If i bleach my decking to get off the green mold then wash with hose would the bleach affect my grass?

i have grass all the way round my decking.If i bleach my decking to get off the green mold then wash with hose would the bleach affect my grass?
Yes it would affect the grass. Use a pressure washer.If i bleach my decking to get off the green mold then wash with hose would the bleach affect my grass?
try using a pump up sprayer instead and mix it about 50 50 spray away from the grass toward the deck.