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PremiumSub provides the most ideal environment for the cultivation of denitrifying bacteria
Hel-X Biomedia – An extremely large protected settlement surface (800m²/1000 liter) that allows beneficial bacteria to grow and thrive
Gray Coast™ is sold dry: this bag contains 35% more gravel than a bag of wet gravel of equal weight
Use 10 capfuls (50 mL) for each 400 L (100 US gallons) on the first day with a new pond
Aqua One PremiumSub Ceramic Biological Media 650g juwel spare parts PremiumSub provides the most idealAqua One PremiumSub is an extremely porous sintered glass biological media that can be used in all types of filtration systems such as pressurised canister filters, hang on filters, internal filters, and wet dry filters. PremiumSub provides the most ideal environment for the cultivation of denitrifying bacteria, due to its porous nature. PremiumSub is a key component to a healthy and productive biological filtration system. Suitable for: both
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