If the pH value of the fish tank is relatively low, it is necessary to raise the pH appropriately. You can put some coral sand in the tank. Its main component is calcium and magnesium compounds. A small amount of it dissolved in water will raise the pH value and make the water body slightly alkaline.This method takes effect for a long time, but because of the slow effect, the harm to the fish is relatively small, you can also use sodium bicarbonate to improve pH, but to control the dosage.
1. Lantern fish: Lantern fish is a small family of lantern fish originating in the Amazon River Basin. It is very easy to raise. The common varieties are lotus lantern, gold lantern, traffic light, flame lamp, mini lamp, blue eye lamp, etc.This type of fish like acidic growth environment, Ph 6.8 is more appropriate.
2. Rat fish: The rat fish is also from South America, so its pH requirements are the same as those of the lantern fish. It likes to live in acidic waters, but it can also accept neutral waters.This kind of fish is gentle, easy to raise, and can be mixed, the water temperature is generally between 22-26 C is better.
3, fighting fish: fighting fish is generally divided into Thailand fighting fish and Chinese fighting fish, they all like acidic water, pH can be between 6.5-7.2.It is worth mentioning that this kind of fish is very aggressive, can not be raised together, usually can only be raised separately.
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