I have just switched my fish over to this tank about 2 weeks ago, and it went from green, which i fixed with closing my blinds, to white cloudy water.If it helps, i use an undergravel filter, but to do the quick clear I used my power carbon filter, and that seems to clear the tank up, for a little at least. More fish mean more waste and more food for the microbes causing the cloudy water. If you don’t take care of the situation, your fish may get sick and eventually die. If your aquarium is newly set up then add fish slowly after the water tests show that the tank is cycled. It has been cloudy before but that had gone away. Cloudy or milky water is common during this process, but it usually does not show up until fairly late in the cycle. Dealing with a cloudy fish tank? This tank is not new (been up and running with the goldfish for over a year) so I don’t think it’s a bacterial bloom like you see in new tanks. Dirty Tank Filter. In most cases, cloudy tank water does not pose a significant threat to your fish but it can affect the appearance of your tank and it may point to additional problems such as poor water quality. The final potential cause of cloudy water in your turtle tank is that you may not be cleaning out the filter at all, not enough, or it is possible you are cleaning it too well. While the problem is not as common in the saltwater tank side, it is far more common for fresh water tanks. Green water indicates out-of-control algae in your tank, usually caused by too much light, excess nutrients like phosphates from rotting food, or nitrates from fish waste. In the past week the water has turned cloudy, even persisting through a water change. Chemical Pollution. Too many fish in your fish tank may also cause a rise in harmful ammonia and nitrites. Specific bacteria, known as Heterotrophic , consume the nutrients and bloom in the process. Reasons for Cloudy Water in Aquarium. Does this sound familiar? Once fish are added to a new fish tank, their waste begins to build up, creating a toxic amount of ammonia. Probably the most common cloudy water in fish tank solutions is this one, so let’s hope this is your issue. Is Cloudy Water Bad For Fish? The fish seem to be very happy, actually showing off to strangers more than normal, no stress bars showing - and they are eating like normal. Cloudy Water in Your Fish Tank: Causes and Solutions. These bacteria have the ability to double their population in 15 minutes, which eventually causes the water to become white and foggy from their sheer numbers. I saw someone ask a similar question to this but I have a few differences and was hoping someone could help me. Cloudy Water – The Nitrogen Cycle. All fish keepers have experienced cloudy water in their fish tank at some point. If you are currently dealing with cloudy water in your tank you should first determine the cause of the situation before you can move on to finding the solution. Causes of Cloudy Water in Fish Tank. The water in a fish tank may become cloudy due to an overabundance of organic nutrients in the system. How to get rid of cloudy fish tank water. Cloudy water can be very frustrating, since it prevents you from fully enjoying your beautiful fish tank. A couple days ago, my tank suddenly got super cloudy after I did a 15% water change. As unpleasant as it may be to own a tank full of water that looks like thin, rancid milk, grey water isn’t too much of a trouble – most of the time. Established tanks can be prone to cloudy green water, and this is one time that going green is a bad thing. Sometimes you can tell by the color of the cloudiness. It's so cloudy that I can't see even the center of the tank and it's only a 10 gallon hex. If the water of the aquarium gets cloudy, it … Keeping aquarium fish also usually come with responsibilities and issues.