Can you use this pad with a quiet flow filter? I have a 10gal tank with a 10-20gal filter.

It's designed to fit exactly in a Fluval C4....not sure it will fit your need..

Can I use c2 nodes in a c4 filter

Sorry, I haven't a c4filter, I have only a c2 and a c3 filter. But it's very useful for them.

how often do you change the carbon filters

I change them every 2-3 weeks, but I have very large African Cichlids and they can be messy. After they absorb to their capacity they are no good anyway, so you need to change them, but they do a very nice job keeping the water clear. You should also check out the C4 Zeo-Carb 3-pack. I switched to those and they offer the carbon plus ammonia absorbtion which has worked great for my tanks. They are a little bit more expensive than the plain C4 Carbon 3-pack, but still cheap overall.

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C4 Carbon - 3-Pack

Product ID: 6811985

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🐟Healthy aquatic environment

💧Improves water clarity

🧼Absorbs impurities

Description

🌊 Dive into clarity with Fluval C4 Carbon!

ODOR FREE OASIS - Say goodbye to unpleasant smells and hello to freshness.
EASY REPLACEMENT - Seamlessly fits into your Fluval C4 Power Filter.
CRYSTAL CLEAR WATERS - Transform your aquarium into a pristine paradise.
FISH FRIENDLY FORMULA - Create a safe haven for your aquatic friends.
VERSATILE COMPATIBILITY - Perfect for both freshwater and marine setups.

The Fluval C4 Carbon - 3-Pack is designed to enhance your aquarium's water quality by effectively absorbing impurities that cause discoloration and odors. This replacement media is compatible with the Fluval C4 Power Filter and is suitable for both freshwater and marine environments, ensuring a healthy habitat for your fish.

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