Colombo Natura substraat 25 ltr. 05030050
Colombo Natura substraat 25 ltr.
Natural substrate for a biologically active pond bottom The biological balance in a pond is a prerequisite for good water quality. The best and easiest way to ensure this is to cover the pond bottom with Colombo Natura Substrate, which functions as one large biological filter. The large porous grain with an open structure forms a large surface where billions of bacteria can grow. These bacteria will purify the water and keep it healthy. The open and porous nature of Colombo Natura Substrate also makes it very suitable as a biological filter material.
The open and porous nature of Colombo Natura Substrate also makes it very suitable as a plant medium or biological filter material. For a layer of 2.5 cm thick on 1m2 you need 25 liters of substrate.
Please note: The gravel will not be shipped.
