- Dec 2, 2018
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Hornwort needs plenty of light, give it that and it will take over your tank. It's really easy to grow and it propagates by splitting shoots off. After a while it became the only plant I ever used because I could grow it to full size 3 days after I was done cycling. That and any other plant I put in with it (ferts don't help) promptly dies. As for why https://www.fishkeepingworld.com/hornwort/