Dupla Hobby Alder Cones 50Pk lps while improving solids handling and

while improving solids handling and cleaning efficiency—making it the perfect upgrade for high-performance filtration systems

Auxillary port for peripheral devices (e

Advanced Germicidal UV Filtration for Crystal Clear Water

Dimensions: 520mm x 100mm x 140mm

multi-purpose reactor engineered for long-term use in both home and commercial aquariums

Dupla Hobby Alder Cones 50Pk lps while improving solids handling andDupla Hobby Alder Cones Naturally harvested from untouched black alder trees (Alnus glutinosa), Dupla Hobby Alder Cones are a rich source of humic and tannic substances beneficial for aquarium health. They gently lower pH, improve water clarity, and create a natural blackwater environment ideal for many tropical species. These cones help inhibit harmful bacteria and fungal spores, making them especially useful during breeding by protecting eggs and