{"product_id":"fire-silk-macroalgae","title":"Fire Silk Macroalgae","description":"\u003ch2 style=\"margin: 0 0 12px 0; font-weight: 800; font-size: 28px; letter-spacing: -0.3px; color: #123844;\"\u003eFire Silk Macroalgae\u003c\/h2\u003e\n\u003cp style=\"margin: 0 0 12px 0; color: #22323a; line-height: 1.7;\"\u003eFire Silk (\u003cstrong\u003eGracilaria\u003c\/strong\u003e sp.) is a stunning free-floating red macroalgae prized for its extraordinarily soft, silky texture and rich crimson coloration. Its long, flowing filaments drift and billow gracefully with water movement, bringing an unmatched sense of life and natural elegance to any reef aquascape.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 18px 0; color: #22323a; line-height: 1.7;\"\u003eUnlike calcified or attached macroalgae, Fire Silk grows as a \u003cstrong\u003eloose, free-floating mass\u003c\/strong\u003e that does not anchor to rock or substrate. This makes placement critical — in display tanks it can be placed in \u003cstrong\u003elow-flow zones \u003c\/strong\u003ecreating a beautiful red canopy appearance\u003cstrong\u003e \u003c\/strong\u003eor\u003cstrong\u003e contained in refugium baskets\u003c\/strong\u003e where it can drift freely without being scattered across the tank by strong currents.\u003c\/p\u003e\n\u003chr style=\"border: 0; border-top: 1px solid #dde5e8; margin: 18px 0;\"\u003e\n\u003ch3 style=\"margin: 0 0 10px 0; font-weight: bold; font-size: 18px; color: #1a5a61;\"\u003eAvailable Sizes\u003c\/h3\u003e\n\u003cdiv style=\"background: linear-gradient(180deg,#f6fbf8 0%, #edf7f2 100%); border: 1px solid #d4e6e3; border-radius: 12px; padding: 13px 15px; margin-bottom: 10px;\"\u003e\n\u003cp style=\"margin: 0 0 6px 0; color: #1a5a61;\"\u003e\u003cstrong\u003eGolf Ball Size (\u003cspan\u003e1.5\") \u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin: 0; padding-left: 18px; color: #22323a; line-height: 1.7;\"\u003e\n\u003cli\u003eA soft, flowing starter clump of silky red filaments\u003c\/li\u003e\n\u003cli\u003eIdeal for smaller refugiums or low-flow display pockets\u003c\/li\u003e\n\u003cli\u003eGreat for trialing Fire Silk before scaling up\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: linear-gradient(180deg,#f6fbf8 0%, #edf7f2 100%); border: 1px solid #d4e6e3; border-radius: 12px; padding: 13px 15px;\"\u003e\n\u003cp style=\"margin: 0 0 6px 0; color: #1a5a61;\"\u003e\u003cstrong\u003eBaseball Size (\u003cspan\u003e3\") \u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin: 0; padding-left: 18px; color: #22323a; line-height: 1.7;\"\u003e\n\u003cli\u003eA large, dramatic clump with full silky volume and deep red color\u003c\/li\u003e\n\u003cli\u003eApproximately baseball size or around 3 inches across\u003c\/li\u003e\n\u003cli\u003eReady for immediate aquascaping, display use, or refugium seeding\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr style=\"border: 0; border-top: 1px solid #dde5e8; margin: 18px 0;\"\u003e\n\u003ch3 style=\"margin: 0 0 10px 0; font-weight: bold; font-size: 18px; color: #184f69;\"\u003eCare Information\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: separate; border-spacing: 10px 10px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%; background-color: #eceff1; border: 1px solid #cfd6da; border-radius: 10px; padding: 11px 13px; color: #22323a; vertical-align: top;\"\u003e💡 \u003cstrong style=\"color: #435760;\"\u003eLighting\u003c\/strong\u003e\u003cbr\u003eModerate to High\u003c\/td\u003e\n\u003ctd style=\"width: 50%; background-color: #eceff1; border: 1px solid #cfd6da; border-radius: 10px; padding: 11px 13px; color: #22323a; vertical-align: top;\"\u003e🌊 \u003cstrong style=\"color: #435760;\"\u003eWater Flow\u003c\/strong\u003e\u003cbr\u003eLow Only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #eceff1; border: 1px solid #cfd6da; border-radius: 10px; padding: 11px 13px; color: #22323a; vertical-align: top;\"\u003e📍 \u003cstrong style=\"color: #435760;\"\u003ePlacement\u003c\/strong\u003e\u003cbr\u003eRefugium basket or calm display zone\u003c\/td\u003e\n\u003ctd style=\"background-color: #eceff1; border: 1px solid #cfd6da; border-radius: 10px; padding: 11px 13px; color: #22323a; vertical-align: top;\"\u003e⚙️ \u003cstrong style=\"color: #435760;\"\u003eCare Level\u003c\/strong\u003e\u003cbr\u003eEasy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #eceff1; border: 1px solid #cfd6da; border-radius: 10px; padding: 11px 13px; color: #22323a; vertical-align: top;\"\u003e📈 \u003cstrong style=\"color: #435760;\"\u003eGrowth Rate\u003c\/strong\u003e\u003cbr\u003eModerate to Fast\u003c\/td\u003e\n\u003ctd style=\"background-color: #eceff1; border: 1px solid #cfd6da; border-radius: 10px; padding: 11px 13px; color: #22323a; vertical-align: top;\"\u003e🧪 \u003cstrong style=\"color: #435760;\"\u003eNutrient Uptake\u003c\/strong\u003e\u003cbr\u003eModerate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr style=\"border: 0; border-top: 1px solid #dde5e8; margin: 18px 0;\"\u003e\n\u003ch3 style=\"margin: 0 0 10px 0; font-weight: bold; font-size: 18px; color: #6a6b58;\"\u003eSpecial Considerations\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #faf8ee; border: 1px solid #e6e1c9; border-left: 4px solid #b7ad78; border-radius: 10px; padding: 13px 15px; color: #22323a;\"\u003e\n\u003cp style=\"margin: 0; color: #22323a; line-height: 1.7;\"\u003eFire Silk is a \u003cstrong\u003efree-floating macroalgae\u003c\/strong\u003e — it does not attach to rock, sand, or any substrate. Because of this, it must be kept in \u003cstrong\u003elow-flow areas of the display tank or inside a refugium basket\u003c\/strong\u003e to prevent it from being pulled into pumps or scattered by strong currents. A refugium basket is the most reliable option for long-term success, allowing the algae to tumble gently while staying contained and well-lit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr style=\"border: 0; border-top: 1px solid #dde5e8; margin: 18px 0;\"\u003e\n\u003ch3 style=\"margin: 0 0 10px 0; font-weight: bold; font-size: 18px; color: #123844;\"\u003e🌱 Propagation\u003c\/h3\u003e\n\u003cp style=\"margin: 0 0 8px 0; color: #22323a; line-height: 1.7;\"\u003eFire Silk spreads naturally through \u003cstrong\u003ebranching growth and fragmentation\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; padding-left: 18px; color: #22323a; line-height: 1.7;\"\u003e\n\u003cli\u003eFilaments extend and branch outward as the colony grows\u003c\/li\u003e\n\u003cli\u003eClumps can be divided by hand into smaller portions without harming the plant\u003c\/li\u003e\n\u003cli\u003eSeparated fragments readily establish into new colonies under suitable conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"border: 0; border-top: 1px solid #dde5e8; margin: 18px 0;\"\u003e\n\u003ch3 style=\"margin: 0 0 10px 0; font-weight: bold; font-size: 18px; color: #123844;\"\u003eLearn More\u003c\/h3\u003e\n\u003cp style=\"margin: 0; color: #22323a; line-height: 1.7;\"\u003eFor detailed species information, compatibility, and care tips, visit our \u003cstrong\u003e\u003ca href=\"https:\/\/www.macroalgaefarms.com\/pages\/species-library\" style=\"color: #1d5c78;\"\u003eSpecies Library\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr style=\"border: 0; border-top: 1px solid #dde5e8; margin: 24px 0;\"\u003e\n\u003cdiv style=\"background-color: #f6f8f9; border: 1px solid #dde4e7; border-left: 4px solid #8a98a0; border-radius: 10px; padding: 13px 15px; font-size: 13px; color: #607078; line-height: 1.65;\"\u003e\n\u003cstrong style=\"color: #46545b;\"\u003eLivestock Disclaimer\u003c\/strong\u003e\n\u003cp style=\"margin: 8px 0 10px 0;\"\u003eDue to natural variation between specimens and species within a genus, the item you receive may not appear exactly like the one pictured. Photographs are representative examples of the species or growth form.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 10px 0;\"\u003eIndividual specimens may vary in size, shape, coloration, and growth pattern depending on age, lighting conditions, and environmental factors.\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eApproximate size ranges are provided for reference but may differ slightly from the specimen received.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Macroalgae Farms","offers":[{"title":"Golf Ball Size (1.5\")","offer_id":47815956889859,"sku":"S7, S5","price":12.99,"currency_code":"USD","in_stock":true},{"title":"Baseball Size (3\")","offer_id":47879377617155,"sku":"S7, S5","price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0667\/7151\/7699\/files\/hf_20260330_052846_9ad7205f-e868-4771-b347-a522cca43a52.png?v=1774849158","url":"https:\/\/www.macroalgaefarms.com\/products\/fire-silk-macroalgae","provider":"Macroalgae Farms","version":"1.0","type":"link"}