| What temperature should saltwater fish aquariums be | | | | see reduced activity or corals that do not open fully |
| kept at? This is often a question many new | | | | due to the lower temperatures. |
| saltwater fish tank keepers are unsure about and | | | | The highest you ever want your tank to go is about |
| there is actually more then one right answer. | | | | 81-82 degrees. If it goes higher then that you may |
| If you are only keeping a saltwater fish aquarium and | | | | need to invest in a chiller to control the temperature |
| no other invertebrates other then crabs and snails | | | | in your tank. |
| you can generally get away with keeping your tank | | | | However many experts argue that captive corals |
| around 75-76 degrees Fahrenheit. | | | | grow faster at higher temperatures but it is a fine |
| This lower tank temperature will keep the oxygen | | | | balance and a risky one at that. At higher |
| levels high in your tank and keep your fishes | | | | temperatures oxygen levels can fall and animals |
| metabolisms at a normal rate. | | | | metabolisms can increase to the point where they |
| If you are keeping live corals or delicate | | | | need more food. |
| invertebrates like shrimps and live corals that come | | | | Problem algae also seems to be more common in |
| from shallower reef areas you need to keep your | | | | systems that have higher tank temperatures, this is |
| saltwater aquarium around 77-79 degrees. This | | | | thought to be because the lower oxygen levels |
| temperature will also keep your corals metabolisms in | | | | provide a better environment for the algae to grow |
| the normal range | | | | in. |
| Anything less then 77 degrees and you may start to | | | | |