{"product_id":"tdi-advanced-gas-blender","title":"TDI Advanced Gas Blender Course","description":"\u003cdiv style=\"padding-bottom:28px;\"\u003e\n\u003cp style=\"font-family:'Quicksand',sans-serif;font-weight:700;color:#14295f;text-transform:uppercase;letter-spacing:.5px;font-size:1.15rem;line-height:1.3;margin:0 0 12px;\"\u003eHelium \u0026amp; Trimix Blending · Fill for Technical Diving · No Diving Required\u003c\/p\u003e\n\n\u003cp style=\"font-family:'Mulish',sans-serif;font-size:1.15rem;color:#3d4756;line-height:1.6;margin:0 0 14px;\"\u003e\u003cstrong style=\"color:#14295f;\"\u003eFrom enriched air to helium and trimix.\u003c\/strong\u003e The TDI Advanced Gas Blender course takes you beyond nitrox into blending with helium, so you can produce the trimix technical divers rely on for deeper dives. You'll add helium to the methods you already know, master oxygen and hypoxic-gas safety, and prove it by blending and analyzing real cylinders (five nitrox and three trimix). It's classroom and hands-on with a TDI instructor, no dives and no dive gear. You'll need to be 18 and hold a TDI Nitrox Gas Blender certification first. It's the credential a shop needs to fill technical divers' tanks.\u003c\/p\u003e\n\n\u003cp style=\"font-family:'Mulish',sans-serif;font-size:1.02rem;color:#3d4756;line-height:1.55;margin:0;\"\u003eVeterans can put their \u003ca href=\"\/pages\/gi-bill-scuba-certification\" style=\"color:#3f7fa6;font-weight:700;text-decoration:none;\"\u003eGI Bill\u003c\/a\u003e toward their training, and families can use \u003ca href=\"\/pages\/arizona-esa-scuba-certification\" style=\"color:#3f7fa6;font-weight:700;text-decoration:none;\"\u003eESA or ClassWallet funds\u003c\/a\u003e. See if you qualify.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!--DPD-SPLIT--\u003e\n\u003cdiv style=\"--navy:#14295f;--steel:#3f7fa6;--blue:#4a90c2;--coral:#e07a5f;--incl-bg:#e9f3fb;--incl-accent:#3f8bb0;--excl-bg:#fdeeeb;--excl-accent:#e07a5f;--callout-bg:#f4f7ec;font-family:'Mulish',sans-serif;color:#2c3340;font-size:22px;line-height:1.6;max-width:1040px;margin:0 auto;\"\u003e\n\u003csection style=\"text-align:center;\"\u003e\n\u003ch2 style=\"font-family:'Quicksand',sans-serif;color:#14295f; font-size:46px;font-weight:700;margin:0 0 12px;\"\u003eTDI Advanced Gas Blender Course\u003c\/h2\u003e\n\n\u003cdiv style=\"font-family:'Quicksand',sans-serif;font-weight:700;color:#3f7fa6;text-transform:uppercase;letter-spacing:1px;font-size:20px;margin:0 0 24px;\"\u003eHelium \u0026amp; Trimix Blending · Fill for Technical Diving · No Diving Required\u003c\/div\u003e\n\n\u003cp style=\"max-width:900px;margin:0 auto;font-size:25px;color:#3d4756;\"\u003eNitrox is where blending starts. Trimix is where it gets serious. The TDI Advanced Gas Blender course takes you beyond enriched air and into blending with helium, so you can produce the trimix that technical divers rely on for deeper dives. You'll add helium to the methods you already know, master the extra oxygen and hypoxic-gas safety that higher-end blending demands, and prove it by blending and analyzing real cylinders. It's classroom and fill-station work with no diving involved, and it's the certification a shop needs to fill technical divers' tanks.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003ch2 style=\"font-family:'Quicksand',sans-serif;color:#14295f; text-align:center;font-size:38px;font-weight:700;margin:48px 0 8px;\"\u003eWhat this adds\u003c\/h2\u003e\n\n\u003csection style=\"background:#e9f3fb;border-top:5px solid #3f8bb0;border-radius:16px;padding:30px 36px 32px;margin:26px 0 8px;\"\u003e\n\u003cp style=\"text-align:center;color:#3d4756;font-size:23px;margin:0 0 16px;\"\u003eEverything from nitrox blending, plus the skills that make trimix possible:\u003c\/p\u003e\n\n\u003cul style=\"max-width:860px;margin:0 auto;padding-left:22px;\"\u003e\n\t\u003cli style=\"margin-bottom:12px;font-size:23px;\"\u003eSafely incorporate helium into your mixes\u003c\/li\u003e\n\t\u003cli style=\"margin-bottom:12px;font-size:23px;\"\u003eProduce trimix for deeper technical diving applications\u003c\/li\u003e\n\t\u003cli style=\"margin-bottom:12px;font-size:23px;\"\u003eManage hypoxic-gas risk with proper labeling, verification, and procedures\u003c\/li\u003e\n\t\u003cli style=\"margin-bottom:12px;font-size:23px;\"\u003eBlend mixes containing helium on your own once certified\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:26px;margin:36px 0;\"\u003e\n\u003cdiv style=\"background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 8px 22px rgba(20,41,95,.06);border-top:5px solid #3f8bb0;\"\u003e\n\u003cdiv style=\"padding:30px 32px 34px;\"\u003e\n\u003ch3 style=\"font-family:'Quicksand',sans-serif;color:#14295f; text-align:center;font-size:30px;font-weight:700;margin:0 0 14px;\"\u003eWhat you'll learn\u003c\/h3\u003e\n\n\u003cp style=\"color:#3d4756;margin:0;font-size:22px;\"\u003eThe blending toolkit, extended to helium and trimix.\u003c\/p\u003e\n\n\u003cul style=\"margin:16px 0 0 22px;color:#3d4756;padding:0;\"\u003e\n\t\u003cli style=\"margin-bottom:11px;font-size:22px;\"\u003ePartial pressure blending mathematics\u003c\/li\u003e\n\t\u003cli style=\"margin-bottom:11px;font-size:22px;\"\u003eContinuous blending, de-nitrogenated air, and pre-mix systems\u003c\/li\u003e\n\t\u003cli style=\"margin-bottom:11px;font-size:22px;\"\u003eAdding helium to a mix, and the calculations behind it\u003c\/li\u003e\n\t\u003cli style=\"margin-bottom:11px;font-size:22px;\"\u003eProducing trimix to a target blend\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 8px 22px rgba(20,41,95,.06);border-top:5px solid #3f8bb0;\"\u003e\n\u003cdiv style=\"padding:30px 32px 34px;\"\u003e\n\u003ch3 style=\"font-family:'Quicksand',sans-serif;color:#14295f; text-align:center;font-size:30px;font-weight:700;margin:0 0 14px;\"\u003eSafety \u0026amp; analysis\u003c\/h3\u003e\n\n\u003cp style=\"color:#3d4756;margin:0;font-size:22px;\"\u003eHigher-end gases raise the stakes, so this is where the discipline lives.\u003c\/p\u003e\n\n\u003cul style=\"margin:16px 0 0 22px;color:#3d4756;padding:0;\"\u003e\n\t\u003cli style=\"margin-bottom:11px;font-size:22px;\"\u003eOxygen hazards, and the causes and prevention of oxygen fire\u003c\/li\u003e\n\t\u003cli style=\"margin-bottom:11px;font-size:22px;\"\u003eOxygen system design and oxygen-clean handling\u003c\/li\u003e\n\t\u003cli style=\"margin-bottom:11px;font-size:22px;\"\u003eHypoxic gas risk management: labeling, verification, and procedures\u003c\/li\u003e\n\t\u003cli style=\"margin-bottom:11px;font-size:22px;\"\u003eOxygen analysis and helium calculations on every mix\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection style=\"background:#f4f7ec;border:1px solid #e6ecd6;border-radius:16px;padding:30px 34px;margin:30px 0 8px;\"\u003e\n\u003ch3 style=\"font-family:'Quicksand',sans-serif;color:#14295f; text-align:center;font-size:30px;margin:0 0 12px;\"\u003eProve it on real cylinders\u003c\/h3\u003e\n\n\u003cp style=\"text-align:center;color:#3d4756;font-size:22px;margin:0 auto;max-width:860px;\"\u003eThis isn't only theory. To certify, you'll blend and analyze real gas: five nitrox cylinders and three trimix cylinders, so you leave having actually done the work, not just read about it.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:26px;margin:36px 0;\"\u003e\n\u003cdiv style=\"background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 8px 22px rgba(20,41,95,.06);border-top:5px solid #3f8bb0;\"\u003e\n\u003cdiv style=\"padding:30px 32px 34px;\"\u003e\n\u003ch3 style=\"font-family:'Quicksand',sans-serif;color:#14295f; text-align:center;font-size:30px;font-weight:700;margin:0 0 14px;\"\u003eWho it's for\u003c\/h3\u003e\n\n\u003cp style=\"color:#3d4756;margin:0;font-size:22px;\"\u003eBuilt for the people who fill technical divers' tanks.\u003c\/p\u003e\n\n\u003cul style=\"margin:16px 0 0 22px;color:#3d4756;padding:0;\"\u003e\n\t\u003cli style=\"margin-bottom:11px;font-size:22px;\"\u003eDive shop staff moving into technical gas fills\u003c\/li\u003e\n\t\u003cli style=\"margin-bottom:11px;font-size:22px;\"\u003eDivers who want to understand advanced blending\u003c\/li\u003e\n\t\u003cli style=\"margin-bottom:11px;font-size:22px;\"\u003eCertified nitrox blenders ready for the next step\u003c\/li\u003e\n\t\u003cli style=\"margin-bottom:11px;font-size:22px;\"\u003eMinimum age 18\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 8px 22px rgba(20,41,95,.06);border-top:5px solid #3f8bb0;\"\u003e\n\u003cdiv style=\"padding:30px 32px 34px;\"\u003e\n\u003ch3 style=\"font-family:'Quicksand',sans-serif;color:#14295f; text-align:center;font-size:30px;font-weight:700;margin:0 0 14px;\"\u003eBefore you enroll\u003c\/h3\u003e\n\n\u003cp style=\"color:#3d4756;margin:0;font-size:22px;\"\u003eYou'll need the nitrox blending foundation first.\u003c\/p\u003e\n\n\u003cul style=\"margin:16px 0 0 22px;color:#3d4756;padding:0;\"\u003e\n\t\u003cli style=\"margin-bottom:11px;font-size:22px;\"\u003eProof of certification as a \u003ca href=\"\/products\/tdi-nitrox-gas-blender\" style=\"color:#3f7fa6;font-weight:700;text-decoration:none;\"\u003eTDI Nitrox Gas Blender\u003c\/a\u003e, or equivalent\u003c\/li\u003e\n\t\u003cli style=\"margin-bottom:11px;font-size:22px;\"\u003eMinimum age 18\u003c\/li\u003e\n\t\u003cli style=\"margin-bottom:11px;font-size:22px;\"\u003eNo diving certification required\u003c\/li\u003e\n\t\u003cli style=\"margin-bottom:11px;font-size:22px;\"\u003eNot a blender yet? We'll get you through Nitrox Gas Blender first\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:26px;margin:34px 0;\"\u003e\n\u003cdiv style=\"border-radius:16px;padding:30px 32px 32px; background:#e9f3fb;border-top:5px solid #3f8bb0;\"\u003e\n\u003ch2 style=\"font-family:'Quicksand',sans-serif;color:#14295f; text-align:center;font-size:30px;margin:0 0 14px;\"\u003e✓ What's included\u003c\/h2\u003e\n\n\u003cul style=\"margin:0 0 0 22px;color:#3d4756;padding:0;\"\u003e\n\t\u003cli style=\"margin-bottom:11px;font-size:22px;\"\u003eThe TDI Advanced Gas Blender eLearning and knowledge materials\u003c\/li\u003e\n\t\u003cli style=\"margin-bottom:11px;font-size:22px;\"\u003eHands-on practical training with a TDI instructor\u003c\/li\u003e\n\t\u003cli style=\"margin-bottom:11px;font-size:22px;\"\u003eTime on real blending and gas-analysis equipment\u003c\/li\u003e\n\t\u003cli style=\"margin-bottom:11px;font-size:22px;\"\u003eYour TDI Advanced Gas Blender certification on completion\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"border-radius:16px;padding:30px 32px 32px; background:#f4f7ec;border-top:5px solid #b9c47a;\"\u003e\n\u003ch2 style=\"font-family:'Quicksand',sans-serif;color:#14295f; text-align:center;font-size:30px;margin:0 0 14px;\"\u003eGood to know\u003c\/h2\u003e\n\n\u003cul style=\"margin:0 0 0 22px;color:#3d4756;padding:0;\"\u003e\n\t\u003cli style=\"margin-bottom:11px;font-size:22px;\"\u003e\n\u003cstrong style=\"color:#14295f;\"\u003eNo dives and no dive gear.\u003c\/strong\u003e This is a classroom and fill-station course.\u003c\/li\u003e\n\t\u003cli style=\"margin-bottom:11px;font-size:22px;\"\u003e\n\u003cstrong style=\"color:#14295f;\"\u003eNitrox Gas Blender comes first.\u003c\/strong\u003e It's the prerequisite for this course.\u003c\/li\u003e\n\t\u003cli style=\"margin-bottom:11px;font-size:22px;\"\u003eYou'll blend and analyze real cylinders (5 nitrox, 3 trimix) to certify.\u003c\/li\u003e\n\t\u003cli style=\"margin-bottom:11px;font-size:22px;\"\u003eThe certification a shop needs to fill technical divers' trimix.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection style=\"margin:46px 0 8px;\"\u003e\n\u003ch2 style=\"font-family:'Quicksand',sans-serif;color:#14295f;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cdetails open=\"\" style=\"background:#fff;border-radius:12px;box-shadow:0 4px 12px rgba(20,41,95,.05);margin-bottom:14px;overflow:hidden;\"\u003e\u003csummary style=\"cursor:pointer;padding:20px 26px;font-family:'Quicksand',sans-serif;font-weight:700;color:#14295f;font-size:24px;display:flex;justify-content:space-between;align-items:center;\"\u003eWhat does this add over the Nitrox Gas Blender course?\u003c\/summary\u003e\n\n\u003cdiv style=\"padding:0 26px 22px;color:#3d4756;font-size:22px;\"\u003eHelium. The Nitrox Gas Blender course covers enriched air; this one adds blending with helium so you can produce trimix for deeper technical diving, along with the extra oxygen and hypoxic-gas safety that higher-end blending requires.\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"background:#fff;border-radius:12px;box-shadow:0 4px 12px rgba(20,41,95,.05);margin-bottom:14px;overflow:hidden;\"\u003e\u003csummary style=\"cursor:pointer;padding:20px 26px;font-family:'Quicksand',sans-serif;font-weight:700;color:#14295f;font-size:24px;display:flex;justify-content:space-between;align-items:center;\"\u003eWhat are the prerequisites?\u003c\/summary\u003e\n\n\u003cdiv style=\"padding:0 26px 22px;color:#3d4756;font-size:22px;\"\u003eYou'll need to be at least 18 and hold a TDI Nitrox Gas Blender certification, or equivalent. No diving certification is required. If you're not a nitrox blender yet, we'll get you through that course first.\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"background:#fff;border-radius:12px;box-shadow:0 4px 12px rgba(20,41,95,.05);margin-bottom:14px;overflow:hidden;\"\u003e\u003csummary style=\"cursor:pointer;padding:20px 26px;font-family:'Quicksand',sans-serif;font-weight:700;color:#14295f;font-size:24px;display:flex;justify-content:space-between;align-items:center;\"\u003eAre there any dives?\u003c\/summary\u003e\n\n\u003cdiv style=\"padding:0 26px 22px;color:#3d4756;font-size:22px;\"\u003eNo. Like the nitrox blending course, this is classroom and fill-station training, TDI eLearning for the knowledge plus hands-on practical work with an instructor. There's no in-water component.\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"background:#fff;border-radius:12px;box-shadow:0 4px 12px rgba(20,41,95,.05);margin-bottom:14px;overflow:hidden;\"\u003e\u003csummary style=\"cursor:pointer;padding:20px 26px;font-family:'Quicksand',sans-serif;font-weight:700;color:#14295f;font-size:24px;display:flex;justify-content:space-between;align-items:center;\"\u003eWhat will I actually blend?\u003c\/summary\u003e\n\n\u003cdiv style=\"padding:0 26px 22px;color:#3d4756;font-size:22px;\"\u003eTo certify, you'll blend and analyze real gas: five nitrox cylinders and three trimix cylinders. You leave having done the work on live equipment, not just studied it.\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"background:#fff;border-radius:12px;box-shadow:0 4px 12px rgba(20,41,95,.05);margin-bottom:14px;overflow:hidden;\"\u003e\u003csummary style=\"cursor:pointer;padding:20px 26px;font-family:'Quicksand',sans-serif;font-weight:700;color:#14295f;font-size:24px;display:flex;justify-content:space-between;align-items:center;\"\u003eWhat can I do once I'm certified?\u003c\/summary\u003e\n\n\u003cdiv style=\"padding:0 26px 22px;color:#3d4756;font-size:22px;\"\u003eYou're qualified to blend mixes containing helium, including trimix, on your own. It's the certification a dive shop needs for anyone filling technical divers' tanks.\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"background:#fff;border-radius:12px;box-shadow:0 4px 12px rgba(20,41,95,.05);margin-bottom:14px;overflow:hidden;\"\u003e\u003csummary style=\"cursor:pointer;padding:20px 26px;font-family:'Quicksand',sans-serif;font-weight:700;color:#14295f;font-size:24px;display:flex;justify-content:space-between;align-items:center;\"\u003eDo I need to be a diver?\u003c\/summary\u003e\n\n\u003cdiv style=\"padding:0 26px 22px;color:#3d4756;font-size:22px;\"\u003eNo diving certification is required. It's written for dive shop staff and for divers who want to understand advanced blending. The only diving-adjacent requirement is the Nitrox Gas Blender certification.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection style=\"background:#4a90c2;border-radius:16px;text-align:center;padding:48px 32px;margin:46px 0 24px;\"\u003e\n\u003ch2 style=\"font-family:'Quicksand',sans-serif;color:#14295f; color:#14295f;font-size:46px;margin:0 0 14px;\"\u003eLearn to Blend Trimix.\u003c\/h2\u003e\n\n\u003cp style=\"color:#fff;font-size:25px;max-width:700px;margin:0 auto 28px;\"\u003eGo from enriched air to helium and trimix. Call the shop and we'll get your Advanced Gas Blender course scheduled.\u003c\/p\u003e\n\u003ca href=\"tel:+14808814013\" style=\"display:inline-block;background:#e07a5f;color:#12233f;font-family:'Quicksand',sans-serif;font-weight:700;font-size:24px;border-radius:44px;padding:18px 42px;text-decoration:none;\"\u003eCall the shop (480) 881-4013\u003c\/a\u003e\u003c\/section\u003e\n\n\u003cp style=\"text-align:center;color:#5a6675;font-size:19px;margin:0;\"\u003eA TDI advanced gas blending certification adding helium and trimix, delivered as eLearning plus hands-on practical training with a TDI instructor. Certifying blends: five nitrox and three trimix cylinders. Prerequisite: TDI Nitrox Gas Blender (or equivalent). No dives. Minimum age 18.\u003c\/p\u003e\n\n\u003cp style=\"text-align:center;color:#8592a2;font-size:17px;margin:22px 0 0;padding-top:18px;border-top:1px solid #e4e9ef;\"\u003eBy booking, you agree to our \u003ca href=\"\/policies\/terms-of-service\" style=\"color:#3f7fa6;font-weight:700;text-decoration:none;\"\u003eTerms \u0026amp; Conditions\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Dive Arizona","offers":[{"title":"Default Title","offer_id":52640427999463,"sku":"tdi-advanced-gas-blender","price":475.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0807\/4156\/4647\/files\/lg_6709553876_1787085570_3545746.jpg?v=1789518293","url":"https:\/\/divearizona.com\/products\/tdi-advanced-gas-blender","provider":"Dive Arizona","version":"1.0","type":"link"}