AN experimental bio-filtration system on a Gwynedd farm is removing up to 95% of the pollutants in dirty yard run-off water. Provisional results are so good that Glyn Robertss landlord, the National ...
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CHEAP DIY POND FILTER BUILD - SIMPLE and EASY!
Instead of buying an expensive Pond Filter you can build your own DIY POND FILTER for CHEAP and EASY! In this video that's exactly what I'm doing. This DIY POND FILTER will be great for Small to ...
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