{"product_id":"hanna-checker-hc-phosphat-ulr-hi774d","title":"Hanna Checker HC HI774D – Marine Phosphate ULR | incl. Tropic Marin PO4 Refill","description":"\u003csection class=\"pr-led-trust\"\u003e\u003cdiv class=\"pr-led-container\"\u003e\u003cdiv class=\"pr-led-trust-grid\"\u003e\n\u003cdiv class=\"pr-led-trust-item\"\u003e\n\u003cp class=\"pr-led-trust-title\"\u003e\u003cstrong\u003eHanna Instruments\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"pr-led-trust-text\"\u003eMeasurement and analysis technology.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pr-led-trust-item\"\u003e\n\u003cp class=\"pr-led-trust-title\"\u003e\u003cstrong\u003eDigital display\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"pr-led-trust-text\"\u003eNo colour matching by eye.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pr-led-trust-item\"\u003e\n\u003cp class=\"pr-led-trust-title\"\u003e\u003cstrong\u003eReagent included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"pr-led-trust-text\"\u003eTropic Marin PO4 Professional included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pr-led-trust-item\"\u003e\n\u003cp class=\"pr-led-trust-title\"\u003e\u003cstrong\u003eAdvice\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"pr-led-trust-text\"\u003eWe help you choose.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"pr-led-overview\"\u003e\u003cdiv class=\"pr-led-container\"\u003e\n\u003cdiv class=\"pr-led-section-intro\"\u003e\n\u003cspan class=\"pr-led-eyebrow\"\u003eAt a glance\u003c\/span\u003e\u003ch2\u003eWhat does the Hanna HI774D measure?\u003c\/h2\u003e\n\u003cp\u003eThe Hanna Checker HC HI774D is a digital photometer for phosphate in saltwater in the ultra-low range of 0.00 to 0.90 ppm. According to Hanna, it resolves to 0.01 ppm, making it suitable for low-nutrient reef tanks. Hanna supplies the HI774D version without reagents.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pr-led-info-note\"\u003e\n\u003cspan class=\"pr-led-info-note-icon\"\u003ei\u003c\/span\u003e\u003cp\u003eInstead of the Hanna reagents, we include the Tropic Marin PO4 Professional refill. You measure with the HI774D using this reagent. You can buy more from us separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pr-led-overview-grid\"\u003e\n\u003carticle class=\"pr-led-info-card\"\u003e\u003cdiv class=\"pr-led-info-top\"\u003eRange\u003c\/div\u003e\n\u003ch3\u003e0.00 to 0.90 ppm\u003c\/h3\u003e\n\u003cp\u003eSuitable for SPS and mixed reefs.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"pr-led-info-card\"\u003e\u003cdiv class=\"pr-led-info-top\"\u003eReagent\u003c\/div\u003e\n\u003ch3\u003eTropic Marin PO4 Pro\u003c\/h3\u003e\n\u003cp\u003eRefill included.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"pr-led-info-card\"\u003e\u003cdiv class=\"pr-led-info-top\"\u003eMeter\u003c\/div\u003e\n\u003ch3\u003eHI774D\u003c\/h3\u003e\n\u003cp\u003eHanna Checker HC without Hanna reagents.\u003c\/p\u003e\u003c\/article\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"pr-led-faq\"\u003e\u003cdiv class=\"pr-led-container\"\u003e\n\u003cdiv class=\"pr-led-section-intro\"\u003e\n\u003cspan class=\"pr-led-eyebrow\"\u003eFAQ\u003c\/span\u003e\u003ch2\u003eQuestions about the Hanna HI774D.\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pr-led-faq-list\"\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat phosphate level makes sense in a reef aquarium?\u003c\/summary\u003e\u003cdiv class=\"pr-led-faq-answer\"\u003e\u003cp\u003eMany reefers keep phosphate between about 0.02 and 0.10 ppm. More important than a fixed value is that it stays stable and doesn't drop to zero permanently.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow is it different from the HI774?\u003c\/summary\u003e\u003cdiv class=\"pr-led-faq-answer\"\u003e\u003cp\u003eIt is the same phosphate Checker. The HI774D just comes without the Hanna powder reagents. Instead, we include the Tropic Marin PO4 Professional refill.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHI774D or HI736 – what's the difference?\u003c\/summary\u003e\u003cdiv class=\"pr-led-faq-answer\"\u003e\u003cp\u003eThe HI774D shows phosphate in ppm, the HI736 phosphorus in ppb. 1 ppb phosphorus corresponds to around 3 ppb phosphate. The HI736 offers finer resolution at very low levels.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhere do I get new reagent?\u003c\/summary\u003e\u003cdiv class=\"pr-led-faq-answer\"\u003e\u003cp\u003eWe also sell the Tropic Marin PO4 Professional refill separately.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Hanna Instruments","offers":[{"title":"Checker incl. starter reagents","offer_id":55478303261001,"sku":"HI774D","price":109.99,"currency_code":"EUR","in_stock":true},{"title":"Tropic Marin PO4 Professional Nachfüllung","offer_id":55836255813961,"sku":"TM-28786","price":19.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/2681\/5305\/files\/hi774-open-angle-720x720-4122ac2e-4b46-4a09-8bfe-c2086daf2dd9.jpg?v=1790783938","url":"https:\/\/www.premiumreefing.de\/en\/products\/hanna-checker-hc-phosphat-ulr-hi774d","provider":"Premium Reefing","version":"1.0","type":"link"}