Fluval Biological Aquarium Cleaner 250ml B2S_2025_20_Dog and heavily populated aquariums

and heavily populated aquariums

For one meal of 300 ml

Each 20 mL bottle delivers about 16 applications (8 sprays / application)

Powerful 150-watt Marina Submersible Aquarium Heater provides reliable heating for fresh or saltwater aquariums up to 150 litres (40 US gal) aquariums

Fluval Biological Aquarium Cleaner 250ml B2S_2025_20_Dog and heavily populated aquariumsFluval 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