NQA
Active Water Treatment
Environmental & sustainable water treatment by Marine Biologists

1000`s of pages of practical  information & products
possible solution to
global warming 

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 |  AFM  |  oxygen probes  |  air diffusers  |  ozone  | mechanical filtration | swimming pools | chemical products | filtration media | biofilter media | safe drinking water |

AFM
Active Filter Media
Drinking Water & WastewaterAquaculture & Aquaria & lakesChemicals, flocculants & biofilter mediaInstrumentationResearch & Development
   
solves many water quality problems around the worldOur system could eliminate 3% of all disease in Europe and save costswater treatment for closed system aquacultureAPF NoPhos and products to improve water qualityUK's largest O2 probe manufacturerglobal warming and algae biofuel
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pair of dolphins

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DrydenAqua Ltd, Butlerfield, Bonnyrigg, Edinburgh EH19 3JQ, Scotland. Copyright 1997
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http://www.drydenaqua.com

water samplers
float switches NitroBac bacteria for filter start up
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 Sailing in Scotland