Hello and welcome to the forums.
You may want to take a minute and introduce yourself in the new member section here New Member Introductions - #492 by TexasPressureWashing
The product that you have mentioned has been discussed on here previously, but maybe not to your specific needs. A quick search of “gutter grenade” revealed the following threads:
https://pressurewashingresource.com/community/search?q=gutter%20grenade
People on here will help you, they have been more than accommodating to me.
