{"product_id":"green-sea-lettuce-ulva-macroalgae","title":"Green Sea Lettuce Ulva Macroalgae","description":"\u003ch2 style=\"margin: 0 0 12px 0; font-weight: 800; font-size: 28px; letter-spacing: -0.3px; color: #123844;\"\u003eGreen Sea Lettuce Ulva Macroalgae\u003c\/h2\u003e\n\u003cp style=\"margin: 0 0 12px 0; color: #22323a; line-height: 1.7;\"\u003eGreen Sea Lettuce (\u003cspan style=\"font-style: italic;\"\u003eUlva spp.\u003c\/span\u003e) macroalgae is a bright green sheet-forming macroalgae widely known for its \u003cstrong\u003efast growth and exceptional nutrient uptake\u003c\/strong\u003e in marine aquariums. Its thin, translucent blades resemble lettuce leaves, giving the algae its distinctive and recognizable appearance.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 18px 0; color: #22323a; line-height: 1.7;\"\u003eUlva grows as \u003cstrong\u003esoft leafy sheets\u003c\/strong\u003e that can attach lightly to rock, substrate, or tumble freely in refugiums. These broad blades efficiently absorb nitrate and phosphate while also providing \u003cstrong\u003enatural grazing material\u003c\/strong\u003e for herbivorous fish and invertebrates, making it both functional and visually appealing.\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 Options\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\u003eStarter portion ideal for refugiums or macroalgae displays\u003c\/li\u003e\n\u003cli\u003eSeveral small leafy Ulva blades\u003c\/li\u003e\n\u003cli\u003eGood starting amount for nutrient export or herbivore grazing\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\u003eLarge starter mass for established refugiums\u003c\/li\u003e\n\u003cli\u003eMultiple broad leafy blades\u003c\/li\u003e\n\u003cli\u003eExcellent for strong nutrient export and natural herbivore food\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\u003eModerate\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, sump, or display\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\u003eVery 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\u003eVery High\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;\"\u003eUlva grows as thin leafy blades that can float, tumble, or loosely attach to surfaces. It thrives in nutrient-rich systems and benefits from moderate water movement to keep the blades clean and healthy. Regular harvesting encourages continued rapid growth and sustained nutrient export.\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;\"\u003eGreen Sea Lettuce Ulva propagates through rapid growth and natural fragmentation:\u003c\/p\u003e\n\u003cul style=\"margin-top: 0; padding-left: 18px; color: #22323a; line-height: 1.7;\"\u003e\n\u003cli\u003eBlades grow quickly under strong lighting and nutrient availability\u003c\/li\u003e\n\u003cli\u003ePieces can be divided and placed elsewhere in the aquarium\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSmall fragments readily develop into new macroalgae blades\u003c\/strong\u003e\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 general appearance and 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":44370704728323,"sku":"S2 S4 T8U T6U T3U (DBT)","price":11.99,"currency_code":"USD","in_stock":true},{"title":"Baseball Size (3\")","offer_id":44370704793859,"sku":"S2 S4 T8U T6U T3U (DBT)","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0667\/7151\/7699\/files\/hf_20260307_022820_8277e77e-b802-46ff-bedc-4ada19e7c022_1.jpg?v=1772851106","url":"https:\/\/www.macroalgaefarms.com\/products\/green-sea-lettuce-ulva-macroalgae","provider":"Macroalgae Farms","version":"1.0","type":"link"}