I have allot of green moss growing within a large patio area and pool surround of interlock stones. I have tried to kill it on three separate occasions with: 1.) boiling water, 2.) vinegar, etc.
Answer:
Your local nursery will be able to help you and hopefully it will be with an environmentally friendly product.
Courtesy of Ren Molnar, Construction Consultant at HomeFocus.com. I can also be reached at (613) 748-3003 and Home Focus phone-in is broadcast live 8 to 10 A.M. (Ottawa, Ont. time) on Saturdays on www.cfra.com.