{"product_id":"double-jumbo-10-filtration-system-with-sediment-and-tannin-filter","title":"10\" Double Big Blue Whole House Water Filter System – 5 Micron Sediment \u0026 Tannin Reduction Cartridge","description":"\u003cp\u003eA two-stage Big Blue whole house filtration system pairing a 5-micron sediment pre-filter with a tannin-selective reduction cartridge. Designed\n   for properties on private water supplies – boreholes, springs and wells – where naturally occurring tannins from peat, decaying vegetation and   \n  leaf litter give water a yellow or tea-coloured tint and an earthy taste.\u003c\/p\u003e\n                                                                                                                                                    \n  \u003cp\u003eBoth cartridges are supplied with the system and use the universal 10\" x 4.5\" (\"Big Blue\") format, so future replacements stay simple.\u003c\/p\u003e     \n  \n  \u003ch3\u003eWhat tannins are – and why a standard filter won't shift them\u003c\/h3\u003e                                                                            \n  \u003cp\u003eTannins are large organic molecules that leach into water from peat, leaves and decaying roots. They're not harmful to drink, but they leave\n  their mark in three ways:\u003c\/p\u003e                                                                                                                     \n  \u003cul\u003e            \n    \u003cli\u003e\n\u003cstrong\u003eDiscolouration\u003c\/strong\u003e – water comes out the tap with a yellow, amber or \"weak tea\" tint.\u003c\/li\u003e                                     \n    \u003cli\u003e\n\u003cstrong\u003eStaining\u003c\/strong\u003e – fixtures, sinks, laundry and toilet bowls pick up brown marks over time.\u003c\/li\u003e                                   \n    \u003cli\u003e\n\u003cstrong\u003eTaste and odour\u003c\/strong\u003e – an earthy, musty or astringent character that sediment and carbon cartridges don't fully remove.\u003c\/li\u003e    \n  \u003c\/ul\u003e                                                                                                                                             \n  \u003cp\u003eStandard sediment and carbon filters can't capture tannins because the molecules are too small for mechanical filtration and bind too loosely  \n  to activated carbon. They need a dedicated anion-exchange media designed specifically for this job.\u003c\/p\u003e                                           \n                  \n  \u003ch3\u003eHow the two stages work\u003c\/h3\u003e                                                                                                                  \n  \u003cul\u003e            \n    \u003cli\u003e\n\u003cstrong\u003eStage 1 – 5 Micron Sediment:\u003c\/strong\u003e captures rust, sand, silt and pipe scale that would otherwise stain fixtures, block aerators  \n  and shorten the life of appliances. Just as importantly, it protects the tannin cartridge in Stage 2 – sediment fouling shortens the life of any  \n  ion-exchange resin, so a clean pre-filter directly protects your investment in the tannin media.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eStage 2 – Tannin Reduction Cartridge:\u003c\/strong\u003e packed with a tannin-selective anion-exchange resin. The resin attracts the          \n  negatively charged tannin molecules and exchanges them for chloride ions, leaving water visibly clearer and free of the earthy taste tannins      \n  cause.\u003c\/li\u003e\n  \u003c\/ul\u003e                                                                                                                                             \n                  \n  \u003ch3\u003eImportant – will this work on your supply?\u003c\/h3\u003e                                                                                               \n  \u003cp\u003eTannin cartridges work brilliantly when matched to the right water, but they're more sensitive to feed water conditions than sediment or carbon\n   filters. Before ordering, please consider:\u003c\/p\u003e                                                                                                   \n  \u003cul\u003e            \n    \u003cli\u003e\n\u003cstrong\u003eHard water:\u003c\/strong\u003e calcium and magnesium foul tannin resin and shorten its working life dramatically. If your supply is hard, we'd\n   recommend installing a water softener upstream of this system.\u003c\/li\u003e                                                                              \n    \u003cli\u003e\n\u003cstrong\u003eIron and manganese:\u003c\/strong\u003e high levels of either will also coat and disable the resin. These are best dealt with by a dedicated\n  iron filter ahead of the tannin stage.\u003c\/li\u003e                                                                                                       \n    \u003cli\u003e\n\u003cstrong\u003eChlorine:\u003c\/strong\u003e tannin resins handle low to moderate chlorine, but heavily chlorinated supplies should be carbon-filtered\n  first.\u003c\/li\u003e                                                                                                                                       \n    \u003cli\u003e\n\u003cstrong\u003eTannin level:\u003c\/strong\u003e cartridge life depends entirely on how much tannin is in your water. Lightly tea-tinged water will give you\n  many months between changes; heavily stained water may need replacement every few weeks.\u003c\/li\u003e                                                     \n  \u003c\/ul\u003e           \n  \u003cp\u003eIf you're not sure whether tannin is the right answer for your discolouration, we're always happy to talk it through – contact us with a sample\n   or a description of what you're seeing and we'll point you in the right direction.\u003c\/p\u003e                                                           \n                                                                                                                                                    \n  \u003ch3\u003eCompatibility\u003c\/h3\u003e                                                                                                                            \n  \u003cul\u003e            \n    \u003cli\u003eStandard 1\" female BSP inlet and outlet ports – a straight fit on UK whole-house plumbing.\u003c\/li\u003e\n    \u003cli\u003eAccepts any standard 10\" x 4.5\" (\"Big Blue\") cartridge, so the housing can be repurposed for sediment, carbon or specialist filtration if   \n  your needs change.\u003c\/li\u003e                                                                                                                           \n    \u003cli\u003eSuitable for cold mains feeds in domestic and light commercial settings.\u003c\/li\u003e                                                               \n  \u003c\/ul\u003e                                                                                                                                             \n                  \n  \u003ch3\u003eTechnical specifications\u003c\/h3\u003e                                                                                                                 \n  \u003ctable\u003e         \n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSystem type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTwo-stage 10\" Double Big Blue whole house filter\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCartridge size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\" x 4.5\" (universal Big Blue format)\u003c\/td\u003e\n\u003c\/tr\u003e                                              \n      \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStage 1\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 Micron Sediment cartridge\u003c\/td\u003e\n\u003c\/tr\u003e                                                                \n      \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStage 2\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTannin-selective anion-exchange cartridge\u003c\/td\u003e\n\u003c\/tr\u003e                                                  \n      \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInlet \/ outlet\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\" female BSP thread\u003c\/td\u003e\n\u003c\/tr\u003e                                                                \n      \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.4–6 bar (≈20–88 psi)\u003c\/td\u003e\n\u003c\/tr\u003e                                                          \n      \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWater temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4–38°C (cold mains feeds only – tannin resin should not be used on hot supplies)\u003c\/td\u003e\n\u003c\/tr\u003e \n      \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSediment cartridge life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTypically 6 months, depending on sediment load\u003c\/td\u003e\n\u003c\/tr\u003e                             \n      \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTannin cartridge life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHighly variable – dependent on tannin concentration in feed water\u003c\/td\u003e\n\u003c\/tr\u003e            \n      \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHousing material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFood-grade polypropylene\u003c\/td\u003e\n\u003c\/tr\u003e                                                          \n    \u003c\/tbody\u003e                                                                                                                                        \n  \u003c\/table\u003e                                                                                                                                          \n                                                                                                                                                    \n  \u003cp\u003eIf your incoming mains pressure exceeds 6 bar (≈88 psi), fit a pressure regulator upstream. UK mains pressure is typically well within range,  \n  but it's worth checking before installation.\u003c\/p\u003e\n                                                                                                                                                    \n  \u003ch3\u003eInstallation notes\u003c\/h3\u003e\n  \u003cp\u003eThe system is designed for wall mounting at the point of entry, downstream of your stopcock. We'd recommend installing isolation valves on the\n  inlet and outlet so cartridge changes are quick and tidy.\u003c\/p\u003e                                                                                     \n   \n  \u003cp\u003eReplacement intervals depend entirely on local water quality. As a guide: sediment every 6 months; the tannin cartridge anywhere from 1 to 12  \n  months based on the tannin load in your supply. Many customers find it useful to keep a spare tannin cartridge on hand once they've established a\n  baseline.\u003c\/p\u003e                                                                                                                                     \n                  \n  \u003ch3\u003eWhat's included\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e10\" Double Big Blue twin filter housing with mounting bracket\u003c\/li\u003e\n    \u003cli\u003e5 Micron Sediment cartridge (Stage 1)\u003c\/li\u003e                                                                                                  \n    \u003cli\u003eTannin reduction cartridge (Stage 2)\u003c\/li\u003e                                                                                                   \n    \u003cli\u003eFilter bowl wrench\u003c\/li\u003e                                                                                                                     \n    \u003cli\u003eWall mounting screws\u003c\/li\u003e                                                                                                                   \n    \u003cli\u003eSpare housing O-rings\u003c\/li\u003e                                                                                                                  \n    \u003cli\u003ePTFE (Teflon) tape\u003c\/li\u003e\n    \u003cli\u003eInstruction guidance\u003c\/li\u003e                                                                                                                   \n  \u003c\/ul\u003e                                              ","brand":"Filter Flair","offers":[{"title":"Default Title","offer_id":57766736494966,"sku":"FF-DBB10-SED-TAN","price":1060.23,"currency_code":"AED","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0359\/1356\/4293\/files\/10-double-big-blue-whole-house-water-filter-system-5-micron-sediment-tannin-reduction-cartridge-ff-dbb10-sed-tan-2325419.png?v=1777401553","url":"https:\/\/filterflair.ae\/products\/double-jumbo-10-filtration-system-with-sediment-and-tannin-filter","provider":"Filter Flair","version":"1.0","type":"link"}