![]() Among the more common ways is to use a filter pre-sponge on a filter or skimmer intake, using filter socks on a drain line or in a sump, or using sponges between two sections of a sump. There are a few different ways this is achieved. Although I have not used any phosphate removers in a long time, I always have carbon based media in my marine set-ups. In the past, I also used phosphate removing media in a media reactor so I could control the flow to match the manufacturer’s recommendations. That is why I will use a carbon based media passively in the first compartment of my sump. I always prefer to have at least some chemical media in my set-ups as a precautionary measure in case any toxins are released into my aquarium. Just remember to check the manufacture’s recommendations for proper use and follow those instructions. You can use chemical filtration in a filter, a media reactor or passively in a sump provided the flow is correct for the media being used. Other popular chemical medias include phosphate removers like Rowa Phos and carbon based media like Chemi-pure. One of the more commonly used chemical filter media is the use of carbon to remove toxins from the water when or if some of your corals release toxins as a defense mechanisms into the water which can harm the rest of the marine life in your tank. However, I have very high personal standards when it comes to the water quality in my marine aquarium so to each their own.Ĭhemical filtration in a marine aquarium refers to using a filtering media which absorbs certain unwanted elements or certain pollutants out of the water. Times that I had tried using a canister filter with biological filter media, I struggled to obtain close to the same results as the live rock would always provide me. I have always had the best results using live rock for biological filtration. Many hobbyists do take this approach with no long term negative effects, just some extra weekly maintenance. ![]() In addition, you will not be able to grow large enough colonies of the nitrate eating bacteria. While it certainly provides a lot of surface areas for bacteria to grow and can by very effective at converting ammonia and nitrates, the filter media will require additional maintenance in order to keep the media clean and to help prevent the media from adding higher than normal amounts of nitrates in the water. Filters with Biological Filter Media or Biological Filter Media in a Sump: These are commonly used in a marine aquarium, but my least preferred method.Live rock is my preferred method for biological filtration and I always recommend it. There are many other benefits of using live rock in a marine aquarium that I won’t get into now. Live Rock: In the ocean, the rock formed from the calcified skeletons of corals provides a suitable media for the beneficial bacteria to grow on, which is what actually processes ammonia and nitrates and is a more natural way of providing biological filtration.The two most common approaches to biological filtration are to use either live rock or a filter with biological filter media (like you would find in a fresh water aquarium). This is also referred to as the nitrogen cycle. The term biological filtration refers to the process of lie bacteria converting organic waste in the form of ammonia and converting it into nitrates and further converting that into nitrates. Each has a slightly different purpose in your aquarium. Before reviewing these, you have to also consider the three categories of filtration that you need address – biological, chemical and mechanical. You have a few different options when it comes to providing proper filtration for your marine aquarium. Here are the common approaches to filtration in marine aquariums as well as the pros and cons. Cutting corners on your filtration will always result in long term difficulties. Sometimes this will result in just trying to find the cheapest approach to filtration. Many hobbyist just entering the hobby will have “sticker shock” when they see the prices for good quality live rock.
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