Sera Siporax 1L with Vipan Nature 100ml for free

With sera siporax Professional you help useful cleaning bacteria! The nutrient-utilising bacteria are “activated” when they come into contact with water and multiply in a short time. Sera siporax professional is suitable for use in fresh and saltwater aquariums, but also in the pond. Regardless of the type of external filter (internal 7 external / or trickle filter), you maximise the surface area required for biological cleaning and offer the optimal substrate for the settlement of the necessary filter bacteria. With the sera bio filterstart included in the set, you get cleaning bacteria that are activated biologically immediately after adding the sera siporax professional and start to break down pollutants in the water.