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 |

Google map directions

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1. From the Edinburgh ring road A720, travelling east, take the last exit off the Sheriff Hall round-about, A7 heading south away from Edinburgh.

2. Stay on the A7 through a series of small round about until you come to the mining village of Newton Grange

3. Pass the Lady Victory coal mining museum

4. At the traffic lights cross-roads, take a right

5. Dryden Aqua are located 100 yards down this road on the right hand side in Butlerfield industrial estate