Check the water you have before you decide on the fish you are going to get.
Fish tank of water.
3 even a change of 0 2 can result in stress or death if it occurs suddenly.
Remember to let it stand for a minimum of 24 hours.
If you do not know the history of the tank and what the water conditions really are in this tank this can pose a risk of disease or chemical toxicity to your fish.
Then test the water.
This is also important if you are moving your fish.
Do not add fish.
Introduce a few small hardy fish such as danios or livebearers.
Run the aquarium filter for at least 24 hours to ensure that all equipment is functioning properly and that the ideal temperature is reached.
Immediate water changes and adding 1 3 teaspoons of sea salt to the aquarium water will help reduce the effects of nitrite toxicity.
In a saltwater tank your salt mix adds the essential salts and elements to the water.
Set up and fill the aquarium with water.
It is usually the most overlooked parameter.
The new tank must have the same ph.
In a freshwater tank use a remineralizer like seachem equilibrium to restore the mineral balance.
A reverse osmosis system ranges anywhere from 50 to 300.
That gives a true picture of the ph.
Balancing your tank to the fish who live there is key to their health and safety.
This is especially true of water from tanks in pet stores where rapid turn over of fish can introduce a disease into the water with no opportunity for the store employees to detect the disease.
The filters need to be replaced periodically however.