I use a scoop of rye flour (30g) mixed with all purpose flour (70g) in my starter. The rye flour is like miracle gro for the bacteria. In my country it's also cheaper than all purpose flour.
this post was submitted on 03 Sep 2024
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I’ve only recently even tried baking with rye, with rye flour being niche and relatively expensive in the US :(
Depending on where you are (I'm not asking) there are a few other flours that really work well as boosters besides rye. Buckwheat, Red Millet, Barley, Teff all work well.
To answer your original question I wouldn't bother using high gluten specifically for a starter. Whatever flour you normally use is fine.
I wasn't thinking of higher gluten in the starter specifically, but rather whether a starter destroys gluten to the point where maybe I should be using the cheapest option in the starter and not waste the flour that I will use later in the process.
I can't think of a good reason not to use the cheaper flour for your starter. In low hydration starters you still have some gluten, it doesn't really do anything for your bread though. High hydration does too, more or less depending on how much you use it and how often you feed it. Since your mixing it though you end up breaking pretty much all the strands.
I used Rye to start my starter. After about 2 weeks I then just fed it white bread flour to maintain. I think once you have an active starter i.e. active bacteria, you can feed it any flour+water. I used a 1:1:1 ratio.
When making my doughs I would use a variety of flours for flavour/texture.
I feed starter with the same bread flour I usually bake with so I don’t need to do any more math.
I discard about 100g of starter a week which ends up becoming pizza dough so I don’t see the point in trying to cheap out on flour.
Ok - I have always used unbleached all purpose flour in the starter and thought it so unfussy I didn't worry about the brand until one time my husband got store brand all purpose flour, and my bread was struggling, it took me awhile to figure out it was the flour! So some all purpose is so low in gluten it's almost cake flour. Now I am more specific when I ask for flour, but Gold Medal or King Arthur all purpose unbleached work so well to keep it healthy, I do not use bread flour or whole wheat. Used to have a rye starter but this one is so much healthier and easier to use - it's all purpose starter!
I use pure bread/high gluten flour for my starter. It makes it so I don't have to think too much about it, and I do a no-discard system, so it's not like I'm wasting any of the more expensive flour.
I use normal flour for normal feeds, and then I'll use a mix of the flours I'm baking with when preparing a levain. Not sure it does anything, but it feels "correct" somehow.