It’s the aerobic bacteria that are most important, and for that, any old ceramic rings will do. It’s made of sintered glass. And, like any good growing medium, lava rocks are pH-neutral. They keep your old ceramic rings and new ones separate. Raskolnikov's Tanks T. turtlefish AC Members. The testing data correlated well with the mathematically calculated effective surface area of each media. Phone: (949) 697-5270 Fax: (949) 625-8027 2580 S Decker Lake Blvd Suite 300 West Valley City, UT 84119 The more surface that is available, the more bacteria that your filter media can hold. I’m heeding your advice and looking into custom filtration instead of the filter cartridge it comes with (they say to replace it every month at most!!). While it’s not common, you don’t need to place the ceramic rings inside your filter to receive their benefits. These pores are so small that you can hardly see them without a microscope…. Take out half of your old ceramic rings and add half of the new ones. Thank for so very much. The manufacturers seem to be considering the sponge as a bio medium, not a mechanical medium. To answer your question, it should be fine to add the C-nodes without a bag. Care should be taken if you use lava rock in your display tank because delicate fins can get snagged and scrapped. It’s a crude way of doing it but it’s certainly feasible. I’m glad you found the article helpful! However, they can also be found in other colors like cream, gray or brown. There’s a lot of information that I’m trying to make sense of. But plants need to be supported or held up ... growing media, visit our "Advanced Hydro" section (coming soon). However, if they begin to degrade like regular ceramic rings, you may find it difficult to replace them without them crumbling into tiny pieces which you then have to collect. Only difference is the color). Are lava rocks or ceramic briquettes better than metal heat plates? With that said, beneficial bacteria still need a constant flow of oxygen and nutrients to live. 6 Personen sprechen darüber. It no longer “crumbles” but crushes instead.” “It is an inert media like rockwool but a fraction of the price. I have a fluval 406 canister pump which works great, just need ammonia eating bacteria. Depending on the amount of ammonia and beneficial bacteria in a tank, it can take many many passes. If you move one of the filters to a new tank, it will need a little more time to catch up to a new fish tank but because you have given the beneficial bacteria a head start in getting established, the cycle will be much quicker than before. The HPC Ceramic Fiber River Rock provides a high quality fire media for use with your gas fire pit or fireplace. It sounds like you are all over it, especially with your trial and error experience with your shrimp! When you throw this away, you throw out your beneficial bacteria. The one on the right? You can either crush it up and put it in your filter bag or use it as a decoration in your main tank. And does the arrangement of filter media in HOB filters really not matter? The purpose of your filter media is to house billions of beneficial bacteria and other microorganisms that keep your pond alive, crystal clear and algae-free. Your article is the most informative I’ve found on the internet so far. The correlation between the test results and the calculated surface area is very significant and means the testing was accurate. But there are a huge number of falsehoods about filter media spread by equipment manufacturers in order to make money. So, questions. Thanks again for sharing your experience! What they share in common. Okay, I think I understand. The good news is that turtles are not fish, and these ones you have are very hardy, they don’t relie on water purity like fish do, well, they breath air to start with. You can purchase pea size lava rock to use as a filler for your deeper fire pit types with the larger rock on top. Next, you want to add the ceramic rings to your filter. I don’t know that there’s much bacterial activity in it just yet, should I toss it? Lava is an attractive rock in its own right so not only is it beneficial, it is also ornamental too. However, I see no disadvantage to doing it, so it’s entirely up to you. It’s an inexpensive media that you can use for the germination and seedling grow phases. You are not trying to return your ceramic rings to the crisp, white color they were when you first bought them. The 2 best mesh bags for holding your filter media (18 tested!). Filtration media (cartridges, bio-rings, foam) needs to be replaced every month or every six months or “when they get dirty”. However, a bag will greatly simplify the cleaning and replacement process once they finally do deteriorate. 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