This Will Fix Your Tuning

If your guitar won’t stay in tune, keeps going flat, or buzzes on the first fret, the problem is often the nut slot height. In this video, I show you how to check your nut slots using the third‑fret test, how much clearance you should see, and how to fix nut slots that are too high or too low. This works on electric and acoustic guitars and is one of the fastest ways to improve tuning stability and playability.
If you’re buying a guitar, I’ll show you how to test nut height in the store before you spend money. If you already own the guitar, I’ll walk you through the tools and techniques to safely adjust the nut slots at home using a business card, feeler gauges, or nut files

What You’ll Learn
- How to check nut slot height in seconds
- Why your guitar goes flat or won’t stay in tune
- How to do the third‑fret test correctly
- How to use a business card or feeler gauge
- When to file the nut — and when NOT to
- How to avoid damaging the nut or frets
- Tools that make nut slotting easier and safer

Tools Used
• Business card or feeler gauge
• Nut slotting file
• Tuner

Chapters
00:00 – Why Your Guitar Won’t Stay in Tune
00:14 – What to Check Before Buying a Guitar
00:30 – Third Fret Nut Test Explained
00:57 – Proper Nut Slot Height
01:02 – Check Nut Height With a Card
01:09 – Feeler Gauge Nut Setup
01:34 – Visual Nut Slot Check
01:40 – Fixing Nut Slot Problems
01:43 – Nut Slotting Tools You Need
02:06 – Music Nomad Nut Files
02:18 – Needle Files for Nut Work
02:46 – How to File Nut Slots Safely
03:25 – Re‑String, Re‑Tune, Re‑Check
04:17 – Final Nut Slot Results

Why This Matters
Nut slot height affects tuning stability, intonation, action, and the overall feel of your guitar. A nut that’s too high makes chords play sharp and the guitar feel stiff. A nut that’s too low causes buzzing on the first fret. This video shows you how to diagnose both issues and fix them safely with simple tools

About the Channel
I make clean, cinematic, no‑nonsense guitar tech tutorials that teach you why things work — not just what to do. If you want to understand your instrument, improve your tone, and learn real setup skills, you’re in the right place.

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Affiliate Disclosure: As an Amazon Associate, I earn from qualifying purchases

Thanks for Watching
If this helped you understand or fix your nut slot height, hit subscribe — more setup guides, tone tips, and repair walkthroughs are on the way.

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Видео This Will Fix Your Tuning канала Thatch