Dennerle Black Cones

ALDER CONES
Black Cones

With valuable humic and tanning substances which protect and benefit aquarium fish by natural means.

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
Ideal for fish from black water regions, such as discus, neons, scalares, dwarf cichlids, long-whiskered catfish, etc.