Fibrous algae are long, green threads; slimy algae look like yellow-green floating clouds in your pond. There are good remedies against these algae.
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.