5 Beach Sand. Whilst treated sand can make a great substrate, beach sand is generally polluted and will contain chemical residue which can harm your fish. Logic may tell you it's fine to include some in your tank; it's the fish's natural habitat. However the ocean is a vast collection of water that is constantly renewing - your fish Sincethe water is shallow, it is also warm, which is why betta fish in captivity require a minimum of 5 gallons of water with temperatures kept heated between 76-82 degrees Fahrenheit, as well as good filtration, regular cleaning of aquariums and also enrichments such as caves, rocks and live plants. Please don't buy betta fish or support Generallyspeaking, no. Green aquarium water is not considered dangerous to fish. In fact, many fish happily live in green-colored water in their natural environment. The same goes for plants. While the algae that makes up green aquarium water feeds on many of the same nutrients that your plants do, it shouldn't cause any direct harm. Imnot cruel to my pets and I keep them well maintained but I go through bait fish like nobody's business so for me a fish is a fish. I would never use my pets as bait though. However, because my aquarium fish are simpler animals, and much less tolerable of poor conditions than my cat, process of taking care of them is much more complex. Treatmentin a fish tank: If you are using methylene blue as a general detoxifier against nitrite, ammonia, or cyanide poisoning, for general disease prevention or to keep fish eggs safe from fungal infections, typically 1 teaspoon of methylene blue is added for every 10 gallons (37.8 liters) of water, or 10 drops per gallon (3.78 liters). iT6HJc9.

is it cruel to keep fish in aquarium