{"title":"Macro Elements","description":"","products":[{"product_id":"reef-zlements-boron-1000ml","title":"Reef Zlements Boron 1000ml","description":"\u003cp data-start=\"211\" data-end=\"267\"\u003eSupports coral pH balance and healthy calcification.\u003c\/p\u003e\n\u003cp data-start=\"269\" data-end=\"508\"\u003eBoron is a vital macro element in seawater, helping regulate pH and contributing to alkalinity through its balance between boric acid and borate ions. It plays a key role in coral calcification and internal pH regulation.\u003c\/p\u003e\n\u003cp data-start=\"510\" data-end=\"681\"\u003eDosing:\u003cbr data-start=\"521\" data-end=\"524\"\u003eAdd 20 ml per 100 L of aquarium water to raise boron by 1 mg\/L.\u003cbr data-start=\"599\" data-end=\"602\"\u003eClassified as a Type C element under the Reef Zlements Mixing System.\u003c\/p\u003e\n\u003cp data-start=\"683\" data-end=\"756\"\u003eFor detailed scientific background, see our H2P Methodology Manual.\u003c\/p\u003e","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":51890716868949,"sku":null,"price":18.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/2278\/0501\/files\/boron_84c2acb2-0fda-45c2-8161-ce028dcb7c63.avif?v=1762880079"},{"product_id":"reef-zlements-bromine-1000ml","title":"Reef Zlements Bromine 1000ml","description":"\u003cp data-start=\"151\" data-end=\"220\"\u003eBromine Zlements – Essential for Coral Biochemistry and Defense\u003c\/p\u003e\n\u003cp data-start=\"222\" data-end=\"585\"\u003eBromine is an important trace element in seawater, primarily present as bromide ions (Br⁻). It plays a key role in coral and marine organism health, contributing to the formation of halogenated organic compounds involved in metabolic and defense processes. By supporting these biochemical pathways, Bromine helps maintain a balanced and thriving reef ecosystem.\u003c\/p\u003e\n\u003cp data-start=\"587\" data-end=\"821\"\u003eBromine Zlements provides a precise, stable source of bromine designed for use within the Reef Zlements Method. Classified as a Type C element, it ensures consistent supplementation for optimal coral function and coloration.\u003c\/p\u003e\n\u003cp data-start=\"823\" data-end=\"950\"\u003eDosage: 10 mL of Bromine Zlements increases the bromine concentration of 100 L of aquarium water by approximately 5 mg\/L.\u003c\/p\u003e","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":51892622885205,"sku":null,"price":18.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/2278\/0501\/files\/bromine.avif?v=1762903235"},{"product_id":"reef-zlements-calcium-1000ml","title":"Reef Zlements Calcium 1000ml","description":"\u003cp data-start=\"178\" data-end=\"248\"\u003eCalcium Zlements – Essential for Coral Growth and Reef Structure\u003c\/p\u003e\n\u003cp data-start=\"250\" data-end=\"672\"\u003eCalcium is one of the most important elements in seawater, playing a vital role in coral health, skeletal formation, and overall reef stability. It is essential for the process of calcification, where corals and other marine organisms such as molluscs and plankton build their calcium carbonate structures. Stable calcium levels are key to promoting strong coral growth, vibrant coloration, and healthy reef development.\u003c\/p\u003e\n\u003cp data-start=\"674\" data-end=\"924\"\u003eCalcium Zlements provides a precise and reliable source of calcium, formulated to integrate seamlessly with the Reef Zlements Method. Classified as a Type C element, it supports consistent calcium replenishment and optimal seawater balance.\u003c\/p\u003e\n\u003cp data-start=\"926\" data-end=\"1054\"\u003eDosage: 10 mL of Calcium Zlements increases the calcium concentration of 100 L of aquarium water by approximately 20 mg\/L.\u003c\/p\u003e","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":51892634943829,"sku":null,"price":19.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/2278\/0501\/files\/calcium.avif?v=1762903418"},{"product_id":"reef-zlements-magnesium-1000ml","title":"Reef Zlements Magnesium 1000ml","description":"\u003cp data-start=\"186\" data-end=\"257\"\u003eMagnesium Zlements – Supporting Coral Health and Seawater Balance\u003c\/p\u003e\n\u003cp data-start=\"259\" data-end=\"585\"\u003eMagnesium is the third most abundant ion in seawater and plays a crucial role in both biological and chemical processes within reef aquariums. It supports coral growth, influences carbonate chemistry, and helps maintain overall seawater stability—making it essential for healthy calcification and balanced reef environments.\u003c\/p\u003e\n\u003cp data-start=\"587\" data-end=\"856\"\u003eMagnesium Zlements provides a precise, stable source of magnesium formulated to work seamlessly within the Reef Zlements Method. Classified as a Type C element, it ensures consistent magnesium replenishment to support optimal coral health and water chemistry.\u003c\/p\u003e\n\u003cp data-start=\"858\" data-end=\"990\"\u003eDosage: 10 mL of Magnesium Zlements increases the magnesium concentration of 100 L of aquarium water by approximately 10 mg\/L.\u003c\/p\u003e","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":51892648542549,"sku":null,"price":19.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/2278\/0501\/files\/magnesium.avif?v=1762903608"},{"product_id":"reef-zlements-potassium-1000ml","title":"Reef Zlements Potassium 1000ml","description":"\u003cp data-start=\"138\" data-end=\"208\"\u003ePotassium Zlements – Essential for Coral Health and Reef Balance\u003c\/p\u003e\n\u003cp data-start=\"210\" data-end=\"470\"\u003ePotassium is a vital element in seawater that supports coral growth and overall reef ecosystem stability. It plays key roles in physiological processes of marine organisms and contributes to maintaining proper seawater chemistry for healthy, thriving corals.\u003c\/p\u003e\n\u003cp data-start=\"472\" data-end=\"735\"\u003ePotassium Zlements provides a controlled, reliable source of potassium, formulated to work seamlessly within the Reef Zlements Method. Classified as a Type C element, it helps maintain optimal potassium levels and supports the stability of reef systems.\u003c\/p\u003e\n\u003cp data-start=\"737\" data-end=\"960\"\u003eDosage: 10 mL of Potassium Zlements increases the potassium concentration of 100 L of aquarium water by approximately 10 mg\/L. Maintain levels around 425 mg\/L and avoid exceeding 500 mg\/L to prevent undesired effects.\u003c\/p\u003e","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":51892652704085,"sku":null,"price":18.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/2278\/0501\/files\/potassium.avif?v=1762903748"},{"product_id":"reef-zlements-strontium-1000ml","title":"Reef Zlements Strontium 1000ml","description":"\u003cp data-start=\"125\" data-end=\"200\"\u003eStrontium Zlements – Supporting Coral Growth and Skeletal Development\u003c\/p\u003e\n\u003cp data-start=\"202\" data-end=\"449\"\u003eStrontium is an important element in seawater that contributes to coral physiology, skeletal formation, and overall reef health. Its presence supports strong coral growth and helps maintain balanced reef chemistry for thriving marine ecosystems.\u003c\/p\u003e\n\u003cp data-start=\"451\" data-end=\"722\"\u003eStrontium Zlements provides a controlled and reliable source of strontium, formulated for use within the Reef Zlements Method. Classified as a Type C element, it ensures consistent supplementation to support healthy coral skeletons and optimal reef development.\u003c\/p\u003e\n\u003cp data-start=\"724\" data-end=\"919\"\u003eDosage: 10 mL of Strontium Zlements increases the strontium concentration of 100 L of aquarium water by approximately 1 mg\/L. Maintain levels around 10 mg\/L to promote healthy growth rates.\u003c\/p\u003e","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":51892657684821,"sku":null,"price":18.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/2278\/0501\/files\/strontium.avif?v=1762904113"},{"product_id":"reef-zlements-kh-buffer-1000ml","title":"Reef Zlements KH Buffer 1000ml","description":"\u003cp data-start=\"133\" data-end=\"196\"\u003eReef Zlements KH Buffer – Essential for Stable Alkalinity\u003c\/p\u003e\n\u003cp data-start=\"198\" data-end=\"445\"\u003eAlkalinity is a critical parameter in reef aquariums, influencing pH stability, coral growth, and overall water chemistry. Maintaining proper alkalinity ensures corals can build strong skeletons and supports a balanced, healthy reef environment.\u003c\/p\u003e\n\u003cp data-start=\"447\" data-end=\"740\"\u003eReef Zlements KH Buffer provides a precise and reliable means to increase and maintain alkalinity within optimal ranges. Dosage: 10 mL per 100 L raises alkalinity by approximately 1 dKH. For best results, maintain alkalinity between 6.8 and 7 dKH to mimic stable natural reef conditions.\u003c\/p\u003e","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":51892661977429,"sku":null,"price":18.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/2278\/0501\/files\/khbuffer.avif?v=1762904214"},{"product_id":"reef-zlements-sulphur-2500ml","title":"Reef Zlements Sulphur 2500ml","description":"\u003cp data-start=\"136\" data-end=\"206\"\u003eSulphur Zlements – Supporting Photosynthesis and Reef Metabolism\u003c\/p\u003e\n\u003cp data-start=\"208\" data-end=\"475\"\u003eSulphur is an important element in seawater, influencing both biological and chemical processes within marine ecosystems. It plays a key role in photosynthesis and metabolic activity in phytoplankton and corals, contributing to overall reef productivity and health.\u003c\/p\u003e\n\u003cp data-start=\"477\" data-end=\"711\"\u003eSulphur Zlements provides a controlled and reliable source of sulphur, designed to integrate smoothly within the Reef Zlements Method. Maintaining sulphur levels around 900 mg\/L supports a balanced and thriving reef environment.\u003c\/p\u003e\n\u003cp data-start=\"713\" data-end=\"842\"\u003eDosage: 10 mL of Sulphur Zlements increases the sulphur concentration of 100 L of aquarium water by approximately 3.5 mg\/L.\u003c\/p\u003e","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":51928882053461,"sku":"Z-SUL-2500","price":19.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/2278\/0501\/files\/sulphur.avif?v=1763338186"},{"product_id":"reef-zlements-kh-buffer-2500ml","title":"Reef Zlements KH Buffer 2500ml","description":"\u003cp data-start=\"137\" data-end=\"205\"\u003eReef Zlements KH Buffer – Stable Alkalinity for a Healthier Reef\u003c\/p\u003e\n\u003cp data-start=\"207\" data-end=\"488\"\u003eAlkalinity is essential for maintaining pH stability and supporting coral calcification in reef aquariums. Natural reefs typically sit between 6.4–7 dKH, and keeping your aquarium in this range promotes healthier growth, improved biological balance, and long-term system stability.\u003c\/p\u003e\n\u003cp data-start=\"490\" data-end=\"705\"\u003eReef Zlements KH Buffer provides a precise and reliable way to maintain optimal alkalinity. Each 10 ml dose increases the alkalinity of 100 litres of water by 1 dKH, allowing for accurate and controlled adjustments.\u003c\/p\u003e\n\u003cp data-start=\"707\" data-end=\"768\"\u003eRecommended Range: 6.8–7.0 dKH for ideal reef conditions.\u003c\/p\u003e","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":51936935739733,"sku":null,"price":31.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/2278\/0501\/files\/khbuffer2500ml.webp?v=1763424965"},{"product_id":"nyos-ion-b-ca-mg-2000ml","title":"Nyos Ion-b CA\/MG+ 2000ml","description":"\u003cp data-start=\"126\" data-end=\"508\"\u003eThe Nyos® ION-B Method is a modern, adaptive dosing system designed to meet the complete mineral and trace element needs of contemporary reef aquariums. With only two solutions, the system restores consumed calcium, magnesium, and alkalinity, prevents ionic imbalance, stabilises pH between 8.0–8.3, and supplies every essential trace element according to your tank’s actual demand.\u003c\/p\u003e\n\u003cp data-start=\"510\" data-end=\"907\"\u003eION-B CA\/MG+ is a concentrated, ready-to-use liquid formulated to raise calcium and magnesium while maintaining overall ionic stability. It includes additional magnesium, strontium, potassium, and boron to ensure balanced replenishment. Each 1,000 ml of solution contains approximately 72,000 mg of calcium, with larger canisters available at 2,000 ml (144,000 mg Ca) and 5,000 ml (360,000 mg Ca).\u003c\/p\u003e\n\u003cp data-start=\"909\" data-end=\"1049\"\u003eDosage is based on your system’s daily alkalinity consumption, with a typical guideline of 5–10 ml per 100 litres of aquarium water per day.\u003c\/p\u003e","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":51936978993493,"sku":"WC-7066","price":19.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/2278\/0501\/files\/ionb.jpg?v=1763427341"},{"product_id":"nyos-calcium-1000g-1","title":"Nyos Calcium+ 1000g","description":"\u003cp data-start=\"0\" data-end=\"64\"\u003eCALCIUM+ – High-Purity Calcium Chloride for Reef Aquariums\u003c\/p\u003e\n\u003cp data-start=\"66\" data-end=\"295\"\u003eCALCIUM+ is a high-purity calcium chloride designed to quickly and effectively raise calcium levels in saltwater aquariums. Ideal for reef tanks and Balling-style dosing, it supports stable calcium for corals and invertebrates.\u003c\/p\u003e\n\u003cp data-start=\"297\" data-end=\"635\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eThe powder can be pre-mixed or dosed directly. For a pre-mixed solution, 1000 g of CALCIUM+ dissolved in 2000 ml of RODI water yields 135,000 mg\/L calcium. Using this solution, 7.4 ml per 1000 L aquarium increases calcium by approximately 10 mg\/L. When dosing the powder directly, 37 g per 1000 L water achieves the same 10 mg\/L increase.\u003c\/p\u003e","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":51936994361685,"sku":null,"price":14.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/2278\/0501\/files\/calcium1000g.webp?v=1763429520"},{"product_id":"tropic-marin-re-mineral-marine-250g","title":"Tropic Marin Re-Mineral Marine 250g","description":"\u003cp data-start=\"148\" data-end=\"684\"\u003eA complete mineral reconditioning powder that restores all the essential minerals and trace elements lost when using reverse-osmosis (RO) or very soft tap water. It replenishes calcium, magnesium, potassium, sodium, bicarbonate and carbonate salts — along with trace elements — to recreate natural seawater conditions. Simultaneously it increases and stabilises carbonate hardness (KH), making it ideal for preparing water for marine and reef aquariums.\u003c\/p\u003e\n\u003cp data-start=\"686\" data-end=\"1025\"\u003eIt’s particularly useful when topping off evaporated water or preparing new water for water changes — ensuring the added water doesn’t dilute or destabilise your tank’s mineral balance. The formulation contains no phosphates, nitrates, or sodium chloride, so it won’t fuel algae or disrupt salinity.\u003c\/p\u003e","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":52013260570965,"sku":"5071","price":17.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/2278\/0501\/files\/remineral250g.webp?v=1764685619"},{"product_id":"tropic-marin-bio-magnesium-450g","title":"Tropic Marin Bio-Magnesium 450g","description":"\u003cp data-start=\"173\" data-end=\"792\"\u003eTropic Marin BIO‑MAGNESIUM delivers magnesium in a biologically‑available, ionically balanced form — essential for reef aquariums. Magnesium levels in coral tanks can drop quickly through biological uptake, precipitation, and calcification by corals and algae. This supplement restores magnesium to natural seawater levels (about 1280–1300 ppm), supporting healthy skeletal growth of corals and calcareous algae, and maintaining the correct mineral balance alongside calcium. The formula also includes small amounts of other minerals, avoids phosphates and nitrates, and doesn’t disturb water pH when dosed correctly.\u003c\/p\u003e\n\u003cp data-start=\"794\" data-end=\"1096\"\u003eDosage is simple: one level measuring spoon per 110 L typically raises magnesium by about 10 ppm; up to two spoons per 110 L per day is the maximum recommended dose, spreading evenly into circulating water and ensuring crystals dissolve fully before adding more.\u003c\/p\u003e","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":52013279183189,"sku":"5098","price":19.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/2278\/0501\/files\/biomagnesium450g.webp?v=1764685984"},{"product_id":"tropic-marin-bio-calcium-500g","title":"Tropic Marin Bio-Calcium 500g","description":"\u003cp\u003eTropic Marin Bio‑Calcium is a premium calcium supplement in crystalline form designed for reef aquariums. It supplies biologically ideal calcium and carbonate ions needed for corals, shellfish, and coralline algae to build strong skeletons and grow properly. Unlike many calcium additives, Bio‑Calcium dissolves directly in your tank water — no premixing or drip setups required — and maintains ionic balance without causing pH swings. When dosed correctly, it raises both calcium and alkalinity to help reach natural seawater levels, supporting healthy coral growth without introducing phosphates or other unwanted chemicals.\u003c\/p\u003e","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":52013283148117,"sku":"5055","price":14.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/2278\/0501\/files\/biocalcium.webp?v=1764686068"},{"product_id":"tropic-marin-potassium-500ml","title":"Tropic Marin Potassium 500ml","description":"\u003cp\u003eTropic Marin Potassium is a concentrated potassium supplement for reef aquariums. Potassium is a vital macronutrient naturally present in seawater (≈ 408 mg\/L). Over time — especially if you use zeolites, reactors, or other adsorption media — potassium levels can drop, which may lead to dull coral colours or retracted polyps. This supplement restores potassium to natural seawater levels and helps enhance coral vitality and coloration. About 15 ml per 150 L (≈ 40 US gal) raises potassium by roughly 10 ppm; daily dosing should not exceed 30 ml per 150 L.\u003c\/p\u003e","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":52013285867861,"sku":"5110","price":16.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/2278\/0501\/files\/potassium.webp?v=1764686138"},{"product_id":"tropic-marin-original-balling-refill-set","title":"Tropic Marin Original Balling Refill Set","description":"\u003cp data-start=\"195\" data-end=\"833\"\u003eThe Tropic Marin Original Balling Refill Set provides all three salt‑mixture powders (Parts A, B, and C) needed for the classic “Balling method” of calcium and alkalinity dosing in reef aquariums. Each powder dissolves in 5 L of RO\/DI water (no weighing required), producing stable liquid solutions that can be added directly or dosed automatically. Part A supplies calcium (as calcium chloride‑dihydrate), Part B adds alkalinity (as sodium carbonate\/bicarbonate), and Part C — a sodium‑chloride‑free sea salt blend — restores magnesium, potassium and other essential ions to preserve ionic balance.\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=\"835\" data-end=\"1097\"\u003eUsing the three‑part dosing maintains stable water chemistry — avoiding pH swings and imbalances often associated with simpler two‑part dosing— and supports optimal growth of corals, coralline algae and other reef dwellers.\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=\"1099\" data-end=\"1440\"\u003eDaily dosing is simple: dissolve each mixture, then add equal volumes of solutions A, B, and C to the aquarium (don’t mix them together before dosing). A common dose, for example, is 50 mL of each solution per 100 L of aquarium water — raising calcium by about 10 mg\/L and alkalinity by around 1.4 °dH.\u003c\/p\u003e","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":52013290619221,"sku":"6339","price":29.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/2278\/0501\/files\/originalballingrefillset.webp?v=1764686228"},{"product_id":"tropic-marin-all-for-reef-800g","title":"Tropic Marin All-For-Reef 800g","description":"\u003cp data-start=\"187\" data-end=\"689\"\u003eTropic Marin All‑For‑Reef is a comprehensive mineral and trace‑element supplement designed to supply all essential building blocks for reef aquariums in a single, easy‑to‑use solution. When dissolved in reverse-osmosis water, it delivers calcium, magnesium, strontium, alkalinity (carbonate hardness), and a full spectrum of trace elements — including iodine, bromine, fluorine, selenium, and various metals required for enzyme function and healthy coral growth.\u003c\/p\u003e\n\u003cp data-start=\"691\" data-end=\"1017\"\u003eThis all-in-one mix simplifies dosing: instead of juggling multiple additives, you get a balanced, stable mineral profile with just one solution. It’s especially useful for new or moderately stocked reef systems, and it’s safe for soft corals, LPS, SPS, filter feeders, and crustaceans.\u003c\/p\u003e\n\u003cp data-start=\"1019\" data-end=\"1376\"\u003e\u003cstrong data-start=\"1019\" data-end=\"1034\"\u003eHow to Use:\u003c\/strong\u003e Dissolve about 160 g (≈ 6 level scoops) of the powder in ~1 L of RO\/DI water to create a concentrated dosing solution. From there, a typical starting dose is about 5 ml per 100 L of aquarium volume per day — increase gradually while monitoring water parameters until stable desired levels are reached.\u003c\/p\u003e","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":52013301662037,"sku":"6359","price":34.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/2278\/0501\/files\/allforreef800g.webp?v=1764686566"},{"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":"tropic-marin-all-for-reef-1600g","title":"Tropic Marin All-For-Reef 1600g","description":"\u003cp\u003e\u003cstrong\u003eTropic Marin® All-For-Reef – 1600 g\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTropic Marin All-For-Reef is a comprehensive reef salt blend formulated to closely replicate natural seawater and provide all essential elements needed for healthy coral and invertebrate growth. This premium formula supports stable water chemistry, excellent buffering capacity, and balanced trace elements to promote vibrant coloration, strong skeletal development, and overall reef vitality.\u003c\/p\u003e\n\u003cp\u003eDesigned for regular water changes or new system setups, All-For-Reef dissolves rapidly and consistently to deliver predictable, aquarium-ready water conditions. It’s ideal for demanding reef systems where stability and natural seawater composition are key to long-term success.\u003c\/p\u003e","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":52628047626581,"sku":"6360","price":49.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/2278\/0501\/files\/allforreef1600g.webp?v=1771949284"},{"product_id":"reef-zlements-kh-buffer-500ml","title":"Reef Zlements KH Buffer 500ml","description":"\u003cp\u003e\u003cstrong\u003eReef Zlements KH Buffer 500 ml\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eReef Zlements KH Buffer 500 ml is formulated to help stabilise and maintain carbonate hardness (KH) in marine and reef aquariums. A proper KH level is essential for pH stability and healthy coral calcification, and this buffer provides a controlled way to adjust and support that balance without sudden swings. Ideal for reef keepers who want consistent alkalinity management, it integrates easily into regular dosing routines and supports overall water chemistry stability for a thriving reef environment.\u003c\/p\u003e","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":52867221487957,"sku":null,"price":12.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/2278\/0501\/files\/khbuffer500ml.webp?v=1772558183"}],"url":"https:\/\/marinefishshop.uk\/collections\/macro-elements-zlements.oembed","provider":"Marine Fish Shop Online","version":"1.0","type":"link"}