How do I Revive Sick Willow Moss?

Willow moss is a great plant to have in a vivarium for aquatic enclosures. It can live in cooler temperatures and needs less light, which are reasons to consider putting it in a fish tank.

This moss is great for adding variety to underwater scenes because it looks nice. This plant doesn’t need much care, so it’s a great option for anyone who wishes to decorate a tank. Then, What if your Mosses get sick? Let’s discuss how I Revive Sick Willow Moss?

Sick Willow Moss
Sick Willow Moss

Table of Contents

Sick Signs of Willow Moss

Willow Moss will show some signs when it gets sick. First thing you can see there is the color of leaves turning brown. Firstly it may reduce the greenish color and then turn into a brown color. Sometimes the plant will emit a bad smell too when it gets sick.

Another sign of sickness you can see in Willow Moss is the plant falling inside the fish tank. Actually, this sign is subject to a plant very close to dying. So, you can revive the plant when it turns brown slightly before falling down inside the aquarium.

Can spiky moss make us sick?

No, Spiky moss does not make people sick. Even so, dead or dying Spiky moss in a fish tank can make your fish sick. Getting sick and dying Spiky moss plants do release poisons. This is in the form of gasses like ammonia and other nitrogenous wastes. So, you should have to remove sick or dead spiky moss from the tank to save the lives of fish.

Is sick Willow Moss release toxins?

As mentioned above, getting sick and dying Spiky moss plants emit toxins. It releases gasses like ammonia and other nitrogenous wastes harmful to fish and other aquarium plants.

Pieces of the Spiky moss plant that are starting to rot can break off and get stuck in other plants or parts of the tank, making the water dirty. This can make it easier for toxins and waste to spread through the tank and throw off the water balance, which is terrible for the fish and plants in the aquarium.

Willow Moss color changes

There is a range of color changes in a Willow Moss plant as follows.

  • Willow moss is mostly turning brown because of too much heat and light. The more light and warmth in the tank, the more likely your moss will turn brown. Melting is another word for when the moss starts to get sick and die.
  • Your moss also dies when the willow moss turns a uniform shade of brown. But uniform wilting can be caused by a temperature shock after changing the water, which can happen if the water in the tank is too cold or too warm.
  • Gray moss means that your moss needs to be cleaned and that it needs a more consistent source of light. If your light source doesn’t reach the lower layers of the Willow moss, it can look a little bit pale or gray.
  • When moss turns yellow, there aren’t enough nutrients in the aquarium tank, and the temperature is too high. If you don’t take care of these yellow spots, they will turn brown, which will kill the moss growth.
  • If there is black moss or plants in an aquarium, it means there is a lot of phosphate in the water. This is caused by rotting food in the tank. To prevent this, change the water often and vacuum up any leftover food.

How do I revive sick Willow Moss?

Your Willow moss can come back to life if you follow these simple maintenance steps.

  • Keep the temperature between 25 and 27 degrees Celsius (77 and 81 degrees Fahrenheit) constant. This is especially important after changing the water because sudden temperature changes can shock the Willow moss.
  • Getting water from the same place every time you do a water change is essential. So, keeping the pH and nutrient levels stable will be easier, which will keep the moss from getting a shock after the water change.
  • Make sure the light stays on for 8 to 10 hours daily, without any changes. Higher light levels help algae grow, while lower light levels slow down photosynthesis.
  • Adding liquid carbon dioxide (CO2) will help a sick Willow moss get better because it will speed up photosynthesis.
  • A sick moss plant can also be brought back to life by adding liquid fertilizer, which gives the moss more nutrients for healthy growth.
  • Your sick Willow moss will get better faster if you take care of it more often by changing the water, trimming off extra leaves, and getting rid of algae growth and pests.

Why does my Willow Moss bad smell?

Willow Moss bad smell could be because the bottom layers of your moss are rotting in the tank. If you don’t pick up the dead leaves, they will break down and make smelly nitrogenous waste like ammonia.

Leftover fish food can also get stuck in the moss cluster and make it smell bad. When this food breaks down in your moss, it will also make your moss smell bad.

How to clean my dirty Willow Moss?

To clean your Willow moss, carefully take it out of the tank with its soil and hold it under a gentle stream of water. You can also rinse the moss in clean water to get rid of any dirt or bits of food.

Also, you can gently vacuum the moss if you want to clean it in the aquarium, but don’t vacuum too hard, or you could hurt the plant.

Why is my Willow Moss falling apart?

Willow moss leaves can fall off when there isn’t enough light and food. This makes the plant weaker. This weakens the leaf’s structure and makes the moss fall apart.

On the other hand, bad water conditions may also affect willow moss leaves to fall apart. You must have a water-changing cycle and the required amount of water in the tank.

How long does Willow Moss live?

Even though it’s hard to say how long Willow moss will live. But, it is good to say that, under close supervision and proper maintenance, Willow moss will enjoy a long and healthy life in your aquarium.

Willow moss plants


There are many signs of understanding your Willow moss plants are getting sick. Color change, bad smell, and falling leaves are some of them.

When you identify a sign of getting sick, you should be quick to revive it. Giving the correct environmental conditions is the best thing you can do to keep them healthy.

By Uswatta Liyanage

Hello. I'm Uswatta Liyanage from Galle, Sri Lanka. I am the founder of this website. Since my childhood I'm an aqua plant lover and I have professionally learned more about aqua plants. So I created this site for share my knowledge and experience with all of you. Now you can refer my site and feel free to contact me if any inquiry.