How To Grow Pothos In Aquarium

You can grow pothos in aquarium by placing the cuttings above the water line with their roots submerged in the tank.
 
This popular houseplant adapts beautifully to aquatic environments and makes an excellent natural filter for your fish tank.
 
If you’ve been wondering how to grow pothos in aquarium successfully, the process is simpler than you might think.
 
Pothos thrive in water and will put out long roots that help absorb excess nitrates and other waste.
 
In this post, we’ll explore how to grow pothos in aquarium step by step, the benefits it brings, and a few common pitfalls to avoid.
 
Let’s get started with the basics of pothos in aquarium setup.
 

How to Grow Pothos in Aquarium: The Step-by-Step Method

Learning how to grow pothos in aquarium starts with selecting the right cuttings and positioning them properly.
 

1. Choose Healthy Pothos Cuttings

To grow pothos in aquarium, begin with a vine that has several leaves and visible nodes.
 
Snip a cutting that includes at least two or three nodes because these are where roots will emerge.
 
Make sure the cutting is free of pests and disease so your aquarium stays safe.
 
Healthy cuttings root faster and give you the best chance to successfully grow pothos in aquarium.
 

2. Remove Lower Leaves

Before placing the cutting in your tank, strip off the lowest leaves that would otherwise sit underwater.
 
Only the stems and nodes should be submerged while the upper leaves remain above the water surface.
 
Leaves left underwater can rot and pollute your aquarium, so this step is crucial when you grow pothos in aquarium.
 

3. Secure the Cutting Above the Water

Use a suction cup clip, a plant holder, or simply drape the vine over the aquarium rim so the roots dangle into the water.
 
The leaves must stay dry to prevent rot, which is a key rule for anyone learning how to grow pothos in aquarium.
 
You can also thread the stem through a hole in a floating piece of foam if you want a neater look.
 

4. Wait for Roots to Develop

Within a week or two, white roots will start growing from the nodes into the water.
 
These roots will quickly become a busy network that helps keep your water clean as you grow pothos in aquarium.
 
During this time, change part of the water weekly to encourage healthy root growth.
 

Benefits of Growing Pothos in Aquarium

Once you learn how to grow pothos in aquarium, you’ll notice several positive changes in your tank.
 

1. Natural Nitrate Reduction

Pothos are heavy feeders and absorb nitrates directly from the water column.
 
High nitrates stress fish and fuel algae, so placing pothos in aquarium growth helps maintain stable water parameters.
 
Many aquarists report lower nitrate readings after adding pothos to their setup.
 

2. Algae Control

The roots of pothos in aquarium compete with algae for nutrients, limiting algae blooms naturally.
 
This means less scrubbing of glass and fewer green water outbreaks.
 
If you want a low-maintenance tank, learning how to grow pothos in aquarium is a smart move.
 

3. Shelter for Fry and Shrimp

The dangling root mass provides a safe hiding spot for baby fish and shrimp.
 
It mimics natural floating vegetation and gives tiny creatures a place to escape larger tank mates.
 
When you grow pothos in aquarium, you add both function and beauty to the environment.
 

Common Mistakes When You Grow Pothos in Aquarium

Avoid these errors to keep your pothos and fish healthy while you grow pothos in aquarium.
 

1. Submerging the Leaves

The biggest mistake is letting the leaves sit underwater for more than a few days.
 
Pothos leaves are not aquatic and will rot quickly, which can foul the water and harm fish.
 
Always ensure that only the stems and roots are wet when you grow pothos in aquarium.
 

2. Using Soil or Fertilizer Tablets

Don’t plant pothos in aquarium substrate or add soil-based fertilizers because they can spike ammonia.
 
Pothos gets all the nutrients it needs from fish waste and leftover food in the water.
 
If you try to grow pothos in aquarium with extra supplements, you risk an imbalance in your tank.
 

3. Placing in Strong Flow

While pothos can handle some current, a very strong filter outflow can damage tender new roots.
 
Position the cutting in a calmer area of the tank when you first attempt to grow pothos in aquarium.
 
Once roots are established, they become tougher and can withstand moderate flow.
 

How to Maintain Pothos Growing in Aquarium

Regular care ensures your pothos in aquarium keeps thriving and doing its job.
 

1. Trim Roots Occasionally

Roots can grow very long and may reach the substrate or clog filter intakes.
 
Use clean scissors to trim them back by a few inches whenever needed while you grow pothos in aquarium.
 
Cut roots will quickly branch out and become bushier, which is even better for filtration.
 

2. Rinse Leaves and Roots

Every few weeks, gently rinse the exposed roots and leaves with dechlorinated water to remove debris.
 
This prevents sediment buildup and keeps the plant healthy as you grow pothos in aquarium.
 
Avoid soap or chemicals — just plain water does the trick.
 

3. Add Liquid Fertilizer Sparingly

If your aquarium has very low fish load, the water may lack enough nutrients for the pothos.
 
In that case, you can add a few drops of liquid aquarium fertilizer once a month to support pothos in aquarium growth.
 
Too much fertilizer, however, can trigger algae, so go light.
 

So, How to Grow Pothos in Aquarium?

You can grow pothos in aquarium by following the simple method of placing cuttings with roots submerged while keeping leaves dry.
 
This technique is easy, low-cost, and brings multiple benefits like natural filtration, algae reduction, and shelter for small tank residents.
 
Avoid common mistakes like submerging leaves or adding soil, and your pothos will flourish alongside your fish.
 
Now you know exactly how to grow pothos in aquarium, so grab a cutting and give it a try.
 
Your fish and your water quality will thank you.