Alder Cones | Alnus rubra

Product Description: Alder cones (Alnus rubra) are one of the most popular aquatic botanicals to provide tannins to the blackwater, biotope, and botanical method aquarium. For good reasons! They are full of tannins and cultivate nutritious biofilms for shrimp that break down into beneficial detritus. Their tannin-producing properties land them in the top 5 list of our highest tannin botanicals, plus alder cones contain an abundance of antioxidants, humic acids, polyphenols, and other health-promoting compounds. Our alder cones are hand-picked here in the Pacific Northwest and help to lower the pH of soft water, meaning they can act as a more sustainable solution to the use of peat moss. The high surface area of alder cones cultivates an abundance of biofilms and fungal networks, making them great for freshwater shrimp and other rasping fish to graze on. Depending on the fish and invertebrates you have in your aquarium, we consider alder cones to be durable aquarium botanicals. We provi