How to Get Rid of Algae in Saltwater Aquarium Sand

Algae are plant-like organisms, similar to typical plants that use the sunlight to make food, except algae don't have roots and leaves. There are different types of algae. Some of the most common types of algae are green, red and brown algae. It is easy for algae to grow in saltwater aquarium sand. Fortunately, there are some simple solutions that you can use to get rid of this problem. By applying these basic steps, you can free your saltwater aquarium sand of algae.

Things You'll Need

  • Ocean salt
  • RO/DI water
Show More

Instructions

    • 1

      Eliminate silicates (a compound that contains silicon, oxygen and other metals) from your saltwater aquarium sand to get rid of algae. Sands such as play sand and builder's sand may contain silicates. Remove the sand from your saltwater aquarium if it did not come from the ocean and replace it with ocean sand.

    • 2

      Purchase a nitrate level test kit to test the nitrate levels in your sea salt. Test the sea salt for high levels of nitrate, by following the manufacturer's instructions. Consider replacing the sea salt if it contains high levels of nitrate with a brand that contains lower levels.

    • 3

      Consider using RO/DI (Reverse Osmosis) water to get rid of algae in your saltwater aquarium sand. In addition to getting rid of algae, it will also ensure that your fish enjoy a cleaner and healthier habitat.

    • 4

      Reduce the amount of nutrients that you put in your saltwater aquarium. Algae thrives on nutrients. Changing at least 20 percent of the water every day will reduce the nutrients, which will eventually get rid of algae in your saltwater aquarium sand.