Bioscape BreakWater Brown 2-4mm Coarse PetWorx Its size and thickness allows

Its size and thickness allows you to easily remove tenacious algae from the sides of the aquarium

use a reduced dosage of 5mL per 40L of aquarium water

ecological and fully safe pigments allowed to create a rock with highly decorative qualities

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Best of all the transition from Nori Algae is a snap

Bioscape BreakWater Brown 2-4mm Coarse PetWorx Its size and thickness allowsNatural Aquarium Substrate Does not affect aquarium pH Triple washed Used by itself or to create scaping highlights Coarse size 2 4mm Allows drainage and water circulation Use under plant soil, layer up beneath other decorative gravel or as base drainage layer in terrariums