{"id":11228,"date":"2025-11-03T17:11:16","date_gmt":"2025-11-03T17:11:16","guid":{"rendered":"https:\/\/daivings.lv\/?p=11228"},"modified":"2025-11-03T17:11:17","modified_gmt":"2025-11-03T17:11:17","slug":"rebrizers-jj-ccr-tehniska-nirsana-baltijas-valstis","status":"publish","type":"post","link":"https:\/\/daivings.lv\/en\/rebreather-jj-ccr-technical-diving-baltic-states\/","title":{"rendered":"Rebreather JJ CCR, technical diving in the Baltic States"},"content":{"rendered":"<p class=\"wp-block-paragraph\">The Baltic Sea region and the inland waters of the Baltic States offer <strong>unique opportunities<\/strong> Technical diving, which attracts experienced divers. Technical diving is defined as diving beyond the limitations of normal recreational diving (non-stop recreational diving), which involves greater depths, longer dive times, and the use of specialized gas mixtures (e.g. Trimix, Heliox) and equipment.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Contents\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/daivings.lv\/en\/rebreather-jj-ccr-technical-diving-baltic-states\/#Udenslideju_vietas_Baltijas_valstis\" >Diving sites in the Baltic States<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/daivings.lv\/en\/rebreather-jj-ccr-technical-diving-baltic-states\/#JJ_CCR_Prieksrocibas_tehniskaja_nirsana\" >JJ CCR: Advantages in technical diving<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/daivings.lv\/en\/rebreather-jj-ccr-technical-diving-baltic-states\/#Galvenas_JJ_CCR_prieksrocibas\" >Main advantages of JJ CCR:<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Udenslideju_vietas_Baltijas_valstis\"><\/span>Diving sites in the Baltic States<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Wreck diving in the Baltic Sea:<\/strong> The Baltic Sea is historically rich, and many lie beneath its surface. <strong>sunken shipwrecks<\/strong>These wrecks, which are accessible to technical divers, offer a glimpse into the history of seafaring. Off the coast of Latvia, about <strong>wreck diving capital<\/strong> is considered <strong>Liepaja<\/strong>.<\/li>\n\n\n\n<li><strong>Estonian wrecks and Rummu quarry:<\/strong> A popular technical diving site in Estonia is a minelayer. <strong>&quot;Yenisei&quot;<\/strong>, which lies 47 meters deep and is an Estonian cultural monument. The Estonian Rummu quarry also offers <strong>crystal clear water<\/strong> and a unique underwater prison structure that is particularly attractive to photographers and videographers.<\/li>\n\n\n\n<li><strong>Inland waters of Latvia:<\/strong> Popular dive sites include <strong>Dubkalni quarry<\/strong>, <strong>Saurai career<\/strong> and <strong>Lakeside<\/strong>Technical divers can also explore <strong>The V\u012bgante stage flooded by the Plavinas HPP<\/strong> In the Daugava at a depth of 8-15 meters.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"JJ_CCR_Prieksrocibas_tehniskaja_nirsana\"><\/span>JJ CCR: Advantages in technical diving<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>JJ CCR<\/strong> (Closed-Circuit Rebreather) is a closed-circuit rebreather that has become a popular piece of equipment in technical diving due to its robust construction and versatility. It is like <strong>personal gas blender<\/strong> underwater, which allows for effective management of breathing gas composition.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Galvenas_JJ_CCR_prieksrocibas\"><\/span>Main advantages of JJ CCR:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Gas economy:<\/strong> Unlike open-cycle scuba, CCR recycles exhaled gases by removing carbon dioxide and adding oxygen, thus significantly <strong>reducing gas consumption<\/strong>This ensures <strong>longer diving time<\/strong> with a smaller number of balloons.<\/li>\n\n\n\n<li><strong>Optimized nitrogen and oxygen levels:<\/strong> CCR automatically maintains <strong>constant partial pressure of oxygen (PO2)<\/strong> regardless of depth. This allows you to dive with <strong>reduce nitrogen absorption<\/strong> in the body, significantly <strong>reducing the risk of decompression sickness<\/strong> and allowing for more efficient decompression stops.<\/li>\n\n\n\n<li><strong>Silence:<\/strong> The rebreather does not emit bubbles (or emits them minimally), which makes diving <strong>closer to silence<\/strong> and allows better interaction with <strong>marine life<\/strong> and conduct more sensitive research (e.g. underwater photography\/video).<\/li>\n\n\n\n<li><strong>Robustness and simplicity:<\/strong> JJ CCR is built with <strong>very robust aluminum housing<\/strong>, which is adaptable to the most demanding adventures. Its philosophy is based on <strong>simplicity<\/strong>, ensuring ease of use before, during and after diving.<\/li>\n\n\n\n<li><strong>Integrated electronics:<\/strong> The device is equipped with <strong>modern electronics<\/strong>, which includes a reliable controller with <strong>integrated Shearwater multi-gas decompression computer<\/strong> and <strong>independent digital head-up display (HUD)<\/strong>.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/daivings.lv\/wp-content\/uploads\/2025\/11\/JJ-CCR-nirsana-1-1-1024x576.jpeg?v=1762189869\" alt=\"\" class=\"wp-image-11241\" srcset=\"https:\/\/daivings.lv\/wp-content\/uploads\/2025\/11\/JJ-CCR-nirsana-1-1-1024x576.jpeg?v=1762189869 1024w, https:\/\/daivings.lv\/wp-content\/uploads\/2025\/11\/JJ-CCR-nirsana-1-1-300x169.jpeg?v=1762189869 300w, https:\/\/daivings.lv\/wp-content\/uploads\/2025\/11\/JJ-CCR-nirsana-1-1-768x432.jpeg?v=1762189869 768w, https:\/\/daivings.lv\/wp-content\/uploads\/2025\/11\/JJ-CCR-nirsana-1-1-1536x864.jpeg?v=1762189869 1536w, https:\/\/daivings.lv\/wp-content\/uploads\/2025\/11\/JJ-CCR-nirsana-1-1-18x10.jpeg?v=1762189869 18w, https:\/\/daivings.lv\/wp-content\/uploads\/2025\/11\/JJ-CCR-nirsana-1-1-1000x563.jpeg?v=1762189869 1000w, https:\/\/daivings.lv\/wp-content\/uploads\/2025\/11\/JJ-CCR-nirsana-1-1-230x129.jpeg?v=1762189869 230w, https:\/\/daivings.lv\/wp-content\/uploads\/2025\/11\/JJ-CCR-nirsana-1-1-350x197.jpeg?v=1762189869 350w, https:\/\/daivings.lv\/wp-content\/uploads\/2025\/11\/JJ-CCR-nirsana-1-1-480x270.jpeg?v=1762189869 480w, https:\/\/daivings.lv\/wp-content\/uploads\/2025\/11\/JJ-CCR-nirsana-1-1.jpeg?v=1762189869 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Technical diving with CCR equipment like the JJ CCR opens up new possibilities <strong>in wreck research<\/strong> and <strong>in discovering the depths<\/strong> In the Baltic Sea.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This video provides an insight into a diving expedition to a depth of 47 meters in the Baltic Sea using technical diving: <a rel=\"nofollow\" href=\"https:\/\/daivings.lv\/goto\/https:\/\/www.youtube.com\/watch?v=SPtbk7j0ILg\" target=\"_blank\" >Diving 47 meters deep in the Baltic Sea \u2013 YouTube<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Do you want to learn more about specific technical diving locations in Estonia or Lithuania?<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/daivings.lv\/wp-content\/uploads\/2025\/11\/JJ-CCR-nirsana-3-1-1024x576.jpeg?v=1762189854\" alt=\"\" class=\"wp-image-11240\" srcset=\"https:\/\/daivings.lv\/wp-content\/uploads\/2025\/11\/JJ-CCR-nirsana-3-1-1024x576.jpeg?v=1762189854 1024w, https:\/\/daivings.lv\/wp-content\/uploads\/2025\/11\/JJ-CCR-nirsana-3-1-300x169.jpeg?v=1762189854 300w, https:\/\/daivings.lv\/wp-content\/uploads\/2025\/11\/JJ-CCR-nirsana-3-1-768x432.jpeg?v=1762189854 768w, https:\/\/daivings.lv\/wp-content\/uploads\/2025\/11\/JJ-CCR-nirsana-3-1-1536x864.jpeg?v=1762189854 1536w, https:\/\/daivings.lv\/wp-content\/uploads\/2025\/11\/JJ-CCR-nirsana-3-1-18x10.jpeg?v=1762189854 18w, https:\/\/daivings.lv\/wp-content\/uploads\/2025\/11\/JJ-CCR-nirsana-3-1-1000x563.jpeg?v=1762189854 1000w, https:\/\/daivings.lv\/wp-content\/uploads\/2025\/11\/JJ-CCR-nirsana-3-1-230x129.jpeg?v=1762189854 230w, https:\/\/daivings.lv\/wp-content\/uploads\/2025\/11\/JJ-CCR-nirsana-3-1-350x197.jpeg?v=1762189854 350w, https:\/\/daivings.lv\/wp-content\/uploads\/2025\/11\/JJ-CCR-nirsana-3-1-480x270.jpeg?v=1762189854 480w, https:\/\/daivings.lv\/wp-content\/uploads\/2025\/11\/JJ-CCR-nirsana-3-1.jpeg?v=1762189854 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Congratulations on achieving JJ CCR in diving<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Congratulations to Valters Preimani on <strong>JJ CCR Helitrox Diver<\/strong> successful completion of the course on November 1, 2025 with instructor Jacques Bernard (reg. no.: #39*). This certificate (no.: #178*) confirms a high level of preparation and gives the opportunity to explore greater depths with a closed-cycle rebreather.<\/p>","protected":false},"excerpt":{"rendered":"<p>The Baltic Sea region and the inland waters of the Baltic States offer unique opportunities for technical diving, which attracts experienced divers. Technical diving is defined as diving beyond the limitations of normal recreational diving (non-stop recreational diving), which involves greater depths, longer dive times, and specialized gas [\u2026]<\/p>","protected":false},"author":1,"featured_media":11234,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1600],"tags":[1614,1613],"class_list":["post-11228","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tehniska-nirsana","tag-ccr","tag-jj-ccr"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Rebr\u012bzers JJ CCR , tehnisk\u0101 nir\u0161ana Baltijas valst\u012bs - Daivings.lv<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/daivings.lv\/en\/rebreather-jj-ccr-technical-diving-baltic-states\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Rebr\u012bzers JJ CCR , tehnisk\u0101 nir\u0161ana Baltijas valst\u012bs - Daivings.lv\" \/>\n<meta property=\"og:description\" content=\"Baltijas j\u016bras re\u0123ions un Baltijas valstu iek\u0161\u0113jie \u016bde\u0146i pied\u0101v\u0101 unik\u0101las iesp\u0113jas tehniskajai nir\u0161anai, kas piesaista pieredz\u0113ju\u0161us \u016bdensl\u012bd\u0113jus. 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Uzs\u0101cis nir\u0113ja gaitas 2005.gada 20.oktobr\u012b, izejot apm\u0101c\u012bbu Daivinga Instruktoru Profesion\u0101l\u0101 Asoci\u0101cij\u0101, DIPA (Ang. PADI \u2013 Professional Association of Diving Instructors ), tren\u0113jies nir\u0161anas profesion\u0101l\u0101s izaugsmes apm\u0101c\u012bb\u0101 Adrijas un Jonijas j\u016br\u0101s, Zieme\u013cu Atlantijas oke\u0101na sal\u0101s, Sarkan\u0101 j\u016br\u0101, Norv\u0113\u0123u j\u016br\u0101 un Vidusj\u016br\u0101. Piedal\u012bjies zem\u016bdens arheolo\u0123isk\u0101 projekt\u0101 Latvij\u0101. 2006.gada 24.j\u016blij\u0101 izveidojis nir\u0161anas klubu \u201cDaivings.lv\u201d. Paveicis vair\u0101k k\u0101 5000 ienir\u0161anas ar zem\u016bdens elpojamo apar\u0101tu. 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Began diving on October 20, 2005, undergoing training at the Professional Association of Diving Instructors, DIPA (Eng. PADI - Professional Association of Diving Instructors), trained in professional development training for diving in the Adriatic and Ionian seas, the islands of the North Atlantic Ocean, the Red Sea, the Norwegian Sea and in the Mediterranean. Participated in an underwater archaeological project in Latvia. On July 24, 2006, he founded the diving club &quot;Daivings.lv&quot;. Made more than 5000 scuba dives. Has participated in many diving expeditions, is interested in ecology and how climate change affects the underwater world.","url":"https:\/\/daivings.lv\/en\/author\/admin\/"}]}},"_links":{"self":[{"href":"https:\/\/daivings.lv\/en\/wp-json\/wp\/v2\/posts\/11228","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/daivings.lv\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/daivings.lv\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/daivings.lv\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/daivings.lv\/en\/wp-json\/wp\/v2\/comments?post=11228"}],"version-history":[{"count":0,"href":"https:\/\/daivings.lv\/en\/wp-json\/wp\/v2\/posts\/11228\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/daivings.lv\/en\/wp-json\/wp\/v2\/media\/11234"}],"wp:attachment":[{"href":"https:\/\/daivings.lv\/en\/wp-json\/wp\/v2\/media?parent=11228"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/daivings.lv\/en\/wp-json\/wp\/v2\/categories?post=11228"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/daivings.lv\/en\/wp-json\/wp\/v2\/tags?post=11228"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}