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Cyo-Control 500ml (#24354).png


Probiotic bacteria to displace cyanobacteria biofilms



Product description

Tropic Marin® Cyo-Control naturally blocks the recurrence of cyanobacteria in the aquarium. After the cyanobacteria have been removed manually, the probiotic bacteria of Tropic Marin® Cyo-Control settle in their place. Once these bacteria have established themselves, they outcompete the cyanobacteria, preventing them from recolonizing the area. The zeolite substrate supports the probiotic bacteria in this process and makes the water extremely clear after a short period of cloudiness.



  • Reliable cyanobacteria prevention after manual removal.

  • Purely natural, based on probiotic bacteria and natural zeolite mineral.

  • Only a few doses required.

  • Binds pollutants and makes the water extremely clear.

  • Can be stored without refrigeration.

  • No antibiotics, no biocides, no toxins



Probiotic bacteria, clinoptilolite mineral, water


Application & Dosage

Siphon off as much of the cyanobacteria as possible before the first application. Dose 50 ml per 100 l (26 US-gal.) water volume and turn off skimmer and UV-C devices for about 2 hours. Repeat the dosing on the 3rd and 5th day after the first application and siphon off any cyanobacteria deposits again beforehand. After a short period of cloudiness, the aquarium water becomes extremely clear.

Important: Shake the bottle well before use!

We recommend Tropic Marin® Reef Actif for the nutrition of additional probiotic bacteria.


Other product recommendations


Frequently asked questions

Answers to frequently asked questions about this product can be found in our FAQ section.

Container sizes

500 ml / 16.9 fl.oz.                                     Art. Nr. 24354


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