Bolbtis heudelotii Congolese water fern this powerful rhizome covers stones and roots like a carpet along the banks of rivers and streams. The plant when inside the aquairum is green, transparent and wonderfully ornamental. Avoid strong light for this plant as it prefers the shade and movement of water so near a filter. CO2 keeps the leaves a lush green, do well when tied to wood and rocks. 1 plant supplied with ceramic weight. Plants are incubated in a solution of 0.01% of the insecticide Buprafezin for one hour (Please do not just drop these in a shrimp tank or with any other crustacean. To use these within a tank please wash in water with baking soda under light. These are treated to remove the insecticide but there are cases where this has not been fully removed causing casualty’s in crustacean.