HARRIS SCLF1G Clean Soldering Tinning Flux Gallon Bottle 128 Oz.

( Brand: Harris ), ( Manufacturer Part Number: SCLF1G ), ( Part Type: Bottle ), ( Non-domestic Product: No ), ( Country Of Origin: United States )

Review HARRIS Stay clean Liquid Soldering And Tinning Flux Gallon 128 Oz. Bottle

The **Harris SCLF1G Stay-Clean Soldering Tinning Flux** is a high-performance, no-clean flux designed specifically for precision soldering applications, offering an exceptional balance of reliability, efficiency, and ease of use. Engineered for both hobbyists and professional electronics technicians, this gallon-sized (128-ounce) bottle delivers a robust, low-residue flux formulation that ensures clean, strong solder joints without the need for post-soldering cleaning. The "Stay-Clean" technology minimizes corrosion and oxidation, reducing the risk of future soldering issues while maintaining the integrity of your components. Ideal for through-hole and surface-mount applications, this flux excels in high-temperature soldering processes, providing excellent wetting properties that promote smooth, consistent solder flow. Its non-corrosive nature makes it perfect for sensitive electronics, including PCBs, connectors, and delicate components where residue buildup could compromise performance. The thick, stable consistency of the flux ensures even application, reducing waste and making it suitable for both manual and automated soldering setups. Whether you're working on prototyping, repairs, or large-scale production, this flux offers a reliable solution that enhances solderability while simplifying post-processing. Its durability and performance make it a trusted choice for those who demand precision and consistency in their soldering work.

The **Harris SCLF1G Stay-Clean Soldering Flux (1-gallon bottle)** is a popular choice among hobbyists and professionals for soldering applications, particularly in electronics and plumbing. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **Stay-Clean Technology**

The flux is formulated with a "stay-clean" additive that minimizes residue buildup on soldered joints. This reduces the need for post-soldering cleaning, saving time and effort, especially in high-volume or precision work.

2. **Versatile Applications**

It works well for both **electronic soldering** (e.g., PCBs, wire connections) and **plumbing soldering** (e.g., copper pipes). This dual-purpose nature makes it a cost-effective option for those working across different fields.

3. **Reliable Wetting and Flow**

The flux provides good wetting properties, ensuring clean, strong solder joints. It helps prevent oxidation and promotes smooth solder flow, which is critical for high-quality work.

4. **Long Shelf Life**

Like most high-quality fluxes, this product has a long shelf life when stored properly, reducing the risk of spoilage or degradation over time.

5. **Good for RoHS-Compliant Work**

While not explicitly labeled as RoHS-compliant, its low-residue formula aligns with environmental regulations, making it suitable for applications where lead-free solder is used.

6. **Cost-Effective for Bulk Use**

The 1-gallon size is ideal for professionals or hobbyists who perform large-scale soldering projects, offering better value per unit compared to smaller bottles.

7. **Minimal Corrosion Risk**

The flux helps prevent corrosion on metal surfaces during soldering, which is beneficial for long-term reliability in both electronics and plumbing.

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### **Cons**

1. **Not Ideal for All Soldering Needs**

While versatile, it may not be optimized for **high-temperature soldering** (e.g., braze welding or soldering thick metals) where more aggressive fluxes are required. For such applications, a different flux (e.g., borax-based) might be necessary.

2. **Requires Proper Storage**

Like all fluxes, it should be stored in a cool, dry place away from direct sunlight to prevent degradation. Improper storage can reduce its effectiveness.

3. **Potential for Overuse**

Excessive flux can lead to **bridging** in electronic soldering (where solder connects unintended points) or **residue buildup** if not cleaned properly. Precision in application is still required.

4. **Limited to Specific Metal Types**

While effective for copper and most solderable metals, it may not perform as well on **stainless steel, aluminum, or galvanized metals**, which often require specialized fluxes.

5. **Messy Application**

The liquid form can be messy to handle, especially for small-scale or delicate work. Users may need to use a brush or applicator to control application.

6. **Price Point for Small-Scale Users**

The 1-gallon size may be overkill for casual hobbyists who only solder occasionally. Smaller bottles (e.g., 8 oz) might be more practical for them.

7. **Environmental Considerations**

While low-residue, improper disposal of flux can be harmful to the environment. Users must follow proper waste disposal guidelines.

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### **Conclusion**

The **Harris SCLF1G Stay-Clean Soldering Flux** is an excellent choice for those who need a **versatile, low-residue flux** for both electronics and plumbing applications. Its **stay-clean properties** and **reliability** make it a favorite among professionals, while its **bulk size** offers good value for large projects. However, it is not universally applicable (e.g., high-temperature or specialized metal soldering) and requires careful handling to avoid mess or overuse.

For **hobbyists or small-scale users**, a smaller bottle might be more practical. For **professionals or those working on large-scale projects**, the 1-gallon size is a worthwhile investment due to its efficiency and cost-effectiveness.

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### **Recommendation**

- You work on **both electronics and plumbing soldering** regularly.

- You prioritize **low-residue, stay-clean flux** to minimize post-soldering cleanup.

- You need a **bulk supply** for large projects or professional use.

- You are willing to handle a **liquid flux** and manage storage properly.

- You only solder **occasionally or for small projects** (a smaller bottle may suffice).

- You work with **high-temperature metals or specialized alloys** (e.g., aluminum, stainless steel).

- You prefer **paste or gel fluxes** for easier application in electronics.

- You are concerned about **messiness** and lack proper storage conditions.

**Final Verdict:** This flux is one of the best **all-around, low-residue options** for general soldering needs, especially for those who value efficiency and reliability. For most users, it is a **highly recommended purchase**, provided their applications align with its strengths.

Details:

Meets commercial spec. 1 Gallon or 128 oz. Soldering Tinning Flux. Part# SCLF1G.

For all soldering purposes Stay-Clean is un excelled for use on copper tube, brass, bronze, steel, stainless, nickel and galvanized.

part #: sclf1g prices

• $76.49-$94.55

specifications weldtoolsam:

• brand: Harris
• mpn: Sclf1g
• part type: Bottle
• non-domestic product: No
• country of origin: United States

returns weldtoolsam:

• policy: No Returns

general weldtoolsam:

• Business Industrial > HVAC Refrigeration > Other HVAC Refrigeration
• condition: New

offer weldtoolsam:

• quantity: 2
• sold: 0
• started: February 17, 2026
• options: Ship-to-home
• availability: In Stock

shipping weldtoolsam:

• carrier: USPS, UPS
• transit: 3-9 Days
• cost: $23.50
• class: Standard, Expedited, Economy
• type: Calculated
• service: USPS Ground Advantage, USPS Priority Mail, USPS Priority Mail Express, UPS Ground Saver

payments weldtoolsam:

• wallet: Google-pay
• credit card: Mastercard
• other

seller weldtoolsam:

• rating: 99.4%
• # reviews: 150415
• city: Hartford, Wisconsin

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