{"product_id":"seachem-ph-alert-6-month","title":"Seachem pH Alert (6 Month)","description":"\u003cp\u003e\u003cstrong\u003eKnow your pH at a glance, every day — no strips, no drops.\u003c\/strong\u003e Seachem pH Alert is a continuous colour-changing sensor for freshwater aquariums. Placed anywhere visible in the tank or filter, its sensor shifts reversibly from yellow through orange to red as pH moves between 5.4 and 8.0 — just match the sensor colour against the included colour wheel to read your pH.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous monitoring\u003c\/strong\u003e — catches pH swings between water tests, rather than only the moment you happen to test.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReads pH from 5.4 to 8.0\u003c\/strong\u003e on a simple colour wheel — no reagents, no liquid tests.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast response\u003c\/strong\u003e — first reading available around 30 minutes after installation; after that, pH shifts register within roughly 10 minutes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong service life\u003c\/strong\u003e — rated for around 6 months of continuous use, up to 4× longer than competing colour indicators.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact\u003c\/strong\u003e — nearly half the size of competing monitors, so it stays unobtrusive in the display.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreshwater use only\u003c\/strong\u003e — not formulated for marine or brackish water.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eSeachem\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct\u003c\/th\u003e\n\u003ctd\u003epH Alert\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWater type\u003c\/th\u003e\n\u003ctd\u003eFreshwater only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003epH range read\u003c\/th\u003e\n\u003ctd\u003e5.4–8.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInitial response time\u003c\/th\u003e\n\u003ctd\u003eApproximately 30 minutes after installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSubsequent response time\u003c\/th\u003e\n\u003ctd\u003eApproximately 10 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRated service life\u003c\/th\u003e\n\u003ctd\u003eAround 6 months\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eReading method\u003c\/th\u003e\n\u003ctd\u003eColour wheel comparison, no reagents required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003ctd\u003e725035-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBarcode\u003c\/th\u003e\n\u003ctd\u003e116002004\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eCare\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eWipe algae away with a clean, soft material only — no bleach, soap, detergents or hard objects\u003c\/li\u003e\n\u003cli\u003eSome dye-based medications may discolour the sensor\u003c\/li\u003e\n\u003cli\u003eRead under natural or daylight-spectrum lighting for best sensitivity\u003c\/li\u003e\n\u003cli\u003eReplace the unit when the sensor colour visibly fades or washes out — that's the end-of-life signal, generally around 6 months of continuous use\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for:\u003c\/strong\u003e freshwater community, planted and cichlid tanks where you want an at-a-glance pH check between full water tests.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e marine or brackish aquariums — the sensor and colour range are calibrated for freshwater pH only. Use a marine-specific test kit for saltwater systems.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered by Seachem's standard quality guarantee at the time of sale, in addition to your rights under Australian Consumer Law. Ships as a standard parcel.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eCan I use pH Alert in a saltwater tank?\u003c\/h4\u003e\u003cp\u003eNo. pH Alert is formulated for freshwater use only and isn't calibrated for marine pH ranges.\u003c\/p\u003e\u003ch4\u003eHow do I know when it needs replacing?\u003c\/h4\u003e\u003cp\u003eWhen the sensor colour visibly fades or washes out, it's exhausted and ready to be replaced — generally after around 6 months of continuous use.\u003c\/p\u003e\u003ch4\u003eDoes it replace a liquid pH test kit?\u003c\/h4\u003e\u003cp\u003eIt's a continuous, at-a-glance monitor rather than a precision test — it's best used alongside occasional liquid testing, not as a full replacement for it.\u003c\/p\u003e\u003ch4\u003eWill medications affect the reading?\u003c\/h4\u003e\u003cp\u003eSome dye-based medications can discolour the sensor and affect its accuracy while they're in the water.\u003c\/p\u003e\u003ch4\u003eWhere should I place it?\u003c\/h4\u003e\u003cp\u003eAnywhere it stays visible in the tank or filter — visibility is what makes it useful as an at-a-glance check.\u003c\/p\u003e","brand":"Seachem","offers":[{"title":"Default Title","offer_id":54773864562979,"sku":"725035-20","price":29.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/seachem-ph-alert-6-month-572259.webp?v=1790230839","url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/products\/seachem-ph-alert-6-month","provider":"Nicks AOT","version":"1.0","type":"link"}