Hydra Aquarium Filter Marine and Freshwater Aquariums

Hydra Aquarium Filter Marine and Freshwater Aquariums

Hydra Aquarium Filter Marine and Freshwater Aquariums

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Hydra Aquarium Filter Marine and Freshwater Aquariums

Meet the revolutionary filter that does not need prior cycling.

The food remains of the fish, the feces and the decomposed of the plants, are transformed into ammonia, being a lethal poison for the fish.

The usual way, through a month of cycling without fish in the water, is to let the bacteria that convert ammonia into nitrites and then into nitrates settle.

The Hydra Filter oxidizes and removes organic substances that cannot be removed, leaving the water clean and crystal clear.

With this filter you will NOT need to have activated carbon, it acts directly fighting algae, the turbidity of the water.

The method used by Hydra is the ionization of the molecules, so they clump together and precipitate.

Click here to see the report of the University of Barcelona

Water changes will be greatly reduced as the Hydra Filter removes Ammonia and Nitrites very efficiently.

The Hydra filter is fully compatible with nano aquariums and large aquariums.

Internal purifier for marine and freshwater aquariums with Hydro-Pure technology that effectively maintains water quality, thus reducing the frequency of changes.

This filter has 3 filter elements :

  • In the biological and mechanical, the sponge it contains traps the debris in suspension . Thanks to its great porosity, it favors the colonization of its surface by beneficial bacteria.

  • It has a biological chamber to which filtering materials can be added, such as bio-beads, 3dmpro, peat , etc. (not included)

  • Lastly, it contains a special carbon electro-catalyst with metallic additives. When placed between the titanium plates, the Cat-Pure cartridge exponentially increases the generation of radicals from the Hydroxyl reagent.

The 3 stages of filtration

  • In the first stage organic nutrients (proteins), ammonia, nitrites, nitrates and phosphates are retained .

  • In the second, the electrolysis is enhanced by means of special Cata-Pure filtering charges, releasing radicals from the hydroxyl reagent of the water, these oxidize proteins, ammonia, nitrites, nitrates and phosphates. They also reduce the odor of sulfur-based derivatives.

  • The third and last stage releases nitrogen and makes water that is biologically clean and safe for the inhabitants of the aquarium.

Available in 3 models





Aquarium capacity

Hydra 20





Hydra 30





Hydra 40





Frequency: 50Hz

Voltage: 220/240V

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1 Question(s) answered

  • Asked by Pablo
    on 10/22/2018
    Buenas tardes, quisiera saber si el hydra 20/6w podría usarse en un acuario de 20 litros, estoy iniciándome con un acuario pequeño para luego pasar a uno de entre 50/80 litros. Answer:
    Estimad@ Client@, Para un acuario de 20 litros le recomendamos mejor "el filtro interior Hydra Nano Plus", que puede tratar acuarios de 20 litros y hasta el máximo de 50 litros , lo podríamos solicitar para usted, póngase en contacto con nosotros en caso de que esté interesado. Dpto e-commerce
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