Seachem Flourish Nitrogen Pond pumps filters Proven for millions of times:

Proven for millions of times: Bioflow M / filter system

Tube Holder: Quick-connect tips included

white x 1 (includes 3 starfish)Marble Pebble Set

Treatment Type: Biochemical nutrient reducer

Seachem Flourish Nitrogen Pond pumps filters Proven for millions of times:Seachem Flourish Nitrogen is a concentrated blend of nitrogen sources. It provides nitrogen in both the nitrate form and the plant preferred ammonium form. However free ammonia is not released, as the ammonium in Flourish Nitrogen is a complex compound and not available until used by aquatic plants. It does provide nitrate however, so plants that utilise nitrate have a ready supply. Flourish Nitrogen is phosphate free so lessens the risk of heightened