AFM Grade 3 Coarse 2-4mm
- AFM has undergone a patented three-step chemical activation process
- AFM has up to 300 times more surface area than sand
- AFM is fully biofilm resistant and self-sterilising.
- The AFM process eliminates shards so, unlike other crushed glass media, it will not cut handlers
- AFM can trap 30% more organic substances
- With AFM there is no home for bacteria, viruses or other pathogens which can be harmful to swimmers.
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