Every week
Approximately 25-50 of the water in an aquarium should be changed every 2-4 weeks to maintain a healthy environment for the fish.
as far as i know, when the oxygen in the water gets used up or fouled, the fish come up toward the surface to get water that has more oxygen in it... it is an indication that the water should be changed.
about ocean temperature.
The type of water in an aquarium does not affect how thick the glass should be. Glass thickness is determined by tank size; and heavily influenced by height.
You should change the water in an aquarium regularly, typically every 1-2 weeks, to maintain a healthy environment for the fish and remove waste and toxins.
Most likely you have high Nitrates, which will lower your pH, or you just changed water, and used water that you don't usually use, or you added something that changed it.
Install an efficient pump and filter set. It is recommended that you use gravel on the base of the tank since, it is a natural purifier. Depending on the colour and dirt of water and the activeness of the fish, the water should be changed regularly.
It is recommended to have 1-2 ghost shrimp per gallon of water in your aquarium.
If you notice a nitrate spike after a water change in your aquarium, you should test the water regularly, perform more frequent water changes, and consider adjusting your feeding and maintenance routine to help lower nitrate levels.
When a fish dies in your aquarium, you should remove it promptly to prevent contamination of the water. It is important to also check the water quality and make any necessary adjustments to ensure the health of the remaining fish.
The simple answer is yes. A balanced aquarium should contain water plants and these need light in order to live and grow. If your aquarium is a tropical one then the lights should be on for around 12 hours daily.
No, because if you boil a water and put it in the aquarium the tendency is the aquarium will crack.;) SO EASY!