does small goldfish change water to use 1, tap water: Small goldfish changes water to be able to use tap water, tap water is the first selection water that a lot of families raise fish, because use, rise more convenient. But when using tap water, we must filter out the chlorine in the water, it is best to put it in the sun for three days, and then change the water for the small goldfish.
2. River water: Small goldfish can also use river water to change water. You have to go to the surrounding rivers to fetch water, and you can't take polluted water. It is better to fetch water from rivers with good water quality, such as the upper reaches of rivers.
3. Well water: Small goldfish can also use well water to change water. This kind of water is relatively rare in cities and is used more in suburbs and rural areas. The water quality of well water is generally better, which is very suitable for the survival of small goldfish.
for changing water for goldfish? 1. The amount of water must not be too large, preferably not more than one third. The PH value of too much water will fluctuate greatly. Small goldfish are prone to the problems of lying in the tank and shortness of breath.
2. The temperature of new water should be one or two degrees higher than that of old water, and never lower than that of old water. If the water temperature is low, the small goldfish will have the symptoms of standing scales.
3, the speed of changing water must be slow, to avoid small goldfish, it is best to pour slowly along the wall of the tank, so as not to stimulate the small goldfish, resulting in a decline in the resistance of small goldfish, vulnerable to disease.
4. Change the water regularly, a small number of times.
