Tropic Marin Carbon

Art.Nr. 52-003-25702

Activated carbon for the removal of yellow matter and toxins from the aquarium.

Tropic Marin Carbon contains porous activated carbon pellets. Harmful organic molecules such as humic acids, nettle toxins or drug residues are adsorbed by the carbon and thus removed from the water.

Fields of application:

  • for the removal of yellow matter and thus for clearer water
  • for the removal of nettle toxins and thus for improved coral growth
  • for the removal of drug residues or accidentally overdosed trace elements and thus ideal for your emergency kit

Content: 400 g

16,40 € Incl. 19% VAT. Plus. Shipping

41,00 € / kg

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Active oder passive filtration?

Activated carbon can be used in two different ways in a marine aquarium: via active or passive filtration. In active filtration, the activated carbon is placed in a special reactor or filter through which the aquarium water is 'actively' passed. Passive filtration, on the other hand, involves placing the activated carbon in a mesh bag, filter sock or other container and placing it in the aquarium or sump. Active filtration is the preferred method, as the efficiency is increased due to the active flow through the medium. In addition, the activated carbon is not so quickly clogged by particles and debris.

Recommendations for use of Tropic Marin Carbon

Before you put the activated carbon into your tank, rinse it thoroughly with osmosis water. This will wash off the fine dust that is produced during transport.

For permanent application we recommend to use 400 - 500 g activated carbon per 1000 liters and to renew it every 4 - 6 weeks.

There are no general recommendations how often and in which intervals the activated carbon should be exchanged or replaced. Depending on the organic load and the type of filtration (active vs. passive) there are tolerances. However, a four-week replacement rhythm has proven effective in practice. Activated carbon cannot be regenerated and must be completely replaced. It is even better for the (bio-) chemical balance of your tank if you divide the total amount of activated carbon into several small portions, and replace them alternately on a weekly basis, so that each portion again has a residence time of four weeks. This also has the advantage that you can gradually increase the amount of activated carbon introduced at the beginning.

In case of emergency and acute contamination, e.g. after an accidental overdose of trace elements or after the use of medications in your aquarium, you can use double the amount of activated carbon and replace it after 3 days.

Disadvantages of activated carbon?

Activated carbon can bind iodine very well. You should therefore pay more attention to the iodine concentration in your aquarium and adjust it if necessary, for example with Tropic Marin Iodine


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