Filter media- from activated carbon to zeolite
The filter is the heart of the aquarium. It is not only responsible for water circulation, but also provides valuable services in combination with filter media. Read more »
Humic substances - the unknown wonder weapon in the aquarium
They are often confused or simply equated, but there are important differences: Humic substances and tanning agents have an important role to play in water care, but hardly anyone really knows what they do. We have investigated and discovered some exciting facts. Read more »