These will be your best methods to reduce the heat: We would like to know the tips you use to keep the temperature suitable for all members of your aquarium, please leave a comment below. There are a number of methods for keeping your tank cool, but the correct answer will be determined by the aquarists’ circumstances and fish inhabiting the aquarium. Examples: Tropical fish – 72° – 80° F (optimal is 78º), Common Goldfish – 65º – 68º F, Fancy Tail Goldfish – 65° – 72° F. For all species of fish, there is a middle ground in which they are happiest, and they must be kept within that range for optimum health. How to keep your tank cool and suitable for fish & plants this summerĪny tanks with fish must be kept below a maximum of 86° to ensure their safety. In addition to the strain put on fish health, coral and aquatic plants will suffer, as they also rely on plentiful amounts of dissolved oxygen in the water. Meanwhile dissolved oxygen levels drop as temperatures rise, compounding the problem.

The process in which heat affects the ecosystem is simple: fish metabolisms rise with the temperature, creating a need for higher levels of oxygen in the water.

Tank when we house