ACUREL NITRATE REDUCING PAD

Quickly reduces and maintains safe levels of nitrates. Effectively removes all organic particles, foreign debris, excess food and waste. Thick, rigid design creates tighter fit, holds shape longer, decreases water pass-through and extends life of pad. Can be cut to fit any aquarium or pond filtration unit. Promotes beneficial bacteria colonies for a healthy aquatic environment. Size:??10" X 18".