Hydration Levels in Sourdough: The Difference Between 65%, 75%, and 80% Dough

I still remember the afternoon I pulled what I thought would be my best loaf ever out of the oven — only to find a dense, gummy crumb that stuck to the knife like wet clay. I had followed the recipe perfectly, or so I thought. Turns out, I had bumped up the water without understanding what I was actually doing to my dough. That disaster sent me deep into researching this sourdough hydration levels guide, and honestly? It changed everything about how I bake. If you’ve ever wondered why your dough behaves so differently from batch to batch, hydration is almost certainly a big part of the answer.

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What Does Hydration Actually Mean in Sourdough?

Hydration, in baking terms, is simply the ratio of water to flour in your dough, expressed as a percentage. If you use 500 grams of flour and 375 grams of water, you’re working with 75% hydration. That’s it. Simple math, but the downstream effects on your dough’s texture, handling, fermentation, and final crumb are anything but simple. Higher hydration doughs tend to produce more open, airy crumbs with that gorgeous lacework you see on Instagram. Lower hydration doughs are easier to shape, more forgiving, and often better for beginners. Neither is inherently better — they’re just different tools for different goals.

It’s also worth noting that hydration interacts with your flour type. A bread flour with high protein content can absorb significantly more water than an all-purpose flour, and whole wheat flour is thirstier still. So when you read a recipe calling for 80% hydration, always consider what flour is being used before you assume your dough should behave the same way.

Breaking Down 65%, 75%, and 80% Hydration — What to Expect

65% Hydration: Your New Best Friend as a Beginner

A 65% hydration dough is stiffer, more cohesive, and dramatically easier to handle than its wetter counterparts. When you mix it, it comes together quickly and doesn’t stick aggressively to your hands or your work surface. Shaping is a genuinely pleasant experience — the dough holds tension beautifully and cooperates when you’re trying to build that tight outer skin. The resulting loaf typically has a tighter, more uniform crumb, which is actually ideal for sandwich bread or toast. Don’t let anyone tell you a tight crumb is a failure. A perfectly baked 65% loaf with a crackly crust and tender interior is deeply satisfying.

If you’re new to sourdough or you’ve been struggling with sticky, unmanageable dough, I genuinely encourage you to start here. Get your timing and fermentation dialed in first. The hydration can always come later.

75% Hydration: The Sweet Spot for Most Home Bakers

This is where I spend most of my time, and I’d wager it’s the range where the majority of home bakers find their groove. At 75%, the dough is noticeably softer and a bit tacky, but still manageable with good technique. You’ll want to use stretch-and-fold sets during bulk fermentation rather than traditional kneading — this builds gluten strength without the sticky mess. The crumb opens up beautifully at this hydration, giving you that satisfying mix of irregular holes and chewy structure. It’s also forgiving enough that small timing variations won’t completely derail your bake.

Shaping at 75% takes a bit more confidence than at 65%, but a light dusting of flour on your bench and quick, decisive movements will get you there. This is the hydration level I recommend to bakers who’ve gotten a few loaves under their belt and are ready to push toward a more artisan-style open crumb.

80% Hydration: Beautiful Chaos Worth Mastering

Let me be honest with you: 80% hydration dough will humble you the first several times you work with it. It’s wet, it spreads, and it seems to have a personal vendetta against clean countertops. But when you get it right — when the fermentation is spot on, the gluten is strong, and your shaping technique has developed enough confidence — the results are breathtaking. Wide-open crumb, a deeply caramelized crust, and a chew that makes you close your eyes on the first bite. This is the territory of serious sourdough obsessives, and I mean that as the highest compliment.

Working with 80% dough successfully requires well-developed gluten through multiple stretch-and-fold or coil fold sessions, a flour that can handle the hydration, and ideally a cold retard in the fridge overnight to firm the dough enough for scoring. Don’t skip the bench scraper at this hydration — it becomes your most essential tool.

What I Use: Tools That Make Hydration Easier to Handle

Working with wetter doughs especially means your tools matter more than you might think. Here’s what I keep coming back to in my own kitchen.

For mixing, a good stainless steel bowl is non-negotiable. I love the Oggi 8-Quart Two-Tone Stainless Steel Mixing Bowl — it’s roomy enough for bulk fermentation with plenty of rise space, and the smooth interior means dough releases cleanly. If you prefer something with a non-slip base for those vigorous mixing sessions, the Winco 8-Quart Heavy-Duty Stainless Steel Mixing Bowl with Non-Slip Base is a fantastic choice that stays put on the counter. For bakers who scale up their bakes or just like extra room, the 13-inch 8 Qt Extra Large Stainless Steel Mixing Bowl offers serious capacity with a mirror finish that’s easy to clean after sticky high-hydration doughs.

For bench scrapers, I keep two within arm’s reach. The BOORIKA Stainless Steel Bench Scraper is my everyday workhorse — sharp, sturdy, and great for dividing and shaping wet doughs on the counter. When I want something with a little more craftsmanship, I reach for the Lamson Bench Scraper with the riveted walnut handle. It’s beautifully balanced and feels like it was made to last a lifetime — because it genuinely was.

• 65% hydration — stiffer dough, easy shaping, tighter crumb, ideal for beginners and sandwich loaves
• 75% hydration — soft and tacky, manageable with technique, open crumb, great all-around choice
• 80% hydration — very wet, demands strong gluten and confident shaping, rewards with stunning open crumb