{"title":"Red Sea","description":"","products":[{"product_id":"red-sea-coral-pro-salt-22kg","title":"Red Sea Coral Pro Salt 22kg","description":"\u003cp data-start=\"192\" data-end=\"524\"\u003eRed Sea Coral Pro Salt is a premium-grade marine salt mix engineered for reef aquariums, offering elevated and balanced levels of the “foundation elements” — calcium, magnesium and bicarbonates — that corals need for healthy skeleton growth, strong skeletal structure, and vibrant coloration.\u003c\/p\u003e\n\u003cp data-start=\"526\" data-end=\"846\"\u003eWhen mixed with RO\/DI water, Coral Pro delivers a stable, reef-optimized seawater formula: alkalinity around 12 °dKH, calcium typically ~435–465 mg\/L, and magnesium ~1310–1390 mg\/L (depending on final salinity) — parameters ideal for mixed reefs, SPS\/LPS corals, and frag systems. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"848\" data-end=\"1121\"\u003eThis salt mix is free from nitrates and phosphates, contains no chemical binders, and has low moisture content, making mixing quick and clean (dissolves in as little as ~20 min), with minimal need for adjustment before water changes. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1123\" data-end=\"1439\"\u003eBecause Red Sea Coral Pro includes a full complement of trace and minor elements — along with the foundation elements — it helps maintain overall ionic balance, supports healthy coral metabolism, and reduces the need for frequent macro-element dosing after every water change.\u003c\/p\u003e","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":52014746501461,"sku":null,"price":74.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/2278\/0501\/files\/coralprosalt22kg.webp?v=1764703146"},{"product_id":"red-sea-salt-22kg-1","title":"Red Sea Salt 22kg","description":"\u003cp data-start=\"172\" data-end=\"594\"\u003eRed Sea Salt is a premium-quality marine salt mix designed to recreate natural reef-water chemistry when mixed with reverse osmosis (RO\/DI) water. Its formulation delivers balanced, reef-appropriate levels of foundational elements — calcium, magnesium, and bicarbonates — along with a full complement of trace elements, without phosphates, nitrates, heavy metals, or chemical binders.\u003c\/p\u003e\n\u003cp data-start=\"596\" data-end=\"940\"\u003eWhen mixed properly, this salt produces stable seawater suitable for marine fish, invertebrates, and soft-coral or low-nutrient SPS reef aquariums. It ensures a stable pH (typically around 8.2–8.5), good alkalinity, and balanced ion composition — helping coral and marine life thrive after water changes.\u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"942\" data-end=\"1108\"\u003eThe 22 kg bucket yields a large volume of saltwater, making it ideal for regular water changes or preparing large volumes of mixed seawater for reef or marine setups.\u003c\/p\u003e","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":52014747353429,"sku":null,"price":74.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/2278\/0501\/files\/redseasalt22kg.webp?v=1764703347"},{"product_id":"red-sea-225-micron-felt-filter-bag","title":"Red Sea 225 Micron Felt Filter Bag","description":"\u003cp\u003eThe Red Sea 225 Micron Felt Filter Bag is a reusable mechanical filter sock designed to trap detritus, uneaten food, and particulate waste before it circulates further in your sump or filtration system. Its felt-wall construction effectively captures particles down to 225 microns while still allowing water flow — making it ideal for day-to-day maintenance, new setups, or after heavy maintenance when particulate load is high. At 26 cm long, it fits standard 4\" (10 cm) filter-sock holders (including Red Sea REEFER and MAX-S sumps). Because it holds debris within the felt wall (not just on the surface), it helps prolong interval between cleaning cycles, improves water clarity, and reduces load on downstream filtration like protein skimmers and chemical media.\u003c\/p\u003e","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":52014767145301,"sku":null,"price":9.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/2278\/0501\/files\/225micronfeltfilterbag.webp?v=1764703587"},{"product_id":"red-sea-225-micron-thin-mesh-filter-bag","title":"Red Sea 225 Micron Thin Mesh Filter Bag","description":"\u003cp\u003eThe Red Sea 225 Micron Thin-Mesh Filter Bag is a reusable mechanical filter sock designed for sumps and external filtration systems. Its monofilament mesh traps larger detritus — like uneaten food, fine debris, and suspended waste — while still allowing water to pass through easily, helping to maintain water clarity and reduce the load on downstream filtration. Measuring about 10 cm in diameter and 26 cm long, it fits standard 4″\/10 cm filter-sock holders (including Red Sea REEFER and MAX-S systems) — making installation simple and universal. Because the thin-mesh bag is easy to rinse and reuse, it’s especially useful after heavy maintenance, during new system cycling, or whenever particulate levels are elevated.\u003c\/p\u003e","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":52014769340757,"sku":"FD102","price":9.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/2278\/0501\/files\/225micronthinmeshfilterbag.webp?v=1764703700"},{"product_id":"red-sea-100-micron-felt-fine-polish-filter-bag","title":"Red Sea 100 Micron Felt Fine Polish Filter Bag","description":"\u003cp\u003eThe Red Sea 100 Micron Felt Fine Polish Filter Bag is a high-quality, reusable mechanical filter sock designed to provide ultra-fine filtration in sumps and filter systems. Its dense felt walls trap very small particles, detritus, and suspended waste — polishing already-clear water to a crystal-clear finish. At 26 cm long with a standard 4″\/10 cm ring, it fits both dedicated Red Sea filter sock holders (e.g. REEFER, MAX-S) and any standard 4″ shaft holder. Ideal for mature aquariums with low particulate load or for use as a final polishing stage after coarser filtration, this 100-micron felt bag helps maintain water clarity, reduce organic waste load on downstream filtration (like skimmers or chemical media), and supports a cleaner, healthier aquarium environment.\u003c\/p\u003e","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":52014771142997,"sku":null,"price":9.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/2278\/0501\/files\/100micronfeltfinebag.webp?v=1764703830"},{"product_id":"red-sea-nano-mat-fleece-roll-x2","title":"Red Sea Nano Mat Fleece Roll x2","description":"\u003cp\u003eThe Red Sea NanoMat Fleece Roll x2 pack provides two replacement rolls of non-woven polyester fleece designed for use with a fleece-roller filter (such as the Red Sea NanoMat). Each roll delivers fine mechanical filtration by trapping detritus, uneaten food, suspended waste and fine particles before they begin to break down and degrade water quality. When fitted correctly, the fleece roll helps keep aquarium water crystal-clear and reduces nutrient buildup, while the dual-pack gives you two complete replacement rolls so you’re ready for multiple maintenance cycles.\u003c\/p\u003e","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":52015041347925,"sku":null,"price":18.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/2278\/0501\/files\/nanomatfleeceroll.webp?v=1764707343"},{"product_id":"red-sea-reefmat-500-fleece-roll","title":"Red Sea Reefmat 500 Fleece Roll","description":"\u003cp\u003eThe Red Sea ReefMat 500 Fleece Roll is a premium, high-flow non-woven polyester filter mat designed for use with the ReefMat roller filter system. Each 28 m roll (50 g\/m²) efficiently traps detritus, uneaten food, fine particles and suspended waste — helping maintain crystal-clear water and reducing the burden on downstream filtration such as skimmers or chemical media. When installed in a sump’s ReefMat roller unit, the roll advances automatically as it becomes clogged, offering weeks of effective mechanical filtration before replacement. Perfect for reef or marine systems seeking reliable, low-maintenance water clarity and waste control.\u003c\/p\u003e","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":52015043674453,"sku":null,"price":14.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/2278\/0501\/files\/reefmat500roll.webp?v=1764707490"},{"product_id":"red-sea-foundation-supplements-complete-pack","title":"Red Sea Foundation Supplements Complete Pack","description":"\u003cp data-start=\"191\" data-end=\"616\"\u003eThe Red Sea Foundation Supplements Complete Pack delivers the three essential building-blocks your reef tank constantly depletes: calcium, carbonate\/alkalinity, and magnesium. When corals grow and build skeletons, these foundation elements are consumed — this pack replenishes them reliably to support healthy growth, stable pH, and strong skeleton formation in corals and invertebrates.\u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"618\" data-end=\"966\"\u003eEach component is formulated to maintain a balanced ionic composition, avoiding imbalances that can occur with ad-hoc dosing. When used in combination with regular testing (e.g. with a KH\/Ca\/Mg test kit), dosing can be tailored to actual uptake — helping you avoid wastage while keeping water chemistry stable.\u003c\/p\u003e\n\u003cp data-start=\"968\" data-end=\"1118\"\u003eTypical dosing effect: 1 ml per 100 L raises calcium by ~2 ppm, alkalinity by ~0.1 dKH, and magnesium by ~1 ppm. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1120\" data-end=\"1376\"\u003eThis pack is ideal for reef-keepers who want a straightforward, reliable way to maintain foundational seawater chemistry without juggling multiple supplements — especially beneficial for mixed reefs and SPS\/LPS setups.\u003c\/p\u003e","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":52015050064213,"sku":null,"price":33.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/2278\/0501\/files\/foundationsupplementscompletepack.webp?v=1764707631"},{"product_id":"red-sea-aiptasia-x-60ml","title":"Red Sea Aiptasia-X 60ml","description":"\u003cp\u003eRed Sea Aiptasia-X is a reef-safe, targeted treatment for eliminating unwanted “pest” anemones (Aiptasia) in marine and reef aquariums. The adhesive formula clumps on contact with water and can be injected directly at the Aiptasia’s oral disk using the included syringe and applicator tips. Once ingested, the anemone is eliminated — including any planulas — without harming corals, invertebrates or beneficial tank life. Any excess Aiptasia-X that is not consumed breaks down harmlessly over time.\u003c\/p\u003e","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":52015055634773,"sku":null,"price":19.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/2278\/0501\/files\/aiptasiax.webp?v=1764707935"},{"product_id":"red-sea-reefmat-250","title":"Red Sea Reefmat 250","description":"\u003cp\u003eThe ReefMat 250 is a compact, fully automated roller filter designed for marine and reef aquariums up to ~250 L. It uses a continuous polyethylene fleece roll that mechanically traps detritus, uneaten food and fine particles, delivering crystal‑clear water with minimal maintenance. A built‑in smart drive and dual water‑level sensors automatically advance the fleece as it clogs — so you don’t have to fuss with frequent filter sock changes. It also integrates seamlessly with the ReefBeat smart ecosystem, giving you usage logs, maintenance alerts, and remote monitoring. With a high flow capacity (up to 3,500 L\/h) and included media basket for added filtration, the ReefMat 250 keeps your sump neat and your water clean — ideal for reef or marine setups where water purity and maintenance ease are priorities.\u003c\/p\u003e","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":52016140484949,"sku":null,"price":299.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/2278\/0501\/files\/reefmat250.webp?v=1764713708"},{"product_id":"red-sea-no3-po4-x-500ml","title":"Red Sea NO3 PO4-X 500ml","description":"\u003cp data-start=\"176\" data-end=\"462\"\u003eRed Sea NO3:PO4-X is a reef‑safe, biological nutrient reducer designed to lower and stabilise nitrate (NO₃) and phosphate (PO₄) levels in marine and reef aquariums — reducing the excess nutrients that fuel algae growth and water‑quality problems.\u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"464\" data-end=\"803\"\u003eThe formula combines a blend of carbon sources and organically bonded elements that stimulate beneficial bacteria to consume nitrates and phosphates naturally, converting nitrates to nitrogen gas and binding phosphates — giving your tank clearer water, better coral growth, and fewer nuisance algae.\u003c\/p\u003e\n\u003cp data-start=\"805\" data-end=\"1033\"\u003eTo use, dose about \u003cstrong data-start=\"824\" data-end=\"861\"\u003e2 ml per 100 L (≈ 25 gal) per day\u003c\/strong\u003e, ideally into a sump or a high-flow area; adjust dosage according to regular water tests until desired nutrient levels are reached.\u003c\/p\u003e","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":52016666247509,"sku":null,"price":23.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/2278\/0501\/files\/no3po4500ml.webp?v=1764716014"},{"product_id":"red-sea-coral-nutrition-ab-500ml","title":"Red Sea reef energy AB+ 500ml","description":"\u003cp\u003eRed Sea Coral Nutrition AB+ is a complete liquid coral food formulated to deliver essential nutrients like amino acids, fatty acids, vitamins, and carbohydrates that corals absorb directly. It supports tissue growth, enhances polyp extension, and boosts coral colouration without producing excessive waste or causing water‑quality issues. Ideal for feeding hard, soft, and LPS corals, it helps maintain healthy metabolism and vibrant reefs with regular dosing as per tank volume.\u003c\/p\u003e","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":52044894601557,"sku":"MA306","price":29.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/2278\/0501\/files\/coralnutritionab_500ml.webp?v=1765227868"},{"product_id":"red-sea-no3-po4-x-100ml","title":"Red Sea NO3 PO4-X 100ml","description":"\u003cp\u003eRed Sea NO3:PO4-X is a reef-safe nutrient-remover that helps reduce and stabilise nitrate (NO₃) and phosphate (PO₄) levels in marine and reef aquariums. It uses a biologically based formula that supports beneficial bacteria to consume excess nutrients, helping prevent algae outbreaks and promoting clearer water. With regular dosing (typically added daily in small amounts to a sump or high-flow area), NO3:PO4-X improves water quality, supports coral health, and helps maintain a stable, balanced reef environment.\u003c\/p\u003e","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":52045267370325,"sku":null,"price":11.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/2278\/0501\/files\/no3po4100ml_597e6b2c-2703-4479-b156-ba0a335f09dc.webp?v=1765247192"},{"product_id":"red-red-sea-reefmat-250-fleece-roll","title":"Red Sea Reefmat 250 Fleece Roll","description":"","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":53118486217045,"sku":null,"price":11.99,"currency_code":"GBP","in_stock":true}]},{"product_id":"red-sea-reefwave-45-wavemaker","title":"Red Sea ReefWave 45 Wavemaker","description":"","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":53504117440853,"sku":null,"price":349.0,"currency_code":"GBP","in_stock":true}]},{"product_id":"red-sea-reefrun-g2-8000-return-pump","title":"Red Sea ReefRun G2 8000 Return Pump","description":"","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":53513266921813,"sku":null,"price":229.0,"currency_code":"GBP","in_stock":true}]}],"url":"https:\/\/marinefishshop.uk\/collections\/red-sea.oembed","provider":"Marine Fish Shop Online","version":"1.0","type":"link"}