Aquarium water is cloudy - Tetra 16176 3.38 Oz Easy Balance Water Treatment

1st priory is to save the fish !! move them to a new container consisting of half old water and half new water (declorinated) along with a small air bubbler !! this should help your fish to recover (don't use soap to clean out container it is toxic to fish) moist table salt is best to use for a cleaning agent and rinse well b4 putting fish inside

then ck to see if your aquarium is pumping water thru the filter and falling back into tank ( replace all the water in the tank 1st with two rinses ) make needed repairs to pump and or filter assembly (New filter cartridge) new pump impellers and cartridges are available for purchase for your aquarium from vendors that sell aquariums and allways ck the outlet the pump is plugging in b4 blaming a pump fail with a known good table light set to "On" they do go off once and an a while
verify that water chemistry is ok b4 retuning fish to tank and observe fish for strange behavior for next several hours ( upside down swimming, laying sideways )

External aquarium pumps are very powerful pumps that pull water out of the aquarium as well as return filter water back to the aquarium. In addition, external pumps are used in order to run protein skimmers and different types of filters such as canister filters.

Cloudy water is usually happens due to bacterial blossom. When you add lots of fish at once, you place an extremely high bio-load on the aquariums which result with a large amount of waste being produced suddenly therefore making the water cloudy.

You should test your water first. Tap water usually contains 1ppm of phosphate. If the level of the phosphate in your aquarium is high you should seek for alternate water source for your aquarium.

The best thing for you to do is to rinse the gravel before you out it in your tank to avoid your water getting cloudy.

The only cleaning a chemical filter requires is for you to swap out the carbon about once a week (or whenever the water becomes cloudy).

I have found you a how-to guide on making your own filter for your aquarium; however it is only productive for aquariums containing up to 40 gallons of water.

http://www.ehow.com/how_7718545_make-aquarium-water-filter.html

Although many aquarists choosing to use tap source to make up saltwater solutions and to top off a tank, tap water can lead to many water quality issues in aquariums. Using a water purification filter, buying clean natural sea water is an investment that will pay for itself in the long run.

Cloudy water is often a sign that you did not wash your gravel thoroughly. If you did, you may have a bacterial bloom. For crystal clear water, an ultraviolet sterilizer is the best permanent cure.

There are a few possible reasons that you may be noticing cloudiness of the water in your tank; the most likely reason being that it is new. Your tank has to go through a cycle so that the biological elements of the filter are prepared to handle the waste produced by the fish. Try to have a little patience and let this cycle run its course.