HORHIZA 2‑in‑1 Rust Converter & Metal Primer, 42 oz Black — Water‑Based, Low‑Odor Protective Coating

HORHIZA 2-in-1 Black Rust Converter & Metal Primer is a water-based coating that converts active rust into a stable protective layer while acting as a primer for long-lasting metal protection.

Designed for both professionals and weekend DIYers, this 42 oz formula combines a rust-converting treatment with a primer in a single, easy-to-use product. Its low-odor, water-based composition dries quickly and bonds tightly to corroded or clean metal, offering UV, chemical and abrasion resistance without the need for a separate primer. Use it on steel, iron, aluminum and a wide range of metal items that need durable, weather-resistant protection.

How does HORHIZA stop rust from getting worse?

The formula chemically transforms flaky iron oxide into a stable black coating that seals the surface and prevents further oxidation. Instead of simply covering rust, it changes the unstable rust into a protective layer that adheres strongly to metal.

• Converts active rust into a tight, non-reactive coating
• Seals pores to block moisture and salt intrusion
• Reduces surface porosity so new rust has less opportunity to form

Can I use this product without primer or special tools?

Yes — the product is formulated to work as both converter and primer, so no separate primer is required for most applications. Apply after removing loose scale and debris; a brush is sufficient for most jobs, and water cleanup makes the process cleaner.

• Brush application recommended for control and coverage
• Clean up with water thanks to the water-based formula
• For best results, apply 2–3 thin coats and allow 24 hours drying time

Where is this rust converter most effective?

It’s suitable for a broad range of metal surfaces including automotive parts, outdoor fixtures and agricultural machinery. The combination of UV, chemical and abrasion resistance makes it a practical choice for environments exposed to weather, road salt or mechanical wear.

• Automobiles, trailers and vehicle frames
• Tools, fences, gates and outdoor metal furniture
• Ship fittings, machinery and agricultural implements

What performance and environmental features should I expect?

The water-based formula minimizes odors and toxicity compared with solvent-based coatings while still offering strong adhesion and durability. It resists fading and degradation from sunlight, chemicals and abrasion to extend the service life of treated metal.

• Low-odor, non-toxic water-based chemistry
• UV and chemical resistance for outdoor longevity
• Fast drying with excellent coverage per coat

Who is this for? HORHIZA 2-in-1 Black Rust Converter & Metal Primer is aimed at anyone who needs dependable metal protection without complex prep or toxic solvents — automotive restorers, maintenance crews, farmers and homeowners tackling outdoor metalwork. If you want a quick, effective way to stabilize rust and prime surfaces in one step using common tools and water cleanup, this product offers a practical balance of performance and convenience.