Lee's Premium Under Gravel Filter 20L 29 Gallon - 30 x 12 in Pond Test Kits Blending phytoplankton yields better nutritional

Blending phytoplankton yields better nutritional value

Algae Fix is safe for use in ponds

Carbonate & buffer complex for balanced formation of Coral Skeleton

carbonates (alkalinity) and magnesium require regular testing and supplementing

and provides problem-free filter operation

Lee's Premium Under Gravel Filter 20L 29 Gallon - 30 x 12 in Pond Test Kits Blending phytoplankton yields better nutritionalDescription This biological filter has a multi level plate design. The larger plate sizes reduce the number of plates required. The added strength of the UGF plates makes this filter most preferred by saltwater aquarist. The molded gravel guards eliminate the possibility of gravel falling down the uplift tube. Made of special quality plastic which resists splitting and cracking. Includes : Premium Carbon Cartridges Coarse Discard A Stones Telescoping