These rockwool flakes of medium consistency are well suited for use e.g. in an aqua / water farm or automatically watered in simple pots.

Grodan rock wool has a neutral pH value and should be soaked and rinsed with pH values around 5.5 to 6.0 (never below 5!) Before starting breeding. The 20 kg sack gives a total volume of approx. 440 liters.