{"id":5143,"date":"2026-04-20T09:38:42","date_gmt":"2026-04-20T07:38:42","guid":{"rendered":"https:\/\/mountaintree.eu\/product\/mountain-tree-nitroring-18-liter\/"},"modified":"2026-06-05T15:26:04","modified_gmt":"2026-06-05T13:26:04","slug":"mountain-tree-nitroring-18-litres","status":"publish","type":"product","link":"https:\/\/mountaintree.eu\/en\/product\/mountain-tree-nitroring-18-litres\/","title":{"rendered":"Mountain Tree Nitroring 18 Litres"},"content":{"rendered":"<div class=\"product--description\" itemprop=\"description\">\n<p><img loading=\"lazy\" decoding=\"async\" id=\"tinymce-editor-image-3cee81a7-a65a-49ae-b8e3-5534a86e430a\" class=\"tinymce-editor-image tinymce-editor-image-3cee81a7-a65a-49ae-b8e3-5534a86e430a\" style=\"float: left;\" src=\"https:\/\/mountaintree.eu\/wp-content\/uploads\/old-shopware-media\/image\/b5\/46\/6b\/Schraeger_Abschnitt_Nitroring.png\" alt=\"Schraeger_Abschnitt_Nitroring\" width=\"32\" height=\"36\" data-src=\"https:\/\/mountaintree.eu\/wp-content\/uploads\/old-shopware-media\/image\/b5\/46\/6b\/Schraeger_Abschnitt_Nitroring.png\">&nbsp;<strong><span style=\"font-size: xx-large;\">Nitroring<\/span><\/strong><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li>Forms a mature and healthy microsystem.<\/li>\n<li>Maximizes the filter area.<\/li>\n<li>1150 m\u00b2\/L surface.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" id=\"tinymce-editor-image-15a9cfbc-ae1c-4675-9b29-81508a975091\" class=\"tinymce-editor-image tinymce-editor-image-15a9cfbc-ae1c-4675-9b29-81508a975091\" style=\"float: left;\" src=\"https:\/\/mountaintree.eu\/wp-content\/uploads\/old-shopware-media\/image\/68\/b1\/d2\/Raue_Oberflaeche_Icon.png\" alt=\"Raue_Oberflaeche_Icon\" width=\"30\" height=\"30\" data-src=\"https:\/\/mountaintree.eu\/wp-content\/uploads\/old-shopware-media\/image\/68\/b1\/d2\/Raue_Oberflaeche_Icon.png\"><strong>Rough surface<\/strong><\/p>\n<p>The coarse texture helps to attach nitrifying bacteria and make them grow faster, significantly speeding up the establishment of the nitrification system.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" id=\"tinymce-editor-image-595a1bcc-3c10-4b2d-805e-30f4eabc0c9b\" class=\"tinymce-editor-image tinymce-editor-image-595a1bcc-3c10-4b2d-805e-30f4eabc0c9b\" style=\"float: left;\" src=\"https:\/\/mountaintree.eu\/wp-content\/uploads\/old-shopware-media\/image\/b5\/46\/6b\/Schraeger_Abschnitt_Nitroring.png\" alt=\"Schraeger_Abschnitt_Nitroring\" width=\"27\" height=\"30\" data-src=\"https:\/\/mountaintree.eu\/wp-content\/uploads\/old-shopware-media\/image\/b5\/46\/6b\/Schraeger_Abschnitt_Nitroring.png\"><strong>Oblique section<\/strong><\/p>\n<p>This creates more filter space. The sum of the beveled nitrification rings positively interrupts the water flow, so that the filtration efficiency can be improved and extended in the area of \u200b\u200bthe nitrification ring.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" id=\"tinymce-editor-image-29a8f9dd-4a65-445d-a02e-094aed34edb9\" class=\"tinymce-editor-image tinymce-editor-image-29a8f9dd-4a65-445d-a02e-094aed34edb9\" style=\"float: left;\" src=\"https:\/\/mountaintree.eu\/wp-content\/uploads\/old-shopware-media\/image\/d7\/47\/55\/Mikroloch_Struktur_Nitroring.png\" alt=\"Mikroloch_Struktur_Nitroring\" width=\"32\" height=\"32\" data-src=\"https:\/\/mountaintree.eu\/wp-content\/uploads\/old-shopware-media\/image\/d7\/47\/55\/Mikroloch_Struktur_Nitroring.png\"><strong>Micro hole<\/strong><\/p>\n<p>Supports aerobic nitrifying bacteria formation and cultivation on the surface of the nitrided ring. While the internal micropores are conducive to the cultivation of anaerobic bacteria for the denitrification reaction, NO3 is broken down into nitrogen and oxygen through denitrification.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" id=\"tinymce-editor-image-d7b2e31d-76a2-4109-b910-b6e04b5d739c\" class=\"tinymce-editor-image tinymce-editor-image-d7b2e31d-76a2-4109-b910-b6e04b5d739c\" style=\"float: left;\" src=\"https:\/\/mountaintree.eu\/wp-content\/uploads\/old-shopware-media\/image\/04\/fb\/c4\/Mountaintree_Filtertechnik_Bakterienhaus_Icon1.jpg\" alt=\"Mountaintree_Filtertechnik_Bakterienhaus_Icon1\" width=\"35\" height=\"35\" data-src=\"https:\/\/mountaintree.eu\/wp-content\/uploads\/old-shopware-media\/image\/04\/fb\/c4\/Mountaintree_Filtertechnik_Bakterienhaus_Icon1.jpg\"><strong>Large surface area<\/strong><\/p>\n<p>In biochemical filtration of ceramic filter media with a larger surface area, the ability to cultivate bacteria is much stronger. The special manufacturing process developed by Mountain Tree has the distinctive ability to cultivate bacteria due to the excellent microporous structure within the ceramic ring and the large surface area of \u200b\u200bthe nitrification ring.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" id=\"tinymce-editor-image-dc1481be-9462-4e2c-ba26-b2f0b4bd53c5\" class=\"tinymce-editor-image tinymce-editor-image-dc1481be-9462-4e2c-ba26-b2f0b4bd53c5\" style=\"float: left;\" src=\"https:\/\/mountaintree.eu\/wp-content\/uploads\/old-shopware-media\/image\/da\/9c\/24\/Mountaintree_Filtertechnik_Bakterienhaus__Icon3.jpg\" alt=\"Mountaintree_Filtertechnik_Bakterienhaus__Icon3\" width=\"33\" height=\"33\" data-src=\"https:\/\/mountaintree.eu\/wp-content\/uploads\/old-shopware-media\/image\/da\/9c\/24\/Mountaintree_Filtertechnik_Bakterienhaus__Icon3.jpg\"><strong>Water absorption<\/strong><\/p>\n<p>The higher the water absorption rate of the ceramic ring, the better the continuity of the internal micropore structure within the ceramic ring. The consistency of the internal pores determines the efficiency of water flow to bring NO3 into the ceramic ring for anaerobic denitrification. Nitroring with superior water absorption and water absorption speed.<\/p>\n<p style=\"text-align: center;\">&nbsp;<\/p>\n<p style=\"text-align: center;\"><strong>Slanted design: Our slanted design swirls the water in different directions, so the bacteria are best supplied with water and oxygen.<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" id=\"tinymce-editor-image-3e65274d-aa74-4cbc-8e8a-c74cedf10d2e\" style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/mountaintree.eu\/wp-content\/uploads\/old-shopware-media\/image\/6e\/1a\/e6\/Nitroring_Mountain_Tree_Wasserfluss.png\" alt=\"Nitroring_Mountain_Tree_Wasserfluss\" width=\"419\" height=\"185\" data-src=\"https:\/\/mountaintree.eu\/wp-content\/uploads\/old-shopware-media\/image\/6e\/1a\/e6\/Nitroring_Mountain_Tree_Wasserfluss.png\"><\/p>\n<p style=\"text-align: center;\">&nbsp;<\/p>\n<p style=\"text-align: center;\"><strong>The porous structure offers a larger specific surface area for bacteria.<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" id=\"tinymce-editor-image-29e2d4ff-cf02-4a1d-9965-a17cf986b33e\" style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/mountaintree.eu\/wp-content\/uploads\/old-shopware-media\/image\/70\/83\/5c\/Nitroring_Mountain_Tree_fein_poroese_Struktur_Rau_Oberflaeche.jpg\" alt=\"Nitroring_Mountain_Tree_fein_poroese_Struktur_Rau_Oberflaeche\" width=\"263\" height=\"258\" data-src=\"https:\/\/mountaintree.eu\/wp-content\/uploads\/old-shopware-media\/image\/70\/83\/5c\/Nitroring_Mountain_Tree_fein_poroese_Struktur_Rau_Oberflaeche.jpg\"><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" id=\"tinymce-editor-image-5d68847b-4886-458d-9360-4fc63b44a9c0\" class=\"tinymce-editor-image tinymce-editor-image-5d68847b-4886-458d-9360-4fc63b44a9c0\" style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/mountaintree.eu\/wp-content\/uploads\/old-shopware-media\/image\/a9\/05\/aa\/nitro_ring_Oberflaeche_von_Mountain_Tree_und_vom_Mitbewerber.png\" alt=\"nitro_ring_Oberflaeche_von_Mountain_Tree_und_vom_Mitbewerber\" width=\"633\" height=\"443\" data-src=\"https:\/\/mountaintree.eu\/wp-content\/uploads\/old-shopware-media\/image\/a9\/05\/aa\/nitro_ring_Oberflaeche_von_Mountain_Tree_und_vom_Mitbewerber.png\"><\/p>\n<p style=\"text-align: center;\">&nbsp;<\/p>\n<p style=\"text-align: center;\">&nbsp;<\/p>\n<p style=\"text-align: center;\"><strong>Compared to traditional products, our nitro rings absorb a larger amount of water in a shorter time.<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" id=\"tinymce-editor-image-5ec59fa1-3c7d-4ef1-bc51-400593242e78\" style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/mountaintree.eu\/wp-content\/uploads\/old-shopware-media\/image\/25\/4c\/7d\/Nitroring_Wasserabsorption_Vergleich_Mountain_Tree.png\" alt=\"Nitroring_Wasserabsorption_Vergleich_Mountain_Tree\" width=\"306\" height=\"215\" data-src=\"https:\/\/mountaintree.eu\/wp-content\/uploads\/old-shopware-media\/image\/25\/4c\/7d\/Nitroring_Wasserabsorption_Vergleich_Mountain_Tree.png\"><\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" id=\"tinymce-editor-image-9e8b6cee-5eca-47ad-86fa-8bfb6262c4a8\" style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/mountaintree.eu\/wp-content\/uploads\/old-shopware-media\/image\/a6\/02\/fc\/Nitroring_Wasserabsorption_Vergleich_Mountain_Tree_1.png\" alt=\"Nitroring_Wasserabsorption_Vergleich_Mountain_Tree_1\" width=\"305\" height=\"166\" data-src=\"https:\/\/mountaintree.eu\/wp-content\/uploads\/old-shopware-media\/image\/a6\/02\/fc\/Nitroring_Wasserabsorption_Vergleich_Mountain_Tree_1.png\"><\/p>\n<p style=\"text-align: center;\"><strong>Both open and closed pores allow the cultivation of aerobic and anaerobic bacteria that effectively convert nitrite to nitrate.<\/strong><\/p>\n<p style=\"text-align: center;\"><strong>150x magnification of the nitro ring:<\/strong><\/p>\n<p style=\"text-align: center;\">&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" id=\"tinymce-editor-image-f81ddfd9-2624-4818-a40d-96e6d2074081\" style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/mountaintree.eu\/wp-content\/uploads\/old-shopware-media\/image\/60\/18\/27\/150_fache_Vergroessung_Nitroring_Mountaintree.jpg\" alt=\"150_fache_Vergroessung_Nitroring_Mountaintree\" width=\"318\" height=\"239\" data-src=\"https:\/\/mountaintree.eu\/wp-content\/uploads\/old-shopware-media\/image\/60\/18\/27\/150_fache_Vergroessung_Nitroring_Mountaintree.jpg\"><\/p>\n<p style=\"text-align: center;\"><strong>The nitrifying bacteria grow very well on our nitro rings:<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" id=\"tinymce-editor-image-356bd184-2780-4d5c-a95b-c3df9383c92c\" style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/mountaintree.eu\/wp-content\/uploads\/old-shopware-media\/image\/52\/2a\/9c\/Nitro_Ring_using_effects.jpg\" alt=\"Nitro_Ring_using_effects\" width=\"308\" height=\"308\" data-src=\"https:\/\/mountaintree.eu\/wp-content\/uploads\/old-shopware-media\/image\/52\/2a\/9c\/Nitro_Ring_using_effects.jpg\"><\/p>\n<p style=\"text-align: center;\"><strong>In addition to food, the water itself is the most important source of minerals.<\/strong><\/p>\n<p style=\"text-align: center;\"><strong>A high abundance of minerals makes the fish active, stimulates digestion and makes the water clear.<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" id=\"tinymce-editor-image-8bd3e726-a884-4427-80dd-2798caab84a5\" class=\"tinymce-editor-image tinymce-editor-image-8bd3e726-a884-4427-80dd-2798caab84a5\" style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/mountaintree.eu\/wp-content\/uploads\/old-shopware-media\/image\/52\/0a\/eb\/Mineralien_Zusammensetzung_Nitroring_Mountain_Tree.jpg\" alt=\"Mineralien_Zusammensetzung_Nitroring_Mountain_Tree\" width=\"687\" height=\"417\" data-src=\"https:\/\/mountaintree.eu\/wp-content\/uploads\/old-shopware-media\/image\/52\/0a\/eb\/Mineralien_Zusammensetzung_Nitroring_Mountain_Tree.jpg\"><\/p>\n<p><img decoding=\"async\" id=\"tinymce-editor-image-31da18a5-f093-43eb-b0e4-82c60770cbc4\" class=\"tinymce-editor-image tinymce-editor-image-31da18a5-f093-43eb-b0e4-82c60770cbc4\" src=\"https:\/\/mountaintree.eu\/wp-content\/uploads\/old-shopware-media\/image\/95\/b9\/7b\/yo1IMZyUBlNA4.png\" alt=\"\" data-src=\"https:\/\/mountaintree.eu\/wp-content\/uploads\/old-shopware-media\/image\/95\/b9\/7b\/yo1IMZyUBlNA4.png\"><\/p>\n<\/div>\n<div class=\"product--properties panel has--border\">\n<table class=\"product--properties-table\">\n<tr class=\"product--properties-row\">\n<td class=\"product--properties-label is--bold\">Height in cm:<\/td>\n<td class=\"product--properties-value\">0,13<\/td>\n<\/tr>\n<tr class=\"product--properties-row\">\n<td class=\"product--properties-label is--bold\">Diameter in cm:<\/td>\n<td class=\"product--properties-value\">0,16<\/td>\n<\/tr>\n<tr class=\"product--properties-row\">\n<td class=\"product--properties-label is--bold\">Packaging unit in the outer box:<\/td>\n<td class=\"product--properties-value\">1 piece<\/td>\n<\/tr>\n<tr class=\"product--properties-row\">\n<td class=\"product--properties-label is--bold\">Packaging dimensions in cm:<\/td>\n<td class=\"product--properties-value\">30x30x20<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<p><span class=\"moretabsforarticlepage-configuration-container-ajax\" data-ordernumber=\"39000031\"><\/span>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Nitroring in an 18 litre carton for biological filtration.<\/p>\n","protected":false},"featured_media":4624,"template":"","meta":{"_themeisle_gutenberg_block_has_review":false},"product_brand":[],"product_cat":[101,94],"product_tag":[],"class_list":["post-5143","product","type-product","status-publish","has-post-thumbnail","product_cat-bio-ringe","product_cat-teichprodukte","first","instock","taxable","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/mountaintree.eu\/en\/wp-json\/wp\/v2\/product\/5143","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mountaintree.eu\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/mountaintree.eu\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mountaintree.eu\/en\/wp-json\/wp\/v2\/media\/4624"}],"wp:attachment":[{"href":"https:\/\/mountaintree.eu\/en\/wp-json\/wp\/v2\/media?parent=5143"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/mountaintree.eu\/en\/wp-json\/wp\/v2\/product_brand?post=5143"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/mountaintree.eu\/en\/wp-json\/wp\/v2\/product_cat?post=5143"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/mountaintree.eu\/en\/wp-json\/wp\/v2\/product_tag?post=5143"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}