Fluval Biological Aquarium Cleaner, 4 oz (120 mL) Saltwater Substrate High nitrate levels in your

High nitrate levels in your aquarium indicate a build-up of fish waste and organic compounds

otherwise leave in place until levels begin to climb again

For optimal filtration

it is the elliptical black spots on the red-brown leaves that have given this plant the name 'Ozelot'

Clear-Carb combines the benefits of Carbon and Clearmax for fresh and saltwater aquariums

Fluval Biological Aquarium Cleaner, 4 oz (120 mL) Saltwater Substrate High nitrate levels in yourFluval Biological Aquarium Cleaner helps reduce aquarium maintenance by cleaning gravel, power filters, decorations and interior surfaces. It reduces organic waste due to overfeeding, fish waste and other decaying material such as plant leaves. It is especially beneficial for goldfish, cichlid, and heavily populated aquariums. To further help ensure optimal water quality, use this product with Fluval Biological Enhancer to prevent and control