• Biological FIltration

    Biological FIltration

    Date: 18-01-2018
    Biological Filtration. “Mother Nature in a box” why it is so important for healthy fish keeping. There are many pond filters available on the market today and it can be rather confusing when it comes to choosing a filter that is suitable for your pond, in this article we will discuss external pressurised, gravity pond filters, their pros and cons.