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Flower Child Reviewed by Flower Child on . Ozone Water Treament way to GO!!!! These are getting very affordable now with small aquirium units that work well for hydro... also increase O2 Now you can run w/o chillers utilize higher res temps for better root growth and nute/gas exchange, no chemicals... a must for large systems.. If you have ever had gnats or pith you know what I mean! FC http://www.enaly.com/OZX-200AT.htm Rating: 5