FitMatch
Aqua One Carbon Cartridge 196c (25196C)

Aquarium filter media

Aqua One Carbon Cartridge 196c (25196C)

25196C

Fits 5 models · replace every 2 months

Wrong part, or your model missing? Tell us. A person checks every report.

Genuine

$4.94 each

2-pack $9.88

Aquarium Spare Parts · 29 Oct

Compatible

See seller

No compatible seller tracked yet

Genuine: made by Aqua One. Compatible: another brand.

Lowest price · $4.94 each · 2-pack $9.88

Aquarium Spare Parts. Every seller we track is listed below. Some links earn us a commission.

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AUD, before delivery. Each price shows when it was checked.

Aquarium Spare PartsGenuine · checked 29 Oct$4.94 each2-pack $9.88Open
PETstockGenuine · checked 27 Oct · out of stock when checked$6.25 each2-pack $12.49Open
Open cheapest seller · $4.94 each · 2-pack $9.88

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How to change the 25196C aquarium filter media

Watch the guide or follow the steps.

Aqua One HFX Hang on Filters · Aqua One (official)
  1. 1Unplug the filter at the power supply and take it to a sink with a bucket of water from your aquarium.
  2. 2Remove the lid and lift the carbon cartridge out, letting the water drain. Slide the sponge out of the carbon cartridge and rinse it gently in the tank water by squeezing.
  3. 3Rinse the carbon cartridge by shaking it under the water in the bucket. Aqua One says the ceramic cartridge (HFX 100, 150 and 200) is not taken out at routine cleans or cleaned with tap water.
  4. 4Fit a new carbon cartridge every 6–8 weeks. Aqua One says to rinse new carbon well first (tap water or discarded aquarium water is fine for it), then slide the sponge into it.
  5. 5Tip the dirty water out of the filter body, hang the filter back in place and refill it with aquarium water. Refit the lid, plug it in and check that water flows.
Every number this part goes by
Retail name:
196C
Retail name:
25196C

Sellers list any of these; they are the same part.

Will it fit your appliance?

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Fits these 5 Aqua One models
Common questions
What does the 25196C fit?
The Aqua One Carbon Cartridge 196c (25196C) fits 5 Aqua One models, including the Arena 70, HFX 100 and HFX 150. Every one is listed on this page.
How often should I replace the 25196C?
Every 2 months. It works less well as the filter fills up, so it's worth doing on time.
Where can I buy the 25196C in Australia?
We track 2 Australian sellers for the 25196C; the lowest listed price when we last checked was A$4.94 at Aquarium Spare Parts. Prices are re-checked daily and dated on this page.
How do I fit the 25196C?
No tools, a few minutes: 5 steps, listed on this page with the replacement video where the maker has one.
What happens if I don't change it?
Spent carbon stops removing odours and discolouration, and clogged pads slow the flow, so the filter moves less water through the tank.

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