Sodium Hydrosulfite

Sodium Hydrosulfite (or "Hydro") is a universal reducing agent that is used for indigo dyeing. It is also used as a non-aggressive alternative to bleach for removing color from dyed fabrics and for whitening antique textiles.

• Essential for indigo dyeing — A universal reducing agent that creates the oxygen-free environment needed for indigo dye to bond with fabric.
• Gentle color remover — A non-aggressive alternative to bleach for stripping color from dyed fabrics without harsh damage to fibers.
• Antique textile safe — Ideal for carefully whitening and restoring delicate or vintage textiles where stronger chemicals would cause harm.