p>\n

In case that you detect any diseases, you need to start treatment. Diseases in the target aquarium could contribute to the death of the fish and invertebrates kept there.
You can find more information on why quarantine is so important\u00a0here<\/a><\/span>.<\/p>\n

No matter which way of acclimatization and quarantine fish you will choose, you have to prepare yourself a freshly made brine in a volume of 5 to 20 liters. It’s crucial because when taking water for acclimatization from the aquarium, make up the shortfall with fresh water.<\/p>\n

Let’s move on to acclimatization methods for our fish!<\/strong><\/p>\n

Acclimating with the Floating Method<\/h3>\n

1. Float the bag<\/strong><\/p>\n