Overnight or 24 hours. Add a cap of peroxide in a 12 bottle of water. I prefer that to roughing them up lightly with high grit Sand paper. Theres all kinds of ways so find the best way for you. Good Growing
Overnight or 24 hours. Add a cap of peroxide in a 12 bottle of water. I prefer that to roughing them up lightly with high grit Sand paper. Theres all kinds of ways so find the best way for you. I use rain water . I don't like chlorine or having to ph my water.Good Growing