Algae can build up on El Nino Fern’s leaves because it is a slow growing plant. Added CO2 may provides other benefits such as reducing algae growth. CO2 Requirement for El Nino FernĮl Nino Fern doesn’t need CO2 injection to grow well, but if available it provides a boost to growth rate. Expect a maximum height of 4 to 6 inches in most aquariums. Growth HeightĮl Nino Fern’s maximum growth height depends on environment and care. Many Bolbitis varieties can take as many as two months to grow a single leaf. Added CO2 can increase its growth rate but not substantially. Growth RateĮl Nino Fern is a slow growing plant. If your aquarium contains nutrient rich growing soil this can help buffer acidity and keep water pH in a healthy range for this plant. Water pH for El Nino FernĮl Nino Fern likes slight acidic water with a pH range between 6.0 and 7.5. Temperature for El Nino FernĮl Nino Fern can tolerate most common freshwater aquarium temperatures between 68° and 80° F. Water flow can help keep leaves algae free as well as bring in fresh nutrients. If you’re planning on placing this plant under bright light make sure it has strong water currents nearby. Algae growth can be encouraged by bright lighting and this plant’s leaves are popular targets. Exercise caution if growing under bright light. This is a good plant for low tech aquariums with dimmer lighting. Lighting for El Nino FernĮl Nino Fern only needs low to moderate lighting to grow well. If attempting to grow this plant in aquariums without any substrate it’s necessary to make sure enough liquid micro and macronutrients are present in the water column. However, the El Nino Fern can benefit from growing in an aquarium with nutrient rich substrate such because this will slowly leach nutrients into the water. Does El Nino Fern need substrate to grow?Įl Nino Ferns don’t need substrate to grow and can draw nutrients from the water column. This plant grows well under medium or low light, and is a good choice for beginning hobbyists with low tech tanks. Are El Nino Ferns easy to care for in an aquarium?Įl Nino Ferns are easy aquarium plants without demanding care needs. The rhizome can also be laid along substrate, but it’s important that it not become buried by water currents or large aquarium fish. Superglue gel is a favorite method of aquascape enthusiasts, and will allow the rhizome to stay in place while it grows and attaches itself to hardscape. It must be attached to rocks or other hardscape with thread, fishing line, or a spot of superglue gel. The rhizome can’t be buried in soil or it will rot. This woody part of the plant may resemble a root, but it’s not. New El Nino Ferns must be placed carefully so they have the best growing environment. Once these plants become used to submerged growth in an aquarium they are robust and don’t need frequent care or trimming. These can come from added liquid fertilizers or the presence of nutrient-rich growing soils which slowly leech macro and micronutrients into the water.Ī slow-growing plant, El Nino Ferns must be placed near current sources to keep the leaves algae free and provide the plant with fresh nutrients. While it doesn’t need soil to grow there should be nutrients available in the water column. This plant grows from a rhizome which must be anchored to rocks or other hardscape. We’ve assembled this guide with all you’ll need to know to get years of enjoyment from this beautiful and easy-to-care for aquarium plant! El Nino Fern CareĮl Nino Ferns are trouble free aquarium plants which can grow well in low tech tanks with low to medium lighting. While this plant is simple to raise it does have some specific care needs. If you aren’t planning on adding El Nino Fern to a high tech tank it’s important to take extra steps to combat algae growth such as the addition of algae eating species like Amano or Cherry Shrimp. Added CO2 can benefit this plant by lowering water alkalinity and reducing algae growth. Like Java Fern, the El Nino Fern doesn’t need added CO2 to thrive. This plant has attractive broad green leaves with a slightly crinkled appearance. Similar to Java Fern and other Bolbitis species, the El Nino Fern grows from a rhizome which can be anchored to rocks or other hardscape. El Nino Fern, also known as Asian Water Fern or Bolbitis Broadleaf, is a beginner friendly aquarium plant native to Southeast Asia.
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