GJ. I use a 2% SH solution on almost everything. A little more dwell time but as soon as the SH hits the roof it is rapidly losing its residual eating away at whatever organic material it touches. I also stock the truck with pool and spa chlorine sticks with me to check the residual on downspouts but whatever residual is noticed as soon as it hits the dirt its done for..
GJ. I use a 2% SH solution on almost everything. A little more dwell time but as soon as the SH hits the roof it is rapidly losing its residual eating away at whatever organic material it touches. I also stock the truck with pool and spa chlorine sticks with me to check the residual on downspouts but whatever residual is noticed as soon as it hits the dirt its done for..
That is a fun tip about chlorine sticks I never thought of that, that is a great tip I will have to get