Eheim Aktiv Activated Carbon

$5.67 ~~$7.99~~ In stock

EHEIM AKTIV – High-Performance Activated Carbon

EHEIM AKTIV is a premium activated carbon filter media that quickly removes toxins, odors, and medication residues from aquarium water. It helps eliminate discoloration and harmful substances, leaving your tank clear, fresh, and healthy for fish and plants.

Ideal for use after treatments or when water quality needs a fast boost, EHEIM AKTIV delivers reliable, high-purity filtration for both freshwater and marine aquariums.

Key Benefits:

Absorbs chemicals, toxins, and odors
Removes medication and impurities
Improves water clarity
Suitable for freshwater and saltwater aquariums

A powerful solution for cleaner, safer aquarium water.

Sizes:

250ml - 140g
1L - 560g
2L - 1120g

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Customer Reviews (4.8 / 5 · 4 reviews)

Lily W. ★★★★★ Oct 21, 2026

The granules are really clean and dust-free compared to other carbons I've tried, so my water stays crystal clear right from the start. It pulled out a lingering fishy smell from my tank in just two days.

Harper B. ★★★★★ Oct 19, 2026

The water stayed crystal clear even after I overdosed medication for ich, and the carbon pulled the smell out within a day. It's a bit pricey for the bag, but I only had to replace it every few weeks with my bioload.

Robert ★★★★★ Oct 18, 2026

My tank cleared up noticeably within a few hours of dropping this carbon in, and the water has stayed crystal clear for over a week now. It's definitely doing a solid job pulling out odors and any leftover medication.