Can tetra fish live in filtred water?

Yes, tetra fish can live in filtered water. In fact, filtered water is generally better for tetras than unfiltered water, as it removes impurities and harmful substances that can make the fish sick.

When filtering water for tetras, it is important to use a filter that is rated for the size of your tank. The filter should also be able to remove both solids and dissolved pollutants, such as chlorine and chloramines.

Some good filter options for tetras include:

* Sponge filters: Sponge filters are a simple and inexpensive type of filter that is ideal for small tanks. They can be easily cleaned by rinsing them off in old tank water.

* Box filters: Box filters are another good option for small tanks. They are similar to sponge filters but have a rigid frame that makes them more durable.

* Power filters: Power filters are a more powerful type of filter that is ideal for larger tanks. They use a motor to circulate water through the filter media, which can remove debris and dissolved pollutants more effectively.

* Canister filters: Canister filters are the most powerful type of filter and are best suited for large tanks. They have a large capacity and can be used with a variety of filter media.

* Reverse osmosis (RO) systems: RO systems are the most effective way to remove dissolved pollutants from water. They use a semipermeable membrane to filter out salts and other impurities. RO systems are not as commonly used for tetras, but they can be a good option for aquarists who live in areas with poor water quality.

No matter what type of filter you choose, it is important to clean it regularly according to the manufacturer's instructions. This will help to keep the water clean and safe for your tetras.