{"product_id":"aqua-medic-230mv-redox-orp-test-fluid-60ml","title":"Aqua Medic 230mV Redox (ORP) Test Fluid 60ml","description":"\u003cp\u003e\u003cstrong\u003eA redox probe only tells the truth if it's been checked against a known reference.\u003c\/strong\u003e Aqua Medic's 230mV Redox (ORP) Test Fluid is a 60 ml calibration standard used to check and, where the controller allows, recalibrate the accuracy of oxidation-reduction potential probes on marine and reef aquariums. It suits anyone running an ORP monitor or controller who wants confidence that the number on screen reflects the water, not probe drift.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixed 230 mV reference value\u003c\/strong\u003e — a known, stable benchmark to check a probe's reading against.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e60 ml bottle\u003c\/strong\u003e — enough fluid for several calibration checks over the life of the bottle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorks with any ORP\/redox probe\u003c\/strong\u003e — not tied to a specific brand of controller or meter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eVolume\u003c\/th\u003e\n\u003ctd\u003e60 ml\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eReference value\u003c\/th\u003e\n\u003ctd\u003e230 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003ctd\u003eRedox \/ ORP (oxidation-reduction potential)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\n\u003cp\u003eSuitable for checking and calibrating ORP\/redox probes and controllers on any marine or reef system. Not suitable as a water additive — it is a calibration standard, not intended to be added to display tank water, and it doesn't calibrate pH or conductivity probes; those need their own reference fluids.\u003c\/p\u003e\n\n\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\n\u003cp\u003eRecalibrate at the interval your probe manufacturer recommends. Use fresh fluid for each check rather than pouring used fluid back into the bottle, and keep the cap tightly closed between uses to protect the reference value.\u003c\/p\u003e\n\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eFor probe calibration only — not for consumption and not for addition to aquarium water. Avoid contact with eyes and skin; rinse with water if contact occurs, and keep out of reach of children.\u003c\/p\u003e\n\n\u003ch3\u003eGoes well with\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"\/products\/aqua-medic-250%C2%B5s-test-fluid-60ml\"\u003eAqua Medic 250µS Test Fluid\u003c\/a\u003e and \u003ca href=\"\/products\/aqua-medic-50ms-test-fluid-60ml\"\u003eAqua Medic 50mS Test Fluid\u003c\/a\u003e, for calibrating conductivity probes alongside redox.\u003c\/p\u003e\n\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eCovered by Aqua Medic's standard guarantee against manufacturing defects, in addition to your rights under Australian Consumer Law. Standard parcel delivery.\u003c\/p\u003e\n\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eWhat does a 230mV reference fluid actually do?\u003c\/h4\u003e\n\u003cp\u003eIt gives the probe a known, fixed value to read. If the probe's display doesn't match 230mV closely, it needs recalibrating or has drifted.\u003c\/p\u003e\n\u003ch4\u003eHow do I know when to recalibrate my ORP probe?\u003c\/h4\u003e\n\u003cp\u003eFollow your probe or controller manufacturer's recommended interval — check the reading against this fluid at that schedule, or sooner if readings seem inconsistent with what you'd expect.\u003c\/p\u003e\n\u003ch4\u003eCan I reuse the fluid after testing?\u003c\/h4\u003e\n\u003cp\u003eNo — once fluid has been exposed to the probe it can pick up contamination, so use a fresh measure each time rather than returning it to the bottle.\u003c\/p\u003e\n\u003ch4\u003eIs this fluid safe to add to my display tank?\u003c\/h4\u003e\n\u003cp\u003eNo. It's a calibration standard for use on the probe only, not a water treatment or additive.\u003c\/p\u003e","brand":"Aqua Medic","offers":[{"title":"Default Title","offer_id":55285032190243,"sku":"AM230230","price":35.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/aqua-medic-230mv-redox-orp-t-43505747919139.webp?v=1790234313","url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/products\/aqua-medic-230mv-redox-orp-test-fluid-60ml","provider":"Nicks AOT","version":"1.0","type":"link"}