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  1. Alastair

    DIY Project Co2 reactor build for Fluval FX5

    Following an earlier thread regarding my interest in building a DIY reactor for a FX5 filter, I've now taken the plunge and ordered all parts necessary with some help from Mr Ed Seeley (thanks mate). The parts have arrived And this is what I've received. 1. 1 meter of 2 inch PVC pipe (metric)...