Marine Pure Block 20 x 20 x 10cm

Maximise the efficiency of your aquarium or pond filtration with Marine Pure, the ultimate bio-media for beneficial bacteria. Despite the name, it’s suitable for freshwater, marine, and pond environments, providing a safe and effective way to eliminate ammonia, reduce nitrates, and maintain stable water chemistry.

Why Choose Marine Pure?

• Promotes rapid growth of beneficial bacteria to remove harmful fish waste

• Reduces tank or pond maintenance while supporting higher fish loads

• Lowers nutrients that fuel algae growth

• Provides consistent water chemistry for a healthier aquatic environment

• Easy to cut, shape, and fit into a variety of filter systems

Thin Bio-Film Technology™

• Vast surface area and interconnected pores allow a thin, active bio-film to flourish

• Nutrients are immediately available to bacteria, while old bio-film naturally flushes out, preventing clogging

• Water flows through the media, maximising biological filtration compared to denser alternatives

Versatile Applications

• In-tank, sumps, or DIY filters

• Canister, hang-on-back, trickle/shower, and waterfall filters

• Suitable for freshwater, marine, and pond setups

For clean, pure water with minimal effort, trust Marine Pure Bio-Media — the high-performance solution for healthy, thriving aquatic systems.