Atlantic Water Gardens Basalt Columns Size:36" 25 ppm of toxic ammonia

25 ppm of toxic ammonia per 360 gallons of pond water by forming an irreversible complex to reduce free ammonia to safe levels

Able to handle flow rates up to 3

Oxidizes and Detoxifies

deformation and callbacks

providing efficient biological and mechanical filtration

Atlantic Water Gardens Basalt Columns Size:36" 25 ppm of toxic ammoniaMPN: 91802, 73778, 73779, & 73780 Attractive natural stones are drilled to create overflowing water features Hexagonal pillars have a sawn base for stability and snapped top that emphasizes the stone Volcanic basalt oxidizes to form attractive multi colored patina over time Atlantic's Basalt Columns are generously core drilled to 1. 375" to fit up to 1" Sch 40 PVC or 0. 75" kink free tubing plus a light cord A 2" diameter, 5" deep socket at the top