can i find a soil runoff ph test kit at a fish/pet store? or like a home depot type of place? if its high/low how do i fix it?

thanks man
glennon111 Reviewed by glennon111 on . something looks wrong idk what it is but the sides of the leaves or upwards, and on one leave theres 2 burn spots. the light is like 3 inches away, maybe 2. why is it doing this? Rating: 5