Why Is My Amazon Sword Melting?

Amazon Sword Melting My Aquarium Club
Amazon Sword Melting My Aquarium Club from www.myaquariumclub.com

If you’re an avid aquascaper, then you’ve probably come across the Amazon sword (Echinodorus amazonicus) plant. This popular and hardy aquatic plant is found in many aquariums around the world, adding a natural aesthetic and providing much-needed oxygen to the water. However, many new aquascapers have found that their Amazon swords are melting away, and it can be disheartening to see a beloved plant deteriorating. So why is my Amazon sword melting?

What Causes Amazon Sword Plants to Melt?

The most common cause of Amazon sword melting is an imbalance in water parameters. Amazon swords are quite sensitive to pH, temperature, and water hardness, and if these parameters are off, the plant will start to suffer. Additionally, if the water is too warm or too cold, it can cause the plant to melt. Thus, it’s important to check the temperature of your aquarium on a regular basis to ensure that it’s not too low or too high.

How to Fix Amazon Sword Melting

If you’ve determined that your Amazon sword is melting due to an imbalance in water parameters, the first step is to test your water. You’ll need to measure the pH, temperature, and water hardness to ensure that they’re all within the ideal range for your Amazon sword. If they’re not, you’ll need to adjust them accordingly. For example, if the pH is too low, you can add a few drops of pH+ to raise it. Similarly, if the water temperature is too high, you can add a few drops of aquarium water conditioner to cool it down.

How to Prevent Amazon Sword Melting

To prevent your Amazon sword from melting, you should regularly check the water parameters to make sure they are within the ideal range for the plant. Additionally, you should avoid adding any new fish or plants to the aquarium without first testing the water parameters and making sure they are suitable. You should also make sure the aquarium is not in direct sunlight, as this can cause the water temperature to rise too high and lead to melting.

Best Conditions for Amazon Sword Plants

Amazon sword plants thrive in a wide range of water parameters, but the ideal conditions for them are a pH of 6.5-7.5, a temperature of 22-28°C, and a water hardness of 10-18 dGH. They don’t require any special lighting, but they do need plenty of space to grow, so make sure you give your Amazon sword plenty of room in the aquarium. You should also fertilize your Amazon sword regularly with a liquid fertilizer or substrate fertilizer to keep it healthy and robust.


Amazon swords are a popular and hardy aquatic plant, but they can still suffer if the water parameters are not ideal for them. If your Amazon sword is melting, it’s likely due to an imbalance in water parameters, so the first step is to test the water and adjust the parameters accordingly. Additionally, you should make sure the aquarium is not in direct sunlight and provide your Amazon sword with plenty of space to grow. Following these steps will help ensure that your Amazon sword remains healthy and robust.


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