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Can be used within biological filter for maximum impact
water is caused by tannins that build up in the water
but also oxygenates the water and increases circulation
requiring the barley to be added early in the spring
GC Tek AlphaONE Premium Low Head Bead Filters Model:AlphaONE Low Head 2.50 Can be used within biologicalShips directly from the manufacturer, typically in 1 2 weeks. Ships freight, which extends shipping time and requires you to be present at delivery. Trucking company will call to schedule appointment. The AlphaONE Low Head filter from Grand Champion Technologies (GC Tek) take all the features and benefits of the AlphaONE filter, and reduce the head to allow for lower restriction and higher flow rates. Lower Head These filters reduce water flow
