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Ok I'll try that. It's a very weird thing. As of right now it is working but every once in a while I'll turn it on and the output will be really low and super fizzy. I short the circuit where I marked in the original post and it'll jump to life like I had just turned it on. It is very odd. I'm waiting until it does it again to get another voltage reading to see if it is different.

You're right. Whoops. I've gone ahead and corrected the voltages. I have no idea what is wrong then. hmmm

Alright I got the voltages:

IC 1 (TL072BCP)
1 - 4.57
2 - 4.57
3 - 3.51
4 - 0
5 - 4.56
6 - 4.57
7 - 4.58
8 - 9.16

IC 2 (TL072BCP)
1 - 4.58
2 - 4.57
3 - 4.57
4 - (-8.83)
5 - 4.57
6 - 4.57
7 - 4.57
8 - 16.75

IC 3 (7660SCPA)
1 - 9.16
2 - 4.59
3 - 0
4 - (-4.38)
5 - (-8.58)
6 - 4.58
7 - 7.00
8 - 9.16

Thanks in advance for the help!

Man, my multimeter just had to die the night I really need it. ha ha. I did not make any substitutions, I built it exactly like the project file describes it using the single sided board. I'll try to get some voltages as soon as my multimeter is working. Is there anything else I can try in the meantime?

I just finished building a sunking and it worked fine at first, but then when I came back to test it again I was  getting a really low fizzy output sound with and without the pedal being active. After much fiddling and frustration I found that if I short my board at a certain point (by quickly tapping the two points with a short piece of wire) it would go back to normal and stay that way for a bit. I can't figure out what could be causing this to occur and would much appreciate any insight at all.

Below I have circled the two points I mentioned in my post.