GlasGarten – Liquid Humin+ No 1Liquid Humin+ No. 1 adds the necessary humic and fulvic acids to the aquarium water and thus creates species appropriate conditions for your aquarium inhabitants. Humic substances are ubiquitous in shrimp and fish habitats and have a direct positive impact on the animals. They are needed in particular to cope with stress and for immune defense. suitable for all aquarium inhabitants for important humic and fulvic acids increases vitality and well being