When should I move up to a harder reed strength?Updated 2 months ago

As you progress on your instrument, your embouchure muscles strengthen, and your breath control improves. Signs that you might benefit from a stronger reed include: the current reed feels too easy to blow, you’re over-saturating it with air, or the tone starts to get spread and lacks depth even when your technique is good. If you find yourself wanting more resistance to push against for a fuller sound, it’s time to try the next strength up. For example, if you began on a 2.5 and after some months of practice it now feels like you could use more support, try a 3.0. A harder reed (within reason) can enrich your tone and provide more dynamic range once you have the chops for it.  

Many players move from 2.5 to 3.0 as they exit the beginner stage. Later on, some may move to 3.5 or 3.75 if they seek even more resistance for a powerful sound. 

The key is to move up gradually. If 2.5 is easy, go to 3.0. If that becomes easy, 3.25 or 3.5, etc. When you switch, give yourself a little time to adjust to the new strength – initial fatigue is normal, but if after a few practice sessions you handle it well and prefer the sound, then that new strength is right for you. If it consistently feels like you’re working too hard, drop back down.  

Légère’s exchange policy can help here: if you buy a reed that’s too hard, you can swap it for a softer one.