The extract of oak bark helps to achieve the so-called black water.
Contains humus, tannins, substances that lower the pH and hardness of the water and giving it the characteristic amber color. They also inhibit the development of fungi and bacteria, thus protecting from dangerous infections.
Create perfect conditions for the fish to develop a wonderful color, to mate and lay down quickly, keeping them in excellent health.
QUEREX is recommended for aquariums with Discus, angelfish, South American cichlids, Caracoidei, Gurami and catfish. The best way to intensify the activity of QUEREX is the use with TORFIN.
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