R rob dos Member Jun 15, 2010 #21 You can find it at any local pharmacy. Yes, you should use it, each and every time you water your plants. It is totally safe and leaves no residue. It is converted entirely to oxygen and water.
You can find it at any local pharmacy. Yes, you should use it, each and every time you water your plants. It is totally safe and leaves no residue. It is converted entirely to oxygen and water.