with valuable humic and tanning substances which protect and benefit aquarium fish by natural means ideal for fish from black water regions, such as discus, neons, scalares, dwarf cichlids, long-whiskered catfish, etc.
100% nature
for aquarium water similar to the natural tropical aquatic habitat
promote well-being, vitality and spawning instincts
prevent fungal diseases and spawn mould in fish
have a slight acidifying effect and stabilise the pH value