8 Low-Maintenance & Cost-Effective Floating Aquarium Plants

Floating plants help filter harmful chemicals that build up in aquarium water. They also help lower the nitrogen levels in the fish tank. Placing floating plants in your tank also provides a source of food for herbivorous animals. Here are the best floating aquarium plants for beginners:

Duckweed

For small aquariums, duckweed is the best choice. This plant has tiny leaves and short roots. Duckweed is fast-growing yet easy to maintain. This means that it can act as the perfect food source for herbivorous fish and invertebrates.

Duckweed

The only problem with duckweed is that it grows rapidly. Thus, you might need to remove excess growth, transfer them to another tank, or throw them away. IT can also get into and clog your filter if the flow pulls the floating leaves under the water.

Hornwort

Hornwroth is more of a suspended plant as, instead of floating on the surface, it drifts suspended within the tank. The thick foliage of hornwort [rovides good hiding places for small fish and fry. It is one of the most common plants for fish tanks that you’d find at pet stores. For example, these online fish shops.

Hornwort

Water Lettuce

Water Lettuce is a fast-growing aquatic plant that has broad leaves that resemble a cluster of lettuce. Because it grows rather quickly, you have to remove any excess and discard them in the bin or transfer them to another tank. Never discard the plant in a natural water system.

Water Lettuce

Amazon Frogbit

Amazon Frogbit has broadish leaves, large rosettes, and long branching roots. This plant is capable of blocking out much of the light that enters the aquarium and is great for fish that like murky water. Also, the roots need to be sectioned off to prevent them from clogging up the filter.

Amazon Frogbit

Cabomba

Cabomba is a fast-growing aquatic weed that can be planted or left floating. Due to its thick growth, it can provide adequate hiding spots for shrimp and small fish.

Cabomba

Water Spangles

Water spangles usually grow naturally on the surface of the water. It grows in both freshwater and saltwater (salinity of the water needs to be between 4 and 7 ppt). Water spangles are very effective in eliminating nitrogen waste and are also ideal for backyard ponds or water gardens. For indoor use, a specialized light is needed to promote growth and health.

water sprangles

Java Moss

Java moss is a poplar floating aquarium plant. Although it’s technically a moss. It’s easy to care for, low maintenance, and thrives in freshwater tanks.

Java Moss

Red Root Floater

The red root floater is a lesser-known floating aquatic plant. It requires lots of light in order to thrive and change colors (green to red). Additionally, iron is important for the red foot floater to grow. Like other floating aquarium plants, it is a fast-growing plant and needs to be removed and discarded accordingly if it grows in excess.

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Red root floater

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