Potted and cut. We also have a few baubles Starting price £40
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An extremely porous filter media made from tinted glass, CrystalMax will help you achieve the best performance per litre of filter volume. With its large surface available for bacteria to grow (275m per litre) Crystal Max acts like a sponge to micro-organisms.
Harmful substances will be decomposed thanks to both aerobic (high oxygen) and anaerobic (low oxygen) filter processes.
