Goldfish Tank Filtration
Filtration can be one of the best ways to help water stay in top quality. Some people will say that goldfish need a water turnover of 10+, but if the filter can't handle that much waste all the occurs is fast moving water, and not much else.
Here are some of the filters available for a goldfish tank.
While not mentioned much these days on goldifsh websites, a sponge filter is powered by an airpump and placed inside the tank. Some of the benefits include:
- Cost, they are inexpensive
- Easily place into tank
- Good Biological Filtration
- Moderate Debris Filtration
Hang on the Back Cartridge Based Filter
This type of filter hangs on the back of your tank and contains a cartridge to trap bedris. Many brands make this type of goldfish tank filter. Some information of the hang on the back cartridge filter include:
- Cartridge offers very little biological filtration
- Carbon within the cartridge can go bad quickly
- Little room for bio-media
- Good debris filtration
- Moderate Biological filtration
Hang on the Back Cartridge Based Filters with Bio-Wheels
This filter also hangs on the back of the goldfish tank, and typically has a cartridge that will trap debris. Some filters have room for additional filtration pads, or biological media. The two main choice in these filters are:
Some information regarding Hang on the Back Cartridge Based Filters with Bio-Wheels include:
- Cartridge offers excellent debris filtration, but little biological filtration.
- Carbon the the cartridge can go bad quickly
- Enough room for bio-media
- Very Good debris filtration
- Very good biologicalfiltration
- Bio-Wheel is excellent for good bacteria growth.
Hang on the Back Power Filters
Although lacking the convenience of a cartridge, power filters offer superior filtration. With several brands making power filters Hagen Aquaclear in by far the most common.
Some information regarding power filters includes:
- Sponge to trap waste and debris, acts as biological filtration
- Space for biological media
- Space for alternat media, including filter floss, carbon, phosphate filter, etc.
- Very good debris filtration
- Very good biological filtration
With many brands to choose from canister filters offer superior filtration over any hang on the back filter. Some of the canister filter benefits include:
- Large sponge to trap waste and debris, also acts as biological filtration
- Large space for biological media, including Ceramic Rings, Cell-pore media, bio-stars, bio-balls, etc.
- Excellent Biological filtration
- Excellent Debris filtration
What's the best filter for a goldfish tank?
There is no single answer to this question. There are a few things to keep in mind when purchasing a filter.
- Filter should be rated at double, or more, of the goldfish tank size.
- Filter needs to be able to handle the ammonia levels produced by goldfish.
- Biological filtration is more important that water turn over.
- Two filters are better than one.
Common sense should come into play wehn choosing a filtration system for your goldfish tank. The water is one of the most important parts to a goldfish's health and welbeing. A filter is the best way to keep your water clean and healthy.