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Flour Brand × Absorption BenchmarkEmpirical Cereal Physics • Wave 2

Pushing Stone-Ground Whole Wheat (13.8% Protein) to 85% Hydration Near Its 88% Ceiling (418g W)

Upper-limit 85% test for Stone-Ground 100% Hard Red Whole Wheat Flour (Whole Grain Bran & Germ Intact, +3% margin under 88% max) with 42g bassinage.

Instant Lab Reference Verdict (Flour Brand × Absorption Benchmark)

Across 550g total flour (500g Stone-Ground Whole Wheat at 13.8% protein / 1.55% ash plus 50g from 100g starter), Stone-Ground 100% Hard Red Whole Wheat Flour rates [UPPER ARTISAN LIMIT] at 85% against its 78%–84% sweet spot and 88% max. Pouring 418g main water (468g system water) and 11g salt locks True Total Hydration at 85.09% (target 85%).

Absorption Status
UPPER85% Target vs. 88% Max Ceiling
Flour Protein & Ash
13.8% / 1.55%Whole Grain Bran & Germ Intact
500g Batch Main Water
418gWith 100g starter, locks True Total Hydration at 85.09% (target 85%)
Optimal Sweet Spot
78%–84%No gluten fortifier required

Stone-Ground Whole Wheat 2D Hydration & Benchmark Matrix Around 85% (85.09%)

Mass-balance water deductions (-7g from 425g) and 88% ceiling headroom for Stone-Ground Whole Wheat around 85% hydration.

Stone-Ground Whole Wheat Hydration StepCorrected Water (85% Ref)Protein, Ash & Sweet SpotBenchmark Flour ComparisonCeiling Margin & Rescue
400g Stone-Ground Whole Wheat @ 80% Firm (-5%)312g W + 80g levain + 8.8g salt (440g totF / 85% grid)13.8% prot / 1.55% ash (sweet 78–84%)vs Spelt & Einkorn Ancient Grain (65% max / 237g W)+8% buffer vs 88% cap (R1/85%)
450g Stone-Ground Whole Wheat @ 83% Mild (-2%)366g W + 90g levain + 9.9g salt (495g totF / 85% grid)13.8% prot / 1.55% ash (sweet 78–84%)vs King Arthur All-Purpose Flour (72% max / 302g W)+5% buffer vs 88% cap (R2/85%)
500g Stone-Ground Whole Wheat @ 85% [Active Goal]418g W + 100g levain + 11.0g salt (550g totF / 85% grid)13.8% prot / 1.55% ash (sweet 78–84%)vs Spelt & Einkorn Ancient Grain (65% max / 297g W)+3% buffer vs 88% cap (R3/85%)
600g Stone-Ground Whole Wheat @ 88% Wet (+3%)521g W + 120g levain + 13.2g salt (660g totF / 85% grid)13.8% prot / 1.55% ash (sweet 78–84%)vs King Arthur All-Purpose Flour (72% max / 402g W)+0% buffer vs 88% cap (R4/85%)
725g Stone-Ground Whole Wheat @ 88% [Limit Cap]630g W + 145g levain + 16.0g salt (798g totF / 85% grid)13.8% prot / 1.55% ash (sweet 78–84%)vs Spelt & Einkorn Ancient Grain (65% max / 431g W)+0% buffer vs 88% cap (R5/85%)

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Absorption Status:
UPPER — 85% Target vs. 88% Max Ceiling
Flour Protein & Ash:
13.8% / 1.55% — Whole Grain Bran & Germ Intact
500g Batch Main Water:
418g — With 100g starter, locks True Total Hydration at 85.09% (target 85%)

Pushing Stone-Ground Whole Wheat (13.8% Protein) to 85% (85.09%) Without Losing Tenacity

Stone-Ground 100% Hard Red Whole Wheat (13.8% protein, 1.55% ash) retains bran, germ, and endosperm for 85% (418g water, 85.09%) whole-grain fermentation. Hemicellulose and arabinoxylan fibers bind 376g autolyse + 42g bassinage water (vs 425g / 86.4%), supporting an 88% ceiling. At 85% target hydration (418g water + 100g levain = 468g over 550g flour, locking 85.09%), Stone-Ground Whole Wheat compares favorably against King Arthur All-Purpose Flour (72% cap).

CAPILLARY WATER BINDING (Stone-Ground Whole Wheat @ 85.09%): With 13.8% protein and 1.55% ash, 500g Stone-Ground Whole Wheat absorbs 418g corrected water (85% target, -7g from 425g) cleanly, sitting +3% inside its 88% limit (78%–84% sweet spot).

Bench & Cold-Retard Execution for Stone-Ground Whole Wheat Near Its 88% Ceiling

  1. Flour-Water Coupling (500g Stone-Ground Whole Wheat @ 85%): Rub 376g water into 500g Stone-Ground Whole Wheat (Whole Grain Bran & Germ Intact) until zero dry flour remains; rest 45 min.
  2. Bassinage Emulsification (+42g W / 418g Total): Squeeze in 100g starter and 11g salt with 42g water, locking 85.09% (3% vs 88% cap).
  3. Alveolar Strengthening (13.8% Matrix): Use wet hands for 4 coil folds every 30 min (within 88% limit).
  4. Shaping & Dutch Oven Spring: Preshape gently, rest 25 min uncovered, cold-proof 12–16 hrs at 38°F, and bake at 450°F (232°C).

Frequently Asked Questions for This Flour Brand × Absorption Benchmark Spec

Is Stone-Ground Whole Wheat malted or unmalted for a 85% (418g water) sourdough?

In the Whole Grain Bran & Germ Intact category (13.8% protein, 1.55% ash), 500g Stone-Ground Whole Wheat hydrated with 418g water (85.09% / 85%) follows a 78%–84% sweet spot and 88% ceiling.

How does Stone-Ground Whole Wheat's 1.55% ash content affect 85% sourdough?

In 500g Stone-Ground Whole Wheat (13.8% protein, 1.55% mineral ash) hydrated with 418g water (85.09% / 85%), the 1.55% ash fraction buffers pH and sets its 88% absorption ceiling.

Can I substitute King Arthur All-Purpose Flour for Stone-Ground Whole Wheat at 85% hydration?

Swapping 500g Stone-Ground Whole Wheat (88% cap, 78%–84% sweet spot) for King Arthur All-Purpose Flour (72% cap, 11.7% protein) at 85% (418g water) shifts ceiling margin by -16%.

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