| Fish excrete waste constantly just like any other | | | | activated carbon should be changed often to have |
| living things as they swim around the water. This | | | | a save community. |
| waste is a potential poison to fish thus it's highly | | | | How Poisonous Substances Your Aquarium Can |
| essential to find a way to remove this toxin from | | | | Cause Fish Death |
| the aquarium tank. | | | | Aquarium water becomes dangerous to fish when |
| The process of removing this excess food, | | | | it's over-saturated, as a result of nitrogen cycle in |
| decaying matters, dangerous chemicals, fish | | | | the water. In this short article, we shall look at the |
| waste products and free floating particles from | | | | causes and the simple way out to limit continuous |
| aquarium water is called filtration. And the tools | | | | death of aquarium fish. |
| use is called filter. | | | | As we are all aware, atmospheric air is made up |
| Filters for aquariums come in all sorts of shapes, | | | | of about 23 per cent oxygen and 76 per cent |
| types and sizes, but they perform the same | | | | Nitrogen together with host of other gases in |
| basic function, and that is to circulate the water | | | | very minute quantities. It follows that when we |
| through some form of straining or cleansing | | | | put on the airflow system of our aquarium, the |
| medium at such a rate that the water is kept | | | | air pumped in contains a little oxygen and a lot of |
| clean physically and biologically. | | | | nitrogen. |
| Filters are categorized as 'inside', 'outside' and sub | | | | This atmospheric nitrogen can lethal to fish when |
| gravel; based on the location around the aquarium, | | | | the water is over-saturated (over 100 per cent) |
| but the location is not as important as the way in | | | | saturation with this gas. |
| which it operates. | | | | Research has shown that nitrogen embolism |
| The three major categories are mechanical, | | | | otherwise known as NITROGEN GAS BUBBLE |
| biological and chemical. | | | | DISEASE can occur with 103-118 per cent |
| Mechanical filters remove unwanted materials | | | | nitrogen saturation and cause a lot of fish |
| from the water by straining and /or the use of | | | | casualties. |
| absorbent materials. It helps maintaining water | | | | This condition can affect an aquarium fish when |
| clarity doing so. | | | | one is replacing the old aquarium water with |
| Biological Filtration: - Unlike mechanical filtration | | | | slightly warm fresh water. The infection is |
| process biological filtration involves bacteria and | | | | characterized by the presence of small bubbles of |
| other microorganisms converting your fish's | | | | nitrogen beneath the skin in the fins, tail or mouth, |
| waste into less toxic substances through a | | | | behind the eyes, and in the blood vessels. |
| process call cycling. Biological filter will convert your | | | | One can prevent the disease by aerating the |
| fish's toxic waste ammonia into Nitrite, and from | | | | water to be introduced for a while in order to |
| nitrite to nitrate, which is relatively harmless. This | | | | clear the excess nitrogen. Affected fish would be |
| cycling reduces the required maintenance in your | | | | placed in a small bucket of water into, which has |
| aquarium. Chemical filtration as the name implies | | | | been passed an airstone device to properly |
| can remove toxins and other chemically induced | | | | aerate the water. The fishes are bound to |
| material from your aquarium system with the use | | | | recover spontaneously if the aquarist takes an |
| of activated carbon. It's necessary to change | | | | immediate remedial action. |