We can often hear some experienced aquarium friends, and some well-known bloggers say that they should change the water to the fish tank regularly! We did what they said! So why do you need to change the water in the fish tank regularly? Why can we not change the water for a year when we make a grass tank landscaping?
Everyone knows that ornamental fish 's feces, feed residues, and body surface mucosa will produce a lot of ammonia after it falls off and rots! Ammonia is extremely harmful to ornamental fish! However, ammonia can be decomposed into nitrite through nitrifying bacteria, and nitrite is also harmful. Then nitrifying bacteria then decompose nitrite into nitrifying . nitrifying bacteria are basically harmless! But nitrates are the same as the food coloring we eat. A small amount is not harmful. If too much, it will also cause harm to the human body! Nitrates are the feed residue, the final product of feces! And it cannot be filtered out through filtering! Change water is the easiest and most effective way to treat nitrates! Regular water changes mean that we regularly dilute the nitrate in the fish tank to prevent the nitrate from exceeding the standard!
Let me talk about why the grass tank landscaping can be done without changing the water for a year! There must be many aquatic plants in the grass tank landscaping! And nitrates are the nutrients for plants in the water! So as long as the water quality does not collapse, aquatic grass tank can be used for a long time without changing the water!
