Acurel Ammonia Reducing Infused Media Pad block-return-exchange It contains 98% petrolium oil

It contains 98% petrolium oil

Steel shank for added arch support

Not for use in bovine diets

Size:  2 1/2" Shank

Lycra stretch band on inner collar and side slits to move with you

Acurel Ammonia Reducing Infused Media Pad block-return-exchange It contains 98% petrolium oilQuickly reduces ammonia, the number 1 killer of fresh water fish. Reduces risk of disease and stress. Improves water clarity. Effectively removes all organic particles, foreign debris, excess food and waste. Thick, rigid design creates a 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. Size: 10" X 18"