Has anyone used JBL's "7 Kugeln" (7 Balls, a type of root tabs) in their tanks? : r/PlantedTank
JBL 7 ball kugeln root fertilizer water plant food plant growth promote 1 year long effect|food usb flash drive|plant of the dayfood and non food - AliExpress
Reviews about JBL 7 + 13 Balls - 20 Fertiliser Balls for Plant Roots
JBL 7 ball kugeln root fertilizer water plant food plant growth promote 1 year long effect|food usb flash drive|plant of the dayfood and non food - AliExpress