NQA
European Commission project  for your
afm logo of dryden aqua active filter media

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Environmental & sustainable water treatment to save the planet
Trade marked and Patented
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Large seawater lagoons and lido systems now possible with the minimum of filtration when ACO, NoPhos and APF products are used to treat the water.   Perfotmance factor of public swimming pool systems reduced to less than 2 giving an 80% to 90% reduction in chlorine consumption.
Filtration Media Index 
DFM
denitrification media
MagpHlow catalyst,
manganese dioxide
ammosorb  Zeolite ammonium filtration and stabilisationactivated carboncrushed glass filter media
for pH regulation, prevents acidic condition in drinking water system, aquaculture and water treatmentCatalyst manganese   

 Crushed Glass Filter Media CGFM   like AFM is manufactured from glass as a raw material but it is like comparing sand with zeolites, or anthracite to activated carbon. CGFM  and AFM are two complete different products and should not be confused.  A basic crushed glass product such as CGFM should not be used in  aquaculture, swimming pools or drinking water treatment.  Only certified filtration media or chemicals should be used for water treatment when the water is in contact with animals or used for human consumption.