Fish & Co. is really gonna give you a coupon to redeem a $1 Fish & Chips when you spread the Earth Hour love through their promotional page today. Once you done that, they will send you the $1 coupon valid only from 29 Mar to 30 Apr limited to one redemption per coupon per table.
So what are you waiting for, start spamming your friends!
Update 7th April: Fish & Co. has stated that they have reached 10,000 redemptions. This offer is no longer valid.