Biological filter
Suggestions for Biological filter
Natural volcanic rocks in red color, 10-30 cm size, weighing 25 kg, for decorative purposes.
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vidaXL black volcanic rocks, 1-2 cm size, in a 10kg package. Perfect for aquariums, landscaping or gardening projects.
Specially designed filter medium for simultaneous mechanical and biological water purification The material is p H-neutral and without water hardeners Suitable for fresh and marine water
Decorative volcanic rocks in black, 1-2cm size, weighing 25kg, for gardening and landscaping use.
Filters