{"product_id":"seachem-reef-advantage-magnesium-300-g-4-kg","title":"Seachem Reef Advantage Magnesium – 300 g - 4 kg","description":"\u003cdiv class=\"text-base my-auto mx-auto [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"24fe978c-14c4-47a9-9924-3fe95dbdda89\" dir=\"auto\" data-message-model-slug=\"gpt-5-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003ch3 data-start=\"0\" data-end=\"58\"\u003e\u003cstrong data-start=\"0\" data-end=\"56\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eSeachem Reef Advantage Magnesium\u003c\/span\u003e\u003c\/span\u003e – 300 g - 4 kg\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch3 data-section-id=\"hxsibk\" data-start=\"60\" data-end=\"77\"\u003eDescription\u003c\/h3\u003e\n\u003cp data-start=\"78\" data-end=\"462\"\u003eA high-purity, advantage magnesium supplement for reef aquariums, designed to maintain optimal magnesium levels and support coral and invertebrate health. Magnesium helps stabilize calcium and alkalinity levels, promotes healthy skeletal growth in SPS and LPS corals, and supports coralline algae development. Regular supplementation ensures a balanced and thriving reef environment.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1sboupi\" data-start=\"464\" data-end=\"482\"\u003eKey Features\u003c\/h3\u003e\n\u003cp data-start=\"483\" data-end=\"731\"\u003e• High-purity magnesium supplement for reef aquariums\u003cbr data-start=\"536\" data-end=\"539\"\u003e• Stabilizes calcium and alkalinity levels\u003cbr data-start=\"581\" data-end=\"584\"\u003e• Supports coral skeletal growth and invertebrate health\u003cbr data-start=\"640\" data-end=\"643\"\u003e• Promotes coralline algae development\u003cbr data-start=\"681\" data-end=\"684\"\u003e• Easy-to-dissolve powder for accurate dosing\u003c\/p\u003e\n\u003ch3 data-section-id=\"g681sy\" data-start=\"733\" data-end=\"747\"\u003eBenefits\u003c\/h3\u003e\n\u003cp data-start=\"748\" data-end=\"948\"\u003e✔ Maintains stable magnesium levels in reef systems\u003cbr data-start=\"799\" data-end=\"802\"\u003e✔ Supports strong coral growth and skeletal development\u003cbr data-start=\"857\" data-end=\"860\"\u003e✔ Helps stabilize calcium and alkalinity\u003cbr data-start=\"900\" data-end=\"903\"\u003e✔ Enhances overall reef vitality and health\u003c\/p\u003e\n\u003ch3 data-section-id=\"g4hz7\" data-start=\"950\" data-end=\"961\"\u003eUsage\u003c\/h3\u003e\n\u003col data-start=\"962\" data-end=\"1271\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"114oj38\" data-start=\"962\" data-end=\"1003\"\u003e\n\u003cp data-start=\"965\" data-end=\"1003\"\u003eTest magnesium levels before dosing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"y0eqri\" data-start=\"1004\" data-end=\"1081\"\u003e\n\u003cp data-start=\"1007\" data-end=\"1081\"\u003eDetermine the required amount based on aquarium volume and test results.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"y0zh29\" data-start=\"1082\" data-end=\"1204\"\u003e\n\u003cp data-start=\"1085\" data-end=\"1204\"\u003eDissolve the powder in freshwater or saltwater before adding to the aquarium, or dose directly into a high-flow area.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"bayoaq\" data-start=\"1205\" data-end=\"1271\" data-is-last-node=\"\"\u003e\n\u003cp data-start=\"1208\" data-end=\"1271\" data-is-last-node=\"\"\u003eMonitor magnesium levels regularly and adjust dosing as needed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Aquatic Pets SA","offers":[{"title":"300g","offer_id":43290277478443,"sku":"S-40-REE-AD-MAG-0300","price":212.0,"currency_code":"ZAR","in_stock":true},{"title":"600g","offer_id":43290277511211,"sku":"S-40-REE-AD-MAG-0600","price":340.0,"currency_code":"ZAR","in_stock":true},{"title":"1.2KG","offer_id":43290277543979,"sku":"S-40-REE-AD-MAG-1.2K","price":467.0,"currency_code":"ZAR","in_stock":true},{"title":"4KG","offer_id":43290277576747,"sku":"S-40-REE-AD-MAG-4KG","price":1516.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4676\/6123\/files\/seachemreefadvantagemagnesium.png?v=1773519815","url":"https:\/\/aquaticpetssa.com\/products\/seachem-reef-advantage-magnesium-300-g-4-kg","provider":"Aquatic Pets SA","version":"1.0","type":"link"}