SH-12 Sodium Hypochlorite 12% – Professional Soft Wash Solution

**Overview**  
SH-12 Sodium Hypochlorite 12% is a professional soft wash solution formulated to eliminate algae, moss, mold, mildew, and organic staining from roofs, siding, concrete, and exterior surfaces. Built for contractors and maintenance professionals, it delivers strong and reliable cleaning performance across multiple exterior applications.

LOCAL SH-12 BULK FILLS — MISSION, BC

Already have a chemical tank on your truck, trailer or wash rig?

Bring your compatible tank or rig to our Mission, BC warehouse and we'll fill SH-12 directly into your tank.

No pouring pails. No transferring product. No container deposit. No empty containers to return.

We're open from 7:00 AM, so you can fill up early and get to the jobsite on time.

Pull in. Fill up. Get to work.

Bulk-fill availability and pricing may vary. Contact us for current availability or larger-volume requirements.

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View Local Delivery & Bulk Fill Options →

**Key Benefits**  
- Highly effective at removing organic growth and staining  
- Ideal for roof cleaning, house washing, concrete cleaning, and masonry  
- Works seamlessly with RS-DR Roof Surfactant for improved dwell time and visibility  
- Industry-standard 12% SH strength for professional soft wash contractors  
- Compatible with batch-mix systems, proportioners, pump sprayers, and low-pressure setups  
- Cleans without the need for damaging high pressure  

**Typical On-Surface Dilution Ranges**  
- Roof cleaning: 2–4% available SH  
- House washing (siding, soffits, fascia): 0.5–2%  
- Concrete and masonry: 1–3% depending on severity  

**Application / Use**  
1. Apply using soft wash rigs, proportioning systems, batch-mix setups, or pump sprayers.  
2. For roof treatments, pair with RS-DR to improve cling and reduce runoff.  
3. Pre-wet nearby plants, grass, and landscaping.  
4. Rinse thoroughly after application.  
5. Do not mix SH with acids, ammonia, or incompatible chemicals.

**Ideal For**  
- Soft wash contractors  
- Property maintenance teams  
- Municipal facilities and commercial buildings  
- HOAs and multi-unit properties  
- Agriculture and food environments needing sanitation  
- Exterior cleaning where organic contamination is common  

**Safety & SDS**  
Sodium hypochlorite is a strong oxidizer. Always wear chemical-resistant gloves, eye protection, and appropriate PPE. SDS documents are available in library.