sera Filter wool 250g Aquaforest Two filter cartridges collect organic

Two filter cartridges collect organic waste and provide biological filtration to keep the water healthy for fish and plants

all surfaces need to be solid

Soft corals grow faster and open the polyps wider

and carbonate alkalinity with Reef Builder™ or Reef Carbonate™ (do not mix these directly with a kalkwasser solution)

and fluidized bed type calcium reactors and our ARM™ coarse for rapid upflow type reactors

sera Filter wool 250g Aquaforest Two filter cartridges collect organicsera filter wool for the mechanical prefiltration consists of stable fibers that hold back fine dirt particles for a longer period without sticking or collapsing. sera filter wool can be washed out several times. Suitable for fresh water and salt water filtration.