Reconstituting The Clavicular Stack — Exact BAC Water Volumes Per Vial

What you need

• The lyophilized vials you ordered
• [Bacteriostatic water](/products/bacteriostatic-water) — 0.9% benzyl alcohol preservative, 30 mL vial at $11.69
• Sterile syringes (3 mL and 5 mL for reconstitution; U-100 insulin syringes for dosing)
• 70% isopropyl alcohol swabs

For the full five-layer Clavicular stack, budget two 30 mL BAC water vials if you're reconstituting everything inside a month. One bottle covers 2–4 vial reconstitutions — the full stack needs 5.

Target concentrations

Choose the target mg/mL based on how much volume per dose you want to inject. Higher concentration = smaller injection volume, more precise dosing. Lower concentration = more forgiving if your measuring technique is rough.

The math below uses 5 mg/mL as a default — a good balance for all stack vials at typical Clavicular doses. Variants at 10 mg/mL are noted where useful (for small-dose peptides).

Per-vial reconstitution

1. Retatrutide 15 mg (fat loss — the core vial)

[Retatrutide](/products/retatrutide) — target 5 mg/mL.

• Add 3.0 mL BAC water
• Final concentration: 5 mg/mL
• 2 mg dose = 0.4 mL (40 units on U-100)
• 4 mg dose = 0.8 mL (80 units)
• 8 mg dose = 1.6 mL (requires 1 mL syringe or 2 × 80-unit draws)

For 10 mg / 20 mg / 30 mg vials, scale the BAC water linearly: 2 mL / 4 mL / 6 mL respectively.

2. BPC-157 10 mg (gut protection — daily)

[BPC-157](/products/bpc-157) — target 5 mg/mL (a higher concentration makes the tiny daily dose easier to measure).

• Add 2.0 mL BAC water
• Final concentration: 5 mg/mL
• 250 mcg daily dose = 0.05 mL (5 units on U-100)
• 500 mcg daily dose = 0.10 mL (10 units)

Alternatively, 10 mg/mL: add 1.0 mL BAC water. 250 mcg = 2.5 units (hard to measure precisely on U-100). 5 mg/mL is easier.

One reconstituted vial at 250 mcg/day lasts ~40 days. Refrigerate at 2–8 °C between doses; use within 28 days.

3. GHK-Cu 50 mg (GLOW — skin signaling)

[GHK-Cu](/products/ghk-cu) — target 5 mg/mL.

• Add 10.0 mL BAC water
• Final concentration: 5 mg/mL
• 2 mg daily dose = 0.4 mL (40 units)
• 1 mg daily dose = 0.2 mL (20 units)

Important: GHK-Cu is photosensitive once reconstituted. Store in an amber vial or wrap the vial in foil in the fridge. Use within 28 days.

4. SNAP-8 10 mg (KLOW — topical)

[SNAP-8](/products/snap-8) is the one exception — you don't typically reconstitute it into BAC water for injection. The topical protocol formulates it into a cream base at 4–10% w/w.

If you're doing a simple topical:

• Add 2.0 mL BAC water to the 10 mg vial = 5 mg/mL solution
• Mix 1 mL of the solution (5 mg) into 40 mL of unscented cream/gel base = ~0.1% formulation (low end)
• For 1% formulation: mix 2 mL of solution (10 mg) into 1 mL cream base

Apply 2× daily to forehead, crow's feet, glabellar lines. Consistency is the point, not volume.

5. Ipamorelin/CJC-1295 Blend (lean mass — pre-sleep)

[Ipamorelin/CJC-1295 Blend](/products/ipamorelin-cjc-1295-blend) — the vial contains 5 mg Ipamorelin + 5 mg CJC-1295 (No DAC) = 10 mg total active in one lyophilized cake.

• Add 2.0 mL BAC water to the 10 mg blend vial
• Final: 5 mg/mL total (2.5 mg/mL of each compound)
• Standard pre-sleep dose: 100 mcg of each (200 mcg total) = 0.04 mL (4 units on U-100)

One reconstituted blend vial at this dose lasts ~50 nights.

Total BAC water for the full stack

| Vial | BAC water |

|------|-----------|

| Retatrutide 15 mg | 3.0 mL |

| BPC-157 10 mg | 2.0 mL |

| GHK-Cu 50 mg | 10.0 mL |

| SNAP-8 10 mg | 2.0 mL |

| Ipa/CJC Blend 10 mg | 2.0 mL |

| Total | 19.0 mL |

One 30 mL BAC water bottle covers the full first reconstitution. Budget a second bottle for the reorder cycle 4–6 weeks later.

Reconstitution technique — 4 steps

1. Swab both vial stoppers (BAC water + peptide) with 70% IPA. Let dry.
2. Draw the BAC water into a 3 mL or 5 mL syringe. Insert needle into the lyophilized vial along the wall (not straight down into the powder). Release plunger slowly — let the water trickle down the inside of the vial, not jet onto the cake.
3. Do not shake. Swirl gently or let the vial sit at room temperature for 10–15 minutes. The cake dissolves fully.
4. Label the vial with the reconstitution date. Refrigerate at 2–8 °C.

After reconstitution

• Fridge (2–8 °C) shelf life: 28 days for most peptides. Use within that window.
• Never freeze reconstituted solution — peptide degradation from freeze-thaw is significant.
• Photosensitive peptides (GHK-Cu) — foil-wrap or amber vial, always.
• Sealed lyophilized vials before reconstitution — freeze at −20 °C, stable for 24+ months.