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Compatible nitrate filter - 2,
£4.99
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Pozzani nitrate no10 reduction - pozzani,
£15.95
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Seachem purigen filter colour - seachem,
£13.95
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Cleartides hang refugium - cleartides,
£49.90
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Compatible nitrate filter - compatible,
£7.99
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Seachem matrix biological - seachem,
£13.99
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Compatible nitrate filter - 4, x
£8.49
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Cheatomorpha cheato chaeto - cheatomorpha,
£21.49
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Nitrate removal high - nitrate,
£16.95
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Juwel compact filter - juwel,
£12.45
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Compatible nitrate filter - 8,
£13.99
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Diy nitrate remover filter - diy,
£9.99
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Seachem purigen filter colour - purigen,
£29.99
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Compatible nitrate filter - compatible,
£15.99
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Compatible nitrate filter - x,
£16.99
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Marine aquarium fish tank - fish,
£14.99
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Seachem purigen filter - filter, media
£35.95
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Seachem denitrate biological - seachem,
£12.49
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Nitrate reduction filter - nitrate,
£33.95
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Compatible juwel nitrate - compatible,
£6.99
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Seachem nitrate filter - de*nitrate,
£6.75
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Compatible nitrate filter - x,
£5.49
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Juwel aquarium fish tank - juwel,
£9.99
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Seachem purigen filter - seachem,
£24.95
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Algae reactor a360 100 - reactor, a360/100
£159.95
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Evolution aqua pure filter - aqua,
£41.45
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Aquacadabra nitrate removal - nitrate,
£6.95
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Compatible nitrate filter - x,
£9.49
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Evolution aqua pure aquarium - evolution,
£9.95
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Water filter cartridge - 10",
£23.95
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Jbl nitratex filter - nitratex,
£13.65
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Nitrate removal high - high, quality
£41.95
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Superfish filter pad carbon - superfish,
£11.35
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Fluval clearmax filter - fluval, media
£10.49
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Seachem nitrate filter - de*nitrate,
£7.99
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Np200 bio pellet media - pellet/,
£39.95
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Easy life fluid - easy-life, filter
£57.99
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Seachem purigen aquarium - purigen,
£63.99
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Compatible nitrate filter - 4,
£9.99
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Nitrate removal high - 2l,
£28.95
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Foam pads filter - pads, tank
£9.99
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Aquadesign fluid filter 500ml - aquadesign,
£10.99
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Compatible nitrate filter - 2,
£5.99
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Mini reactor for - (180l).,
£19.95
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Api aqua detox - api, superclean
£16.99
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Midi n100 nitrate - midi,
£29.95
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Resin products filter media - resin,
£19.99
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Seachem denitrate ammonia - seachem,
£19.99
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Seachem purigen 100ml 250ml - seachem,
£34.20
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Nitrate media - nitrate,
£149.95
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Nitrate reduction filter - nitrate,
£19.95
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Algae reactor a50 for - reactor,
£59.95
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Seachem purigen aquarium - seachem,
£34.99
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Nitrate sulphur media n150 - nitrate,
£84.95
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Seachem purigen filter media - seachem,
£33.74
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Nitrate reactor 150 full - reactor, kit
£69.95
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Easy life fluid - filter, medium
£15.48
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Genuine juwel nitrax - juwel, foam
£53.51
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Aquadesign fluid filter - aquadesign,
£19.99
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Algae reactor a50 full - algae,
£89.95
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Refugium nano full kit - refugium,
£99.95
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Nitrate sulphur media n300 - nitrate,
£109.95
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Nitrate n200fw reactor - nitrate,
£64.95
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Seachem nitrate 100ml 250ml - de,
£69.99
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Nitrate media n100 - media,
£69.95
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Inline probe holder - inline,
£24.95
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Aquacadabra filter media - filter,
£17.95
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Juwel compact filter media pad - compact,
£12.99
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Seachem purigen 250ml - seachem, aquarium
£19.99
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Pro 150 reactor - reactor, (660l)
£49.95
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Dual reactor 150 - dual,
£42.95
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Nitrate reactor n200 - nitrate,
£119.95
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Maxspect nano tech anaerobic - tech, 2
£36.99
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Nitrate reactor media sulphur - reactor, media:
£24.95
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Marine source biopellets - marine,
£41.52
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Aquarium reduce algae aqua - aquarium,
£8.66
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Phosphate reactor 150 for - phosphate,
£39.95
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Seachem purigen - seachem,
£35.95
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Seachem purigen sizes filter - purigen,
£64.85
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Cloverleaf fish pond absolute - cloverleaf,
£19.75
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Aquadip liquid filter - liquid,
£10.65
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Nitrate reactor n200 - nitrate,
£24.95
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Juwel aquarium filter - juwel,
£12.75
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Mini n40 nitrate - n40, (sulphur)
£19.95
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Compatible juwel aquarium - compatible,
£6.49
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Juwel nitrax nitrate - nitrate, remover
£9.73
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Arcadia polyfilter pad - arcadia,
£57.45
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King british filter aid - king,
£6.95
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Seachem denitrate biological - seachem,
£11.49
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Nitrate reactor media - nitrate,
£49.95
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Seachem stability tank - stability,
£19.25
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Api stress zyme - zyme, bacteria
£18.49
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1kg biogravel marine - 1kg, lbs)
£19.99
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Refugium 360 full - refugium, kit
£124.95
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Fluval nitrite remover - remover, filter
£10.99
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Nitrate removal high - removal,
£41.95
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Looking for more nitrate filter?
Search eBay live — fresh results filtered for the best value, updated every hour.
Browse 96 nitrate filter listings currently in our index. Prices range from £4.99 to £159.95, with an average of £32.97. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about nitrate filter →
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Whether you are looking for a brand-new or second-hand nitrate filter, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £4.99, while premium listings can reach £159.95 — giving you a wide budget spread to work with. The average price of £32.97 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.