JBL StabiloPond Basis 2500 L

"Basic care product for all garden ponds • The absolutely vital basis for successful pond care without algae problems. • Creates a natural biotope-like climate in the pond, with stable KH, GH and pH levels suitable for the species. • Is the life insurance for fish and other pond life. • Adds vital bio-materials to the pond. • Simply scatter in 100 g granulate per 1000 l pond water. "