Top Biological Substance

Fluval C4 Power Filter, Fish Tank Filter for Aquariums up to 70 Gal.

• 5-stage clip-on power filter designed for freshwater and saltwater aquariums between 40 and 70 gallons.
• Two mechanical stages trap large and fine debris, foams easily slide out for quick cleaning.
• Chemical stage with activated carbon effectively removes toxins.
• Biological stage features Bio-Screen pad, blocks debris and provides massive surface area for beneficial biological activity.
• Biological Trickle Chamber super charged for fast and efficient nitrification when loaded with Fluval C-Nodes.

Fluval C2 Power Filter, Fish Tank Filter for Aquariums up to 30 Gal.

• 5-stage clip-on power filter designed for freshwater and saltwater aquariums between 10 and 30 gallons.
• Two mechanical stages trap large and fine debris, foams easily slide out for quick cleaning.
• Chemical stage with activated carbon effectively removes toxins.
• Biological stage features Bio-Screen pad, blocks debris and provides massive surface area for beneficial biological activity.
• Biological Trickle Chamber super charged for fast and efficient nitrification when loaded with Fluval C-Nodes.

Fluval C3 Power Filter Fish Tank Filter for Aquariums up to 50 Gal.

• 5-stage clip-on power filter designed for freshwater and saltwater aquariums between 20 and 50 gallons.
• Two mechanical stages trap large and fine debris, foams easily slide out for quick cleaning.
• Chemical stage with activated carbon effectively removes toxins.
• Biological stage features Bio-Screen pad, blocks debris and provides massive surface area for beneficial biological activity.
• Biological Trickle Chamber super charged for fast and efficient nitrification when loaded with Fluval C-Nodes.

Drain Gel Drain Organic Cleaner-1 Quart 677825

• Designed to block the production of odors frequently occurring in drain lines, sewer lines and grease traps..
• Formulation incorporates specialized microorganisms in combination with biological support ingredients and essential growth factors..
• The most effective solution is the use of a highly concentrated biological product with specially selected bacteria strains..

Drain Gel Drain Organic Cleaner-1 Gallon 679525

• Designed to block the production of odors frequently occurring in drain lines, sewer lines and grease traps..
• Formulation incorporates specialized microorganisms in combination with biological support ingredients and essential growth factors..
• The most effective solution is the use of a highly concentrated biological product with specially selected bacteria strains..

Fluval Biological Enhancer for Aquariums (2 Pack)

• 2 Pack of Fluval Biological Enhancer for Aquariums - 16.9oz Each.
• Immediately establishes safe biological aquarium environment.
• Powerful responsive ammonia and nitrite elimination.
• Allows immediate introduction of fish, For Fresh and Saltwater Use.

Fluval C4 Bio-Screen - 3-Pack

• Replacement media for the Fluval C4 Power Filter.
• Bio-Screen provides an ideal surface area for biological activity to occur.
• Works to block debris and create an easy water flow.
• Custom fit biological and chemical filter media for the Fluval C3 Power Filter.

Roebic CA-1 Bacterial Compost Accelerator, 2.5 LBS

(9 Pack) Fluval C4 Bio-Screen - 3 Packages with 3 Screens per Package

• 3 Pack Of Fluval C4 Bio-Screen - with 3 Screens per Package..
• Evenly distributes water flow into the C-series Trickle Chamber for additional biological filtering..

Aquascape 29082 UltraFalls Skimmer Filter Mat for Pond Water Feature Waterfall Landscape and Garden by Aquascape

• Replacement filtration for standard-sized Aquascape Pond Filter Urn.
• Ceramic beads provides biological filtration.
• Filter mat provides mechanical filtration.

Zoo Med Turtle Clean External Canister Filter, 50-Gallon

• External canister filter with slimline design for tight spaces.
• 200 gallon per hour rating, ideal for turtle habitats up to 50 gallons in size.
• The included spray bar increases oxygenation to help support your turtles' health.
• Double filtering system with both carbon and ceramic filters and internal biological recirculation.
• Combines mechanical, biological, and chemical filtration to give your pets the cleanest, healthiest habitat.

Fluval Foam Filter Block A226 - For 404/405/406 12-Pack - Retail OEM

• Biological and mechanical aquarium filtration.
• Designed specifically for Fluval 404/405/406 canister filters.
• This media is suitable for use in both freshwater and saltwater aquariums.
• Traps waste and debris from your fish tank's water and maximizes biological filtration while maintaining even flow.