Loose substrates, like sand and soil ... best if the pH is between 6.8 and 7.5. Once your aquarium meets those needs, you can introduce your betta fish. If you’re new to caring for betta ...
What is a betta fish? Betta fish—also known as Siamese fighting fish—are among the oldest species of domesticated fish. Their scientific name, Betta splendens, combines two languages ...