{"product_id":"hornwort-ceratophyllum-demersum","title":"Hornwort – Ceratophyllum demersum","description":"\u003ch2\u003eHornwort – Ceratophyllum demersum\u003c\/h2\u003e\n\n\u003cp\u003eHornwort (\u003cem\u003eCeratophyllum demersum\u003c\/em\u003e) is a popular, hardy freshwater aquarium plant known for its fine, feathery green foliage and incredible versatility. It can be grown floating or loosely anchored in the substrate, making it suitable for a wide variety of aquarium setups, from community tanks to shrimp tanks and fry grow-out aquariums.\u003c\/p\u003e\n\n\u003cp\u003eFast-growing and beginner-friendly, Hornwort can help absorb excess nutrients from the water column while providing excellent cover for shrimp, fry, and small fish. Its soft, bushy growth adds a lush, natural look to freshwater aquariums and makes it a great choice for low-tech planted tanks.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFast-growing and hardy freshwater aquarium plant\u003c\/li\u003e\n  \u003cli\u003eGreat for beginners and low-tech aquariums\u003c\/li\u003e\n  \u003cli\u003eCan be floated or loosely anchored\u003c\/li\u003e\n  \u003cli\u003eHelps absorb excess nutrients from the water column\u003c\/li\u003e\n  \u003cli\u003eProvides excellent cover for fry, shrimp, and small fish\u003c\/li\u003e\n  \u003cli\u003eNo CO2 injection required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePlant Care Information\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eScientific Name:\u003c\/strong\u003e \u003cem\u003eCeratophyllum demersum\u003c\/em\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCommon Name:\u003c\/strong\u003e Hornwort\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlant Type:\u003c\/strong\u003e Floating \/ bunch plant\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlacement:\u003c\/strong\u003e Floating, background, or loosely anchored\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLighting:\u003c\/strong\u003e Low to high\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e 60–82°F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003epH:\u003c\/strong\u003e 6.0–7.8\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrowth Rate:\u003c\/strong\u003e Fast\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCare Level:\u003c\/strong\u003e Easy\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCO2:\u003c\/strong\u003e Not required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTank Placement\u003c\/h3\u003e\n\u003cp\u003eHornwort can be left floating at the surface or loosely anchored in the background of the aquarium. Floating Hornwort provides shade, surface cover, and hiding places for fry and shrimp.\u003c\/p\u003e\n\n\u003cp\u003eIf anchoring Hornwort, avoid burying the stems too deeply in the substrate. The buried portion can decay if it is packed too tightly or deprived of water flow.\u003c\/p\u003e\n\n\u003ch3\u003eLighting, CO2 \u0026amp; Nutrients\u003c\/h3\u003e\n\u003cp\u003eHornwort is an excellent low-tech aquarium plant and does not require CO2 injection. It can grow in low to high lighting, though stronger lighting and available nutrients may increase growth speed.\u003c\/p\u003e\n\n\u003cp\u003eBecause Hornwort grows quickly and feeds from the water column, it can help absorb excess nutrients. This can support better water quality as part of regular aquarium maintenance.\u003c\/p\u003e\n\n\u003ch3\u003eTrimming \u0026amp; Maintenance\u003c\/h3\u003e\n\u003cp\u003eTrim Hornwort regularly to prevent overgrowth and keep the aquarium looking clean. Healthy trimmed sections can be floated or repositioned in the aquarium.\u003c\/p\u003e\n\n\u003cp\u003eHornwort may shed some needles when adjusting to a new aquarium or after sudden changes in temperature, lighting, or water parameters. Stable conditions usually help reduce shedding and support healthier growth.\u003c\/p\u003e\n\n\u003ch3\u003eBest Uses in Aquariums\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBeginner planted aquariums\u003c\/li\u003e\n  \u003cli\u003eLow-tech freshwater tanks\u003c\/li\u003e\n  \u003cli\u003eShrimp tanks and fry cover\u003c\/li\u003e\n  \u003cli\u003eBreeding tanks and grow-out tanks\u003c\/li\u003e\n  \u003cli\u003eGoldfish aquariums\u003c\/li\u003e\n  \u003cli\u003eFloating plant cover and background growth\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan Hornwort grow without CO2?\u003c\/strong\u003e\u003cbr\u003e\nYes. Hornwort grows very well in low-tech aquariums without CO2 injection.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eShould Hornwort be planted in substrate?\u003c\/strong\u003e\u003cbr\u003e\nHornwort can be floated or loosely anchored, but it should not be buried deeply. Deeply buried stems may decay.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDoes Hornwort help with algae control?\u003c\/strong\u003e\u003cbr\u003e\nHornwort can help absorb excess nutrients from the water column, which may help reduce algae growth when combined with proper lighting, water changes, and aquarium maintenance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs Hornwort safe for shrimp and fry?\u003c\/strong\u003e\u003cbr\u003e\nYes. Hornwort is safe for shrimp, snails, and peaceful freshwater fish. Its dense growth provides excellent cover and grazing areas.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy is my Hornwort shedding needles?\u003c\/strong\u003e\u003cbr\u003e\nHornwort may shed when adjusting to a new tank or when water conditions change quickly. Stable temperature, lighting, and water parameters help reduce shedding.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan Hornwort float?\u003c\/strong\u003e\u003cbr\u003e\nYes. Hornwort is commonly used as a floating plant and works well for shade, fry protection, and natural cover.\u003c\/p\u003e\n\n\u003ch3\u003eAvailable at Tropical Treasures Wyo\u003c\/h3\u003e\n\u003cp\u003eHornwort is a great choice for aquarists looking for a hardy, fast-growing aquarium plant that can be floated or loosely anchored in freshwater tanks. Visit Tropical Treasures Wyo in Cheyenne, Wyoming, or shop online for live aquarium plants, freshwater fish, shrimp, and aquarium supplies.\u003c\/p\u003e","brand":"Tropical Treasures Wyo LLC","offers":[{"title":"Default Title","offer_id":52194499821781,"sku":null,"price":6.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/4545\/8133\/files\/Ceratophyllum_demersum.jpg?v=1783174057","url":"https:\/\/tropicaltreasureswyo.com\/products\/hornwort-ceratophyllum-demersum","provider":"Tropical Treasures Wyo LLC","version":"1.0","type":"link"}