Quick Guide: 3.6% Hypertonic Saline

For a precise 3.6% NaCl concentration, use a digital scale.

Water: 1 Liter (Distilled or boiled/cooled tap water).
Salt: 36 grams.
Method: Combine in a clean vessel and stir until the solution is perfectly clear.

2. Salt Type & Mineral Profile

All types below yield a 3.6% solution at the 36g/1L ratio.

Pickling Salt - Pure NACl; no additives, iodine, or minerals.

Refined/Table - Often contained iodine and anti-caking agents.

Sea Salt - Rich in Magnesium, Calcium, and Potassium.

Himalayan - Contains Iron Oxide and various rock minerals.

Choose inert materials to prevent chemical leaching, ions migration, or microplastic contamination.

Optimal (Inert): Borosilicate or tempered glass. These are completely non-reactive.
High-Grade Metal: 316 or 304 Stainless Steel. Stable and corrosion-resistant.
Stable Plastics: HDPE (Code 2) or PP (Code 5). BPA-free and resistant to degradation.
Avoid: Aluminum, copper, or low-quality plastics (PET/Code 1), as higher salt concentrations facilitate the leaching of metals or chemicals.

Stability: In a sealed, inert container, the solution remains chemically stable for several weeks.
Maintenance: Use clean, non-reactive utensils to avoid introducing organic matter or metallic residues.
Refresh: Replace the solution if it becomes cloudy or every 7–10 days if the container is opened frequently.