{"product_id":"dop","title":"Lab Grade Dissolved Oxygen Probe","description":"\u003cp\u003e\u003cstrong\u003eNeptune Systems Lab Grade Dissolved Oxygen Probe\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eAccurate, Long-Term Dissolved Oxygen Monitoring\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis lab-grade dissolved oxygen (DO) probe is designed for use with the Neptune PM3 module, providing precise and reliable measurement of oxygen levels in your aquarium. Unlike traditional probes, the replaceable membrane design allows for long-term use without needing full probe replacement.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLab-grade dissolved oxygen measurement\u003c\/li\u003e\n  \u003cli\u003eCompatible with Neptune PM3 module\u003c\/li\u003e\n  \u003cli\u003eReplaceable sensing membrane for extended lifespan\u003c\/li\u003e\n  \u003cli\u003eIncludes 3 m cable\u003c\/li\u003e\n  \u003cli\u003eCost-effective long-term maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eReplaceable Membrane System\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe probe’s sensing membrane can be replaced approximately every 3 months, restoring performance to like-new condition. Replacement is quick, simple, and economical, making this probe a long-term solution for oxygen monitoring.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy Monitor Dissolved Oxygen?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDissolved oxygen is a critical parameter in both reef and freshwater aquariums. Oxygen levels are influenced by surface agitation, gas exchange, biological load, and organic waste breakdown.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eLow oxygen levels can stress or kill fish and corals\u003c\/li\u003e\n  \u003cli\u003eOverstocked systems are especially at risk\u003c\/li\u003e\n  \u003cli\u003eDecomposition of organic matter consumes oxygen\u003c\/li\u003e\n  \u003cli\u003eGas exchange at the surface is the primary oxygen source\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eOxygen levels can be improved through increased surface agitation, air stones, or optimized water flow.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eRecommended Dissolved Oxygen Levels\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOptimal range: 4.5 – 7 ppm\u003c\/li\u003e\n  \u003cli\u003eStress may occur below: 4 ppm\u003c\/li\u003e\n  \u003cli\u003eDangerous levels: below 3 ppm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eDissolved Oxygen Reference Table (ppm at 100% Saturation)\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eTemp °C (°F)\u003c\/th\u003e\n      \u003cth\u003e0 ppt\u003c\/th\u003e\n      \u003cth\u003e5 ppt\u003c\/th\u003e\n      \u003cth\u003e10 ppt\u003c\/th\u003e\n      \u003cth\u003e15 ppt\u003c\/th\u003e\n      \u003cth\u003e20 ppt\u003c\/th\u003e\n      \u003cth\u003e25 ppt\u003c\/th\u003e\n      \u003cth\u003e30 ppt\u003c\/th\u003e\n      \u003cth\u003e35 ppt\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e18 (64.4)\u003c\/td\u003e\n      \u003ctd\u003e9.45\u003c\/td\u003e\n\u003ctd\u003e9.17\u003c\/td\u003e\n\u003ctd\u003e8.90\u003c\/td\u003e\n\u003ctd\u003e8.64\u003c\/td\u003e\n\u003ctd\u003e8.38\u003c\/td\u003e\n\u003ctd\u003e8.14\u003c\/td\u003e\n\u003ctd\u003e7.90\u003c\/td\u003e\n\u003ctd\u003e7.66\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e20 (68.0)\u003c\/td\u003e\n      \u003ctd\u003e9.08\u003c\/td\u003e\n\u003ctd\u003e8.81\u003c\/td\u003e\n\u003ctd\u003e8.56\u003c\/td\u003e\n\u003ctd\u003e8.31\u003c\/td\u003e\n\u003ctd\u003e8.06\u003c\/td\u003e\n\u003ctd\u003e7.83\u003c\/td\u003e\n\u003ctd\u003e7.60\u003c\/td\u003e\n\u003ctd\u003e7.38\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e22 (71.6)\u003c\/td\u003e\n      \u003ctd\u003e8.73\u003c\/td\u003e\n\u003ctd\u003e8.48\u003c\/td\u003e\n\u003ctd\u003e8.23\u003c\/td\u003e\n\u003ctd\u003e8.00\u003c\/td\u003e\n\u003ctd\u003e7.77\u003c\/td\u003e\n\u003ctd\u003e7.54\u003c\/td\u003e\n\u003ctd\u003e7.33\u003c\/td\u003e\n\u003ctd\u003e7.12\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e24 (75.2)\u003c\/td\u003e\n      \u003ctd\u003e8.40\u003c\/td\u003e\n\u003ctd\u003e8.16\u003c\/td\u003e\n\u003ctd\u003e7.93\u003c\/td\u003e\n\u003ctd\u003e7.71\u003c\/td\u003e\n\u003ctd\u003e7.49\u003c\/td\u003e\n\u003ctd\u003e7.28\u003c\/td\u003e\n\u003ctd\u003e7.07\u003c\/td\u003e\n\u003ctd\u003e6.87\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e26 (78.8)\u003c\/td\u003e\n      \u003ctd\u003e8.09\u003c\/td\u003e\n\u003ctd\u003e7.87\u003c\/td\u003e\n\u003ctd\u003e7.65\u003c\/td\u003e\n\u003ctd\u003e7.44\u003c\/td\u003e\n\u003ctd\u003e7.23\u003c\/td\u003e\n\u003ctd\u003e7.03\u003c\/td\u003e\n\u003ctd\u003e6.83\u003c\/td\u003e\n\u003ctd\u003e6.64\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e28 (82.4)\u003c\/td\u003e\n      \u003ctd\u003e7.81\u003c\/td\u003e\n\u003ctd\u003e7.59\u003c\/td\u003e\n\u003ctd\u003e7.38\u003c\/td\u003e\n\u003ctd\u003e7.18\u003c\/td\u003e\n\u003ctd\u003e6.98\u003c\/td\u003e\n\u003ctd\u003e6.79\u003c\/td\u003e\n\u003ctd\u003e6.61\u003c\/td\u003e\n\u003ctd\u003e6.42\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e30 (86.0)\u003c\/td\u003e\n      \u003ctd\u003e7.54\u003c\/td\u003e\n\u003ctd\u003e7.33\u003c\/td\u003e\n\u003ctd\u003e7.14\u003c\/td\u003e\n\u003ctd\u003e6.94\u003c\/td\u003e\n\u003ctd\u003e6.75\u003c\/td\u003e\n\u003ctd\u003e6.57\u003c\/td\u003e\n\u003ctd\u003e6.39\u003c\/td\u003e\n\u003ctd\u003e6.22\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003eFor example, at 26°C (78.8°F) and 35 ppt salinity, the maximum dissolved oxygen level is approximately 6.64 ppm at full saturation. In practice, most aquariums operate around 70% saturation, making proper monitoring essential.\u003c\/p\u003e","brand":"Neptune Systems","offers":[{"title":"Default Title","offer_id":48264234205441,"sku":null,"price":5291.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0558\/2592\/4245\/files\/209672_sensor-a.webp?v=1774094102","url":"https:\/\/reeflections.me\/products\/dop","provider":"Reeflections","version":"1.0","type":"link"}