1. Batch Parameters

INPUTS

mL 1.0 L
Balanced (1.0%)
0.2% Trace
0.5%
1.0%
1.5%
2.0% Sour
🛡️ Chelating Agent Active: Prevents magnesium hydrolysis precipitation.
🧪 Hot Water Liquid Concentrate

2. Scale Cumulative Targets

Tare your scale to 0g and sequentially add to the cumulative weight.

Done Ingredient Component Cumulative Target

Mixing Sequence

Dilution Intake Parameters

DOSE MATH

Liquid concentrates operate like a cocktail cordial: the master batch is undrinkable raw. The actual biological payload is dictated by the Elemental Yield of your dose volume.

32 oz (~950 mL)
✅ Optimal
💧 Light
✅ Optimal
⚡ Strong
🌶️ Heavy
🚽 Flush
mL 5.0 mL (1.0 tsp) ≈ 6.0 g
Concentration & Palatability: Optimal Dilution

Smooth, structured mouthfeel. Excellent cellular hydration without gut distress.

Delivered Elemental Minerals

PER BOTTLE
Mg²⁺ Magnesium
0 mg
K⁺ Potassium
0 mg
Na⁺ Sodium
0 mg

Yield Formula

Final (mg) = (Total Salt Mass / Batch Vol) × Dose Vol × Elemental % × 1000

Calculated dynamically against current master batch parameters.

Ingestion Safety

⚠️ Critical Chemical Sourcing Guidelines

NEVER USE BATH FLAKES OR DRIVEWAY DE-ICER.

  • Magnesium: MUST be certified Food Grade, USP, FCC, or culinary Nigari. Industrial bath flakes and driveway de-icer pellets frequently contain heavy metals (lead, arsenic, cadmium), surfactants, and toxic impurities.
  • Potassium: Pure food-grade Potassium Chloride (KCl) salt substitute without synthetic anti-caking additives.
  • Sea Salt: Unrefined, coarse sea salt (e.g., Celtic, or Pink Himalayan) containing a full spectrum of natural trace minerals.
  • Water: Demineralized Reverse Osmosis (RO) or Steam-Distilled water only to prevent mineral scale and cloudy precipitation.
⛔ Ingestion Safety Rule: If a salt is not certified food-grade for internal human consumption, keep it out of your body and compounding vessels.
Gut Motility & Dilution

🚽 The Osmotic Flush Threshold & Safe Dilution Rules

Osmolarity dictates gut motility far more than dry mass. Ingestion of hypertonic electrolyte solutions (>350 mOsm/L) reverses intestinal water transport, pulling systemic fluid out of your vascular system directly into the bowel lumen via osmosis.

  • The DIY Saline Laxative Effect: Chugging 1,000 mg Sodium or high-dose Magnesium in 4–8 oz of water triggers rapid osmotic peristalsis (an involuntary saline flush). Always dilute 1 serving of active electrolytes into at least 16 to 24 oz (500–750 mL) of water.
  • Sip Over Time: Drink electrolyte solutions steadily over 60–90 minutes during exertion or sweating. Chugging hypertonic solutions overwhelms mucosal absorptive kinetics.
  • Magnesium Bowel Tolerance: Active enterocyte transport for Mg²⁺ saturates above 150–200 mg elemental Mg per bolus. Unabsorbed magnesium remains in the colon as an osmotic stool softener. Keep single servings at 60–120 mg elemental Mg.
💩 Rapid Colon Cleanse Risk: Dosing high mineral concentrates into small cups triggers an uncontrollable saline flush. The calculator highlights in red if your recipe creates a laxative risk!
Aqueous Chelation

🧪 The Tartness & Chelation Engine

Magnesium Chloride Hexahydrate (MgCl₂·6H₂O) is alkaline and intensely bitter. When mixed into hot water concentrates, the pH rises, causing partial hydrolysis into insoluble Magnesium Hydroxide [Mg(OH)₂], resulting in a chalky, cloudy precipitate.

By coupling citric acid directly to the magnesium load, the solution enforces a minimum 0.2% trace baseline. This donates free hydrogen ions (H⁺) that chelate magnesium into a crystal-clear, shelf-stable aqueous solution.

  • Dynamic Chelation Ratio: Citric acid is calculated directly as a percentage of total magnesium mass, scaling dynamically with batch size.
  • Clarity & Stability: Eliminates bitter alkaline cloudiness and prevents precipitation across months of ambient bottle storage.
Cellular Neurobiology

⚡ The -70mV to +40mV Action Potential

Human cellular nerves operate at millivolt scales. In cellular physiology, cells maintain a negative resting potential of -70 mV inside the cell membrane. Depolarization opens voltage-gated sodium channels, swinging the membrane potential to +40 mV in an all-or-none spike before repolarizing.

  • Magnesium (Mg²⁺): Required cofactor for ATP. Stabilizes the Na⁺/K⁺-ATPase pump to maintain baseline resting potential (-70mV) and filter out nervous static.
  • Sodium (Na⁺): Primary extracellular cation fueling the +40mV depolarization spike for maximum muscular contractile force.
  • Potassium (K⁺): Primary intracellular cation required for rapid repolarization back to resting state.
Scale Metrology

⚖️ The "Bio-Fudge" Factor: Metrology vs. Human Physiology

Why 0.1g scale resolution is all you need: Standard digital kitchen and coffee scales resolve to 0.1g (100 mg). In metrology, an indicated reading of 0.4g spans an uncertainty window of 0.35g to 0.44g (±12.5% to 25% relative scale variance on small ingredients). Chasing sub-decigram precision on home scales is laboratory theater—because human biology is an immense macroscopic buffer.

  • 40 Liters vs. 20 Milligrams: An adult body holds ~5 liters of circulating blood and ~40 liters of total fluid. A 0.05g variance in Potassium Chloride delivers a mere ~26 mg of elemental K⁺ (a single banana contains ~420 mg; daily baseline need is 2,600–3,400 mg).
  • Sodium Renal Buffering: A 0.1g rounding shift in sea salt changes elemental Sodium by only ~39 mg against a 2,000–5,000 mg active daily turnover. Cellular ion pumps and renal tubules absorb this micro-delta effortlessly.
  • The Water Top-Up Compounding Rule: Rather than fighting tenths of a gram or ending up with a bottle 15% empty, this engine rounds dry compounds to 0.1g and tops up the remainder with water to match your exact bottle volume. The concentration difference is biologically imperceptible.
Homogenization Physics

🌰 Bulk Powder Homogenization: Beating the "Brazil Nut Effect"

How do you make bulk dry mix distribute evenly across every scoop? This is one of the most notoriously difficult problems in pharmaceutical compounding, driven by a physics phenomenon called granular convection (the "Brazil Nut Effect").

If you shake fine Magnesium Malate dust, granular KCl, and coarse Sea Salt in a jar, shelf vibration causes the large, coarse salt crystals to rise to the top while the fine magnesium dust settles to the bottom. Scooping from the top yields almost pure sodium; scooping from the bottom delivers an unsafe spike of magnesium.

  • 1. Particle Normalization (The Grinder): You cannot mix coarse crystals with fine dust. Put your Coarse Sea Salt and KCl into a clean spice grinder, high-speed blender, or mortar & pestle. Pulverize them until they match the ultra-fine dust consistency of Magnesium Malate.
  • 2. Geometric Dilution (The Mixing Technique): Dumping 50g magnesium into 254g salt causes clumping. Mix logarithmically: Step 1: Combine 50g Mg + 50g powdered Salt (1:1). Shake violently. Step 2: Add 100g powdered Salt/KCl. Shake violently. Step 3: Add remaining bulk salt and shake. Doubling volume at each step forces uniform distribution.
  • 3. Moisture Control (Anti-Caking): Pulverized salt has massive surface area and pulls humidity from air into a solid brick. Drop 1–2 food-safe silica gel desiccant packets directly into the powder. Always roll/shake the jar before scooping.
💡 The Liquid Concentrate Advantage: This exact stratification problem is why liquid master concentrates (the Desk Protocol) are scientifically superior for homelabs: dissolved in a liquid solvent, minerals are mathematically uniform down to the molecular level with zero grinding required.
Solubility & Hydration

📦 Hexahydrate vs. Malate Solubility

Solubility and crystal hydration govern whether a mineral works best in liquid concentrates or dry powder shakers:

Property Magnesium Chloride Magnesium Malate
Hydration State Hexahydrate (MgCl₂·6H₂O) Anhydrous Malic Salt
Water Content ~53% trapped water 0% dry powder
Elemental Mg % ~11.96% ~15.0%
Solubility in Water Massive (>540g/L). Liquid concentrates. Low. Sludge in concentrate; best dry.
⚠️ The 53% Crystal Water Trap: Magnesium Chloride Hexahydrate (MgCl₂·6H₂O) is 53% trapped water by molecular weight (only ~11.96% elemental Mg). If you substitute anhydrous MgCl₂ powder without recalculating, you will dose more than double the intended elemental magnesium!
Hygroscopic Handling

🌡️ Practical Mixing & Hygroscopic Salt Handling

Compounding dry salts into master liquid concentrates or direct shaker bottles involves distinct physical dynamics:

  • The Deliquescent Trap: Food-grade Magnesium Chloride Hexahydrate flakes are aggressively hygroscopic. Left unsealed, they pull moisture from ambient room air within days and liquefy into heavy brine. Always store in an airtight container with a desiccant, or dissolve directly into a sealed master concentrate bottle.
  • Endothermic Dissolution: Dissolving massive quantities of salts (such as >500g/L in Master Concentrates) absorbs heat, dropping liquid temperature sharply and inhibiting solubility. Use hot/simmering water (~160°F–180°F) to dissolve master concentrates completely without cloudy sediment.
  • Direct Shakers: For single-bottle mixes, ambient or cold water dissolves 0.1g-rounded salts within 10–15 seconds of brisk agitation.
Volumetric Physics

🏺 1-Gallon Batch Volumetrics & Thermal Expansion

Will a 1-Gallon (3,785 mL) Desk Protocol master batch (4,410.3g total scale mass) fit into a standard 1-gallon glass jug?

  • The 644g Crystal Water Release: 1,211.2g of MgCl₂·6H₂O surrenders 644.0g of bound water into the solvent, combining with 2,763.1g of added water to yield 3,407.1g of free liquid + 1,003.2g anhydrous salts (22.8% w/w brine).
  • Room Temperature Fit (68°F / 20°C) — YES: At 20°C, high ionic electrostriction elevates solution density to ~1.190 g/mL. The final volume is ~3,706 mL, leaving ~79 mL of headspace (~1/2 inch below the cap).
  • The 180°F Hot Water Trap — OVERFLOW: Hot water (~180°F / 82°C) expands by 3.1%, dropping density to ~1.150 g/mL. The hot liquid expands to ~3,835 mL, overflowing a 1-gallon jug by ~50 mL (~1.7 oz) while hot!
⚗️ Master Compounding Rule: Never dissolve the full gallon batch directly inside a narrow-neck jug. Mix in a 5–6 quart pot, let it dissolve and cool/contract down to ~3,706 mL, then funnel into your gallon jug with safe headspace.
Metabolic Pathways

🧬 The Organic vs. Inorganic Anion Payloads

Magnesium cannot exist as an isolated ion in powder form; it must be paired with an inorganic or organic counter-anion that alters human metabolism:

  • Inorganic Chloride (Cl⁻) — Gastric Acid & Fluid Balance: Essential for parietal cell Hydrochloric Acid (HCl) synthesis, pepsinogen activation, and protein proteolysis. Massive aqueous solubility (>540 g/L) makes it the ultimate vehicle for ultra-dense liquid master concentrates.
  • Organic Malate (C₄H₄O₅²⁻) — Mitochondrial Krebs Cycle: Malic acid is an intermediate in the Krebs / Citric Acid cycle for cellular ATP turnover and lactic acid clearance during sustained physical exertion. Low solubility (<30 g/L) makes it ideal for dry powder rehydration.
  • Sensory Impact: Chloride imparts an intensely bitter, metallic bite requiring citric acid chelation buffering, whereas malate contributes a pleasant, natural green-apple tartness.
⚡ Functional Specialization: Use Chloride Hexahydrate for shelf-stable liquid drops and gastric acid support; use Malate powder for dry hydration and muscular energy output.