Evolution Aqua Kalnes K1 Filter Media t8 The substrate consists of a

The substrate consists of a premium blend of sand enriched with natural iron and micro-nutrients

Key Features: Maintains marine pH precisely at 8

It offers a reliable way to assess water quality and maintain optimal conditions for fish

and built for ease of use

Evolution Aqua Kalnes K1 Filter Media t8 The substrate consists of aEvolution Aqua K1 Media is a high performance filter media engineered specifically for pond filtration systems, focusing on enhancing the nitrification cycle. The K1 Media is designed to optimise the active surface area, facilitating the colonisation of beneficial bacteria necessary for reducing ammonia and nitrite levels in pond water. Its innovative design not only supports the growth of bacterial colonies but also promotes self cleaning, allowing