This is probably a really stupid question but should I take off the plastic wrapping on the rock cubes. The first ones I used did not have that plastic around it and they worked better. Thanks for your help. Willo
willow Reviewed by willow on . rock woold cubes This is probably a really stupid question but should I take off the plastic wrapping on the rock cubes. The first ones I used did not have that plastic around it and they worked better. Thanks for your help. Willo Rating: 5