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Articles

Undergravel Filtration: The Downflow Method

Undergravel Filtration has been used for many years as the principal means of biological filtration in the marine aquarium and despite the development of newer rival systems it remains the most popular option today. There are two methods available, the first being called ‘The Downflow Method‘.

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Articles

The Strengths and Weaknesses of Undergravel Filtration

Undergravel Filtration has been used for many years as the principal means of biological filtration in the marine aquarium, and despite the development of newer rival systems it still remains the most popular option.

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