JUWEL BIO CARB L Substrate Mountain Stone's gritty texture is

Mountain Stone's gritty texture is extremely porous

Replace the poly pad on a weekly basis to keep your aquarium crystal clear

Good for the life of the aquarium

Carbax binds discolorations

JUWEL BIO CARB L Substrate Mountain Stone's gritty texture isJUWEL Carbon Sponges absorb odour compounds and turbidity as well as toxic compounds in your aquarium, leaving the water crystal clear. The fact that active charcoal in the form of a sponge is used guarantees even flow conditions for the filter medium, creating a very large and therefore highly effective surface. Due to these characteristics JUWEL charcoal filters are also perfect for filtering out residual medication after treating your fish.