![]() ![]() This variety, as the name entails, will eat any remnants. ![]() ![]() Brown algae will not survive in light, so a new bulb will certainly help you to kill it.įinally, the simplest fix is to add an algae-eating fish to your tank. Next, light up the tank and make it brighter. This is crucial, as remnants will pollute the new water or re-attach elsewhere. Then, simply scrape off the remaining algae from the glass or other decorations, removing the substance from the tank altogether. This will starve the algae, preventing it from expanding further. You will also need to cleanse the water itself by purchasing a silicate/phosphorus absorbing filter. Start by removing any rocks and vacuuming out any gravel that you suspect is already infected with the brown substance, taking care to wipe down the larger pieces to remove as much algae as possible. If brown algae has already taken hold of your tank, don’t worry. Third, you should be sure that you cycle out your aquarium’s water regularly, in order to prevent the algae from ever taking hold.įreshwater is less likely to have the nutrients which feed algae, so it’s best to change out the water once a month. Their fecal matter will act as fuel for the algae to grow, as well as their dead bodies should they die from the excess feeding. Keeping an algae eater is always recommended, but more importantly, do not overfeed your fish. Brown algae grows most easily where it can steal nutrients, so faster-growing plants will be able to outperform the algae, making it impossible for it to grow. Starting off, the best approach is preventing the brown algae from ever growing in the first place. Brown algae thrives in dim lighting and will rapidly grow.įinally, low oxygen levels will assist the algae as it inhibits the plants from thriving.īy taking care of these problems, you’ll be able to easily find the cause of brown algae, and apply methods to prevent and cure it. These nutrients can also stem from uneaten food, dead material, or an overstocked environment. If the water is high in silicic acid, it begins to build these nutrients up and will proceed to feed the algae. The algae feeds off of those nutrients and uses them to grow. The primary source of brown algae is the silicates and nitrates often found in rocks and gravel. It’s best to get rid of the stuff as soon as it begins to grow. Some rocks contain the elements that help with the growth of the algae.Īlthough it is not toxic for fish, it is rather ugly to look at and can be harmful to your plants or corals, as it keeps them from getting the necessary sunlight and nutrients.Īs the algae dies, it can result in pollution issues and is often a sign that the chemistry of the tank is not at its best. Once established, it rapidly covers a majority of the aquarium with a thin, dark brown coating. This algae grows wherever there is low light and little in the way of green algae or other such plant growth. These photosynthesize and obtain chemical forms of sustenance, allowing them to survive in dark places as long as there are appropriate food sources available such as silicate, phosphorus, and nitrates. Starting as brown splotches on gravel or glass, brown algae is a variety known as gravel algae or silica algae. 3 How to Prevent Brown Algae in Fish Tank. ![]()
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