Yellow / brown spots on leafs newbie help

[tomcromp]

i stated he runoff there:
Ph of runoff water: 5.82-6.27
is that ok?

[Greenthing]

Between 6.5 and 7.0 is good Tom.:thumbsup:

[tomcromp]

but mine is between 5.82-6.27 does that mean i have to raise it bit?

[stinkyattic]

but mine is between 5.82-6.27 does that mean i have to raise it bit?

What do YOU think?