Sparex No. 2 Granular Dry Acid Compound for Pickling -2-1/2 Bag

Sparex No. 2 is a granular, dry acid compound from Krohn Technical Products for pickling, cleaning, and removing surface oxidation, scale, and incrustation from non-ferrous metals. It’s an easy, long-lasting alternative to handling liquid sulfuric acid—producing smooth, clean, bright surfaces without attacking fine detail.

Key Features

• Designed for non-ferrous metals (e.g., silver, gold, copper alloys)
• Effective removal of oxides and firescale
• Granular dry form for convenient mixing and storage
• Safer replacement for liquid sulfuric acid pickles
• Made in the USA

Specifications

How to Use

1. In a dedicated, non-reactive container, add Sparex granules to warm water (never the reverse) and stir to dissolve.
2. Maintain solution temperature per your shop practice; quench and pickle as usual.
3. Rinse work thoroughly after pickling; neutralize with a mild baking soda bath if desired.

Safety & Handling

• Poison – Causes Burns. Contains sodium bisulfate.
• Avoid contact with skin, eyes, or clothing; do not inhale dust; harmful if swallowed.
• Wear appropriate PPE: gloves, eye protection, and adequate ventilation.

Storage

• Store in a cool, dry place.
• Keep the bag tightly closed when not in use.

California Prop 65 Warning:
Cancer and Reproductive Harm. www.P65warnings.ca.gov.