Micro-organisms are the key to clear water and a natural balance in the pond. They don't grow freely in the water, they need a surface where they can attach to. To get a stable pond environment, it is important to use the right bottom material.
As of 25 May 2018, our policy complies with the European Union's new general data protection regulation (GDPR). Velda has updated its privacy policy to provide you with more information about how Velda protects your privacy, including information about how you can exercise your rights relating to data.
