200 micron filter sock - great for general everyday use, reusable and made from polypropylene so you know they'll last a long time even when bleached regularly

10 micron filter sock - works perfectly with the Blue Life Phosphate RX to immediately drop phosphates. Use in emergencies only, but these socks help to bind phosphates and allow them to be trapped in the sock and then simply removed after treatment

200 micron mesh filter sock - for an even easier clean, simply remove, hose off and reuse

Fast and Cheap

Q: What are aquarium filter socks used for?

A: Filter socks are mechanical filter media designed to catch waste, uneaten food, detritus, and other particles as water passes through your filtration system.

Q: How do filter socks work?

A: Aquarium water flows through the filter sock, while the fabric traps suspended particles. This helps remove physical waste before it continues through the rest of the filtration system.

Q: What do filter socks remove?

A: They can capture fish waste, uneaten food, sand particles, detritus, and other suspended debris from aquarium water.

Q: Where are filter socks normally used?

A: They are commonly used in sumps, particularly on the drain lines where water first enters the filtration system.

Q: Are filter socks suitable for marine aquariums?

A: Yes. Filter socks are widely used in marine and reef aquariums to remove suspended waste and keep water cleaner.

Q: Can I use filter socks in a freshwater aquarium?

A: Yes. They can be used in freshwater systems with compatible sump or filtration setups.

Q: Will filter socks make my aquarium water clearer?

A: They can help improve water clarity by physically removing particles that would otherwise remain suspended in the water.

Q: How often should I clean or replace a filter sock?

A: This depends on your aquarium's bioload and how quickly the sock becomes dirty. Check it regularly and clean or replace it once it becomes heavily loaded with waste.

Q: What happens if I leave a dirty filter sock in too long?

A: A clogged sock can restrict water flow and allow trapped organic waste to remain in the system. Regular maintenance helps prevent this.

Q: Can I wash and reuse filter socks?

A: Reusable filter socks can be washed and returned to service. Thoroughly rinse them and avoid leaving behind detergents or other cleaning chemicals that could enter the aquarium.

Q: Should I use filter socks with other filter media?

A: Yes. Filter socks provide mechanical filtration and can be used alongside biological and chemical filtration media as part of a complete filtration system.

Q: Do filter socks remove beneficial bacteria?

A: Filter socks primarily remove physical particles from the water. The majority of your aquarium's established biological filtration should be provided by dedicated biological media and other surfaces within the system.

Q: Can filter socks remove algae?

A: They can catch suspended algae and other particles that are physically large enough to be trapped by the sock.

Q: Are filter socks suitable for reef tanks with corals?

A: Yes. They can help remove suspended particles and waste from reef systems, contributing to cleaner water when maintained properly.

Q: Why should I choose filter socks?

A: Filter socks provide simple and effective mechanical filtration, helping capture waste and suspended particles before they circulate through the rest of your aquarium system.