Aquarium Chemical Filters

Aquarium chemical filters play an essential role in maintaining water quality by removing dissolved substances that mechanical and biological filters cannot. They work by using chemical media to adsorb toxins, tannins, odors, and discoloration from the water. The most common type of chemical filtration media is activated carbon, which is highly porous and can adsorb a wide range of organic compounds.

Other chemical filter media include ion exchange resins, which can remove specific ions from the water, such as nitrates or phosphates, and specialized pads infused with chemicals that target ammonia or heavy metals. Peat can be used to soften water and lower pH, while zeolite is effective at adsorbing ammonia in freshwater tanks.

When incorporating chemical filtration into your aquarium setup, it’s important to regularly replace the media as its adsorptive capacity is finite. Over time, if not replaced, it can become saturated and begin leaching absorbed substances back into the water. Monitoring water parameters closely will guide you in determining when to change the chemical media, ensuring that your tank maintains optimal water conditions for the health of your aquatic inhabitants.