Quick Answer: Are Aquarium UV Filters Worth It?

Can aquarium fish survive without filter?

Well, just about any fish can live in a tank without a filter IF you did massive water changes EVERY DAY.

Even Bettas which for some reason people think are ok in vases, need filters.

Just to counter some of the answers: with plants, light, few fish and sparse feeding it is possible to keep fish without filtration..

How many hours light in aquarium?

12 hoursHow long should I keep my aquarium lights on? To provide animals and plants the lighting they need, 10 to 12 hours a day is sufficient. Installing a timer or purchasing a unit with integrated timing can make lighting easier––just set it and forget it. Keep in mind algae loves light as well.

Do UV clarifiers really work?

Clear Water Considerations A properly installed pond UV light may be so effective that the water stays clear even without a biological filter installed. But clear water is not necessarily healthy for the pond because dead organic matter and harmful ammonia are still in the water and may affect fish and plants.

Should a UV sterilizer be on all the time?

The contact time of UV light It is no brainer that having a longer contact time of the UV light will lead to better killing of the microorganisms. It is all about the flow rate of the water. … This should make it possible for the light to kill more bacteria and other organisms.

Where do you put UV light in aquarium?

Built-in pump directs waterborne organisms past the UV-C lamp for clean, clear aquarium water. Install in vertical or horizontal position right in your aquarium or sump. For fresh, saltwater aquariums or garden ponds.

How fast does UV light kill algae?

What factors influence the effectiveness of UV sterilizers?Organism*Killing Dose of UV light (Microwatt seconds per square centimeter)Bacteria15,000 – 30,000Algae22,000 – 30,000Fungi45,000Protozoa90,0002 more rows

Does UV light kill good bacteria?

UV affects both good and bad bacteria by damaging the DNA in the bacteria, resulting in death or the inability to reproduce. The bacteria must pass directly in front of the UV lights or they aren’t affected.

How long should a UV light be on in an aquarium?

An aquarium UV steriliser should be switched on and running for 24 hours per day, every day. Exceptions would be setting the tank up before there are any fish in it, adding beneficial bacteria to the water, as UV light kills bacteria, or if you are using a medication that stipulates that UVs should be turned off.

How long does a UV filter take to work?

about 6-8 weeksA. To begin with you should not turn on the U.V.C. until the filter is mature biologically. This can take about 6-8 weeks and is the process whereby the filter is colonised by the beneficial bacteria that keep the water healthy.

Is UV light bad for fish?

Ultraviolet light is beneficial to aquarium goldfish. The UV acts as a water sterilizer, killing bacteria and algae. It also enables goldfish to regulate their daily routine. … Although generally beneficial, UV light can be harmful in doses that exceed the natural amount of light a wild fish would receive.

Is it OK to turn off aquarium filter at night?

It is not a good idea to turn off your aquarium filter every night. The filter plays a key role in the health of your tank, and shutting it down for hours at a time can eventually lead to problems. … Second, your filter helps to aerate the water.

Will UV sterilizer clear cloudy water?

A UV sterilizer will never cuase cloudy water. In fact you should have water so clear, it’s like it’s not even there.

What fish do not need filters?

Best Fish For A Bowl Without FilterBetta fish (Use a heater)Guppies.White Cloud Minnows.Blind Cave Tetras.Salt and Pepper Corydoras.Zebra Danios.Ember Tetra.Pea Pufferfish.More items…•

Does UV light go before or after filter?

Generally, the better, and most common, placement is right after the filter. In fact, a lot of the biological filters (that have a uv light built in) place this uv light after the filter itself. There are a couple of good reasons for this: The uv light works more efficiently when the water flowing along it is clearer.

Are UV filters good for aquariums?

A UV sterilizer is a great device used in aquariums to get rid of bacteria, algae, and other nuisances like Ich or other parasites. … UV sterilizers can be used both in freshwater or marine fish tanks. It’s a great addition to your tank and prevents the death of fish because of its protective nature.

Do you really need a filter in fish tank?

NO, you don’t NEED a filter. That said, in most cases, you will need to use a filter in your fish tank to provide enough biological filtration. … The filter does a few things for your tank: The filter keeps the water in your aquarium clean by removing debris and toxins like ammonia, and nitrates.

Does a UV filter kill algae?

When operated correctly, free-floating microorganisms will be killed by the UV light. Note that the organisms must be in the water that flows to the UV sterilizer. The UV light has no residual effect and will not kill organisms attached to fish (e.g., adult stage of ich) or rocks (e.g., algae).

How many watts UV Sterilizer do I need?

The unofficial rule of thumb in determining the wattage is 10 watts per 75 gallons water volume for saltwater application and 10 watts for every 150 gallons for freshwater closed systems. In pond application this is greatly increased to 10 watts per 1000 gallons, due to the suns natural capability of producing UV rays.