{"id":1511,"date":"2026-04-17T04:29:38","date_gmt":"2026-04-17T04:29:38","guid":{"rendered":"https:\/\/www.viher-it.fi\/?post_type=product&#038;p=1511"},"modified":"2026-04-17T05:31:12","modified_gmt":"2026-04-17T05:31:12","slug":"filtr-sponge-unifilter-500-3pcs-20ppi","status":"publish","type":"product","link":"https:\/\/www.viher-it.fi\/index.php\/tuote\/filtr-sponge-unifilter-500-3pcs-20ppi\/","title":{"rendered":"Filtr.sponge Unifilter 500 (3pcs) 20PPI"},"content":{"rendered":"<h4><strong>SPONGE UNIFILTER 500 filter cartridge (3 Pcs).<\/strong><\/h4>\n<p><strong>Product highlights:<\/strong><\/p>\n<ul>\n<li><strong>Application<\/strong>: freshwater and marine aquariums with a capacity of 100-200 l.<\/li>\n<li><strong>Function<\/strong>: mechanical and biological filtration, aeration.<\/li>\n<li><strong>Design<\/strong>: sponge cartridges, 3 pieces, rectangular shape.<\/li>\n<li><strong>Material<\/strong>: phenol-free sponge that promotes bacterial growth.<\/li>\n<li><strong>Advantages<\/strong>: removes impurities, promotes the growth of nitrifying bacteria, aerates the water.<\/li>\n<li><strong>Compatibility<\/strong>: UNIFILTER 500.<\/li>\n<li><strong>Article number<\/strong>: 113913<\/li>\n<\/ul>\n<p><strong>Description<\/strong><\/p>\n<p><strong>Versatile filtration for medium-sized tanks<\/strong><\/p>\n<p>AQUAEL <strong>SPONGE UNIFILTER 500 (3 PACKS)<\/strong>is designed for UNIFILTER 500, providing mechanical and biological filtration with aeration for aquariums up to 200 l. The package contains three rectangular sponge cartridges for continuous water purification.<\/p>\n<p><strong>Durable sponge construction<\/strong><\/p>\n<p>Made of phenol-free sponge, these cartridges capture visible contaminants, provide a substrate for nitrifying bacteria and promote aeration to ensure a healthy aquarium ecosystem. Their rectangular shape ensures efficient water flow and filtration.<\/p>\n<p><strong>Applications and advantages<\/strong><\/p>\n<p>Ideal for medium-sized freshwater and saltwater tanks, these sponges remove organic debris, promote the growth of beneficial bacteria and improve water oxygenation. The three-piece packaging allows for gradual replacement, ensuring continuous filtration.<\/p>\n<p><strong>How to use it.<\/strong><\/p>\n<p>Insert one or two sponges into the UNIFILTER 500 housing. Replace one sponge every 2-4 weeks, alternately using spare sponges to maintain filtration efficiency.<\/p>\n<p><strong>Maintenance<\/strong><\/p>\n<p>Rinse the sponge in aquarium water during water changes to preserve beneficial bacteria. Replace every 2-4 weeks to prevent clogging and ensure optimal performance.<\/p>\n<p><strong>Notes<\/strong><\/p>\n<p>Clean the sponges in aquarium water so as not to disturb the bacterial colonies. Replace them regularly to maintain filtration and aeration performance.<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>SPONGE UNIFILTER 500 filter cartridge (3 Pcs). Product highlights: Application: freshwater and marine aquariums with a capacity of 100-200 l. Function: mechanical and biological filtration, aeration. Design: sponge cartridges, 3 pieces, rectangular shape. Material: phenol-free sponge that promotes bacterial growth. Advantages: removes impurities, promotes the growth of nitrifying bacteria, aerates the water. Compatibility: UNIFILTER 500. [&hellip;]<\/p>\n","protected":false},"featured_media":3222,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[44],"product_tag":[],"class_list":{"0":"post-1511","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-akwarystyka-materialy-filtracyjneaquaristics-filtration-materialspoisson-mate-filtration","8":"first","9":"instock","10":"taxable","11":"shipping-taxable","12":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/www.viher-it.fi\/index.php\/wp-json\/wp\/v2\/product\/1511","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.viher-it.fi\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.viher-it.fi\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.viher-it.fi\/index.php\/wp-json\/wp\/v2\/comments?post=1511"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.viher-it.fi\/index.php\/wp-json\/wp\/v2\/media\/3222"}],"wp:attachment":[{"href":"https:\/\/www.viher-it.fi\/index.php\/wp-json\/wp\/v2\/media?parent=1511"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.viher-it.fi\/index.php\/wp-json\/wp\/v2\/product_brand?post=1511"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.viher-it.fi\/index.php\/wp-json\/wp\/v2\/product_cat?post=1511"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.viher-it.fi\/index.php\/wp-json\/wp\/v2\/product_tag?post=1511"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}