Water treatment and care product made of 100% natural ingredients. Has been successfully used in fish and shrimp farming and in aquacultures for many years to optimise the water quality. Accelerated growth of useful bacteria facilitates the initial break-in phase of the aquarium. The risk of a nitrite peak is drastically reduced. Binds nitrogens, various heavy metals, chlorine and medicine residue. Stabilises the water quality, provides crystal-clear aquarium water and eliminates unpleasant odours. Fights "brown, gunky algae" caused by bacteria. Ensures fish are significantly more energetic and active and in their finest colours and has a prophylactic and healing effect on bacterial infections. For freshwater and saltwater aquaria and garden ponds.