{"product_id":"aal-fluoride-arsenic-reduction-cartridge-activated-alumina-10-standard-nz","title":"AAL Fluoride \u0026 Arsenic Reduction Cartridge - Activated Alumina, 10\" Standard NZ","description":"\u003cp\u003eThe AAL is a non-regenerable drinking water cartridge designed to reduce fluoride to below 0.5 ppm and arsenic to below 0.02 ppm. Its media is 550 grams of pre-conditioned fine mesh activated alumina — a highly porous, adsorbent material that has undergone a special activation process to maximise its surface area and filtration capacity. Constructed entirely from FDA grade materials and media.\u003c\/p\u003e\n\n\u003cp\u003eFits all standard 10\" housings (9 3\/4\" cartridge length, 2.5\" diameter).\u003c\/p\u003e\n\n\u003cp\u003eFor best results, keep flow rate below 1 litre per minute. This cartridge is suited to benchtop and underbench filter systems — not direct kitchen tap installations where flow rates are typically higher.\u003c\/p\u003e\n\n\u003cp\u003eFor best drinking water quality, follow the AAL with a carbon block cartridge. Activated alumina removes fluoride effectively but can affect taste — a carbon stage after the AAL clears this.\u003c\/p\u003e\n\n\u003cp\u003eSold as a single cartridge.\u003c\/p\u003e\n\n\u003ch2\u003eHow it works\u003c\/h2\u003e\n\u003cp\u003eThe AAL uses pre-conditioned fine mesh activated alumina — a naturally occurring aluminium oxide compound that has been specially processed to increase its surface area and porosity. Water passes through a 100 micron pre-filter foam layer first, then through the activated alumina media, then through a 20 micron spun-bonded polypropylene post-filter. Fluoride and arsenic are adsorbed onto the alumina media as water passes through.\u003c\/p\u003e\n\n\u003ch2\u003eKey specs\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMedia\u003c\/td\u003e\n\u003ctd\u003e550g pre-conditioned fine mesh activated alumina\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePre-filter\u003c\/td\u003e\n\u003ctd\u003e100 micron reticulated poly foam\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePost-filter\u003c\/td\u003e\n\u003ctd\u003e20 micron spun-bonded polypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eFlow rate\u003c\/td\u003e\n\u003ctd\u003eMaximum 0.25 GPM (recommended below 1 LPM for best results)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e5,500 ppm fluoride (from 10 ppm feed to 1.0 ppm break)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003epH range\u003c\/td\u003e\n\u003ctd\u003e3–9\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e9 3\/4\" — fits standard 10\" housings\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMaterials\u003c\/td\u003e\n\u003ctd\u003eFDA grade throughout\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWater source\u003c\/td\u003e\n\u003ctd\u003eMains (town supply) recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eQuestions\u003c\/h2\u003e\n\n\u003ch3\u003eWhat is activated alumina and how does it reduce fluoride?\u003c\/h3\u003e\n\u003cp\u003eActivated alumina is a highly porous form of aluminium oxide. Its large surface area allows it to adsorb fluoride and arsenic ions as water passes through. The AAL uses a pre-conditioned fine mesh version specifically designed for single-use cartridge applications.\u003c\/p\u003e\n\n\u003ch3\u003eDoes it reduce arsenic as well?\u003c\/h3\u003e\n\u003cp\u003eYes. The AAL has been shown to reduce arsenic to below 0.02 ppm from a 0.12 ppm feed. Note that the total capacity for arsenic removal has not been fully determined — if arsenic reduction is the primary concern, get in touch and we can help with the right setup.\u003c\/p\u003e\n\n\u003ch3\u003eWhy do I need a carbon filter after it?\u003c\/h3\u003e\n\u003cp\u003eActivated alumina cartridges can affect the taste of water. Following the AAL with a carbon block cartridge removes any residual taste, giving you clean-tasting, fluoride-reduced water.\u003c\/p\u003e\n\n\u003ch3\u003eHow long does it last?\u003c\/h3\u003e\n\u003cp\u003eReplace every 6 months, or more frequently if flow slows or usage is higher than typical household levels. Capacity is rated at 5,500 ppm fluoride — in practical terms, replacement interval depends on the fluoride level in your supply and how much water you filter.\u003c\/p\u003e\n\n\u003ch3\u003eDoes flow rate affect performance?\u003c\/h3\u003e\n\u003cp\u003eYes. High flow rates reduce the contact time between water and the activated alumina, which reduces fluoride removal efficiency. Keep flow below 1 litre per minute for best results. High pH and high bicarbonate levels also reduce capacity — if your water is above 100 ppm bicarbonate, capacity reduces by approximately 50%; above 200 ppm, by approximately 75%.\u003c\/p\u003e\n\n\u003ch3\u003eWill it fit my housing?\u003c\/h3\u003e\n\u003cp\u003eThe AAL is 9 3\/4\" long and fits all standard 10\" filter housings with a 2.5\" diameter cartridge slot.\u003c\/p\u003e\n\n\u003ch3\u003eCan I use it with rainwater or tank water?\u003c\/h3\u003e\n\u003cp\u003eThe AAL is designed primarily for mains water fluoride and arsenic reduction. If you're on a rainwater or tank supply and have a specific fluoride or arsenic concern, get in touch and we'll help you work out the right configuration.\u003c\/p\u003e","brand":"Aqualine","offers":[{"title":"Default Title","offer_id":45647769632812,"sku":"AAL","price":115.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/5966\/6732\/files\/AALe-2000x2000h.webp?v=1781314731","url":"https:\/\/www.filtrationstation.co.nz\/products\/aal-fluoride-arsenic-reduction-cartridge-activated-alumina-10-standard-nz","provider":"Filtration Station NZ","version":"1.0","type":"link"}