Fluval AC70/110 Active Carbon Insert – 3 Pack
Activated Carbon improves water clarity in fresh and saltwater aquariums. It provides superior adsorption qualities, eliminating odors, discolorations and impurities.
Product Specifications
| Item | Details |
|---|---|
| Insert Type | Active Carbon |
| Package Quantity | 3 pieces |
| Compatible With | Fluval AC70 and AC110 filters |
| Usage | Water filtration for freshwater and saltwater aquariums |
FAQ
How long does it take for the activated carbon to start improving water clarity?
The improvement in water clarity can typically be observed within a few days of installation, depending on the initial water conditions.
Can these inserts be used in both freshwater and saltwater aquariums?
Yes, the Fluval AC70/110 Active Carbon Inserts are suitable for both freshwater and saltwater aquariums.
Is there a recommended replacement cycle for these carbon inserts?
Please contact customer service for replacement cycle recommendations based on your aquarium’s usage and water conditions.

Amy Graham –
The carbon inserts work well in my 55-gallon freshwater tank. Water clarity improved noticeably after two weeks. Easy to install and fits perfectly in my Fluval filter. No strange odors or discoloration since using them.
Audrey Allan –
I’ve used these in both freshwater and saltwater setups. The water stays clearer and smells better. The pack includes three inserts, which is enough for a medium-sized tank. Slight improvement in color stability.
Steven Davies –
Great value for the price. Installed them in my saltwater tank and noticed a reduction in fish odor. The filter runs smoothly and the carbon doesn’t clog easily. Will buy again.