HASA Sani-Clor
The Industry Standard for Pool Sanitization
Available Sizes
- 4x1 Gallon Deposit Case
HASA Sani-Clor®: The Professional’s Choice for Liquid Pool Chlorine
HASA Sani-Clor® is a high-performance, 12.5% sodium hypochlorite solution designed specifically for pool service professionals who demand efficiency and water clarity.
It delivers quick sanitization without adding cyanuric acid (CYA) or calcium, making it the ideal pool sanitizer for maintaining clean, clear, and safe pool water.
Trust HASA Sani-Clor® for World-Class Pool Sanitization
For over 60 years, HASA Sani-Clor® has set the benchmark for commercial and residential pool care products.
Unlike granular oxidizers, liquid shock for pools mixes instantly with water, allowing service professionals to treat pools faster and move to the next job on their route. It provides a measurable residual of free available chlorine immediately upon application.
Why Professionals Choose Liquid Chlorine Over Granular Shock
For a pool service professional, time is currency. One of the primary advantages of liquid chlorine for pools over traditional granular shock is the elimination of the need for dissolution time.
Offers Immediate Bio-Availability
Many granular shock products for pools, such as Dichlor or Cal-Hypo, add byproducts to the water, including Cyanuric Acid (CYA) and calcium hardness. Over time, high CYA levels render chlorine ineffective, creating “chlorine lock” and forcing professionals to drain and refill pools.
By using HASA Sani-Clor® as your primary liquid shock for pools, you maintain complete control over the water chemistry. You add exactly what the pool needs: pure sanitization, without the hidden additives that can complicate water management later.
Efficiency and Sustainability on the Route
Efficiency isn't just about chemical reaction times; it's about logistics.
Our liquid chlorine for pools comes in the HASA 4x1 returnable case. This system is designed for the rigorous demands of a service route. The "No-Glug Jugs®" prevent splashing, protecting your clothes and truck, while the heavy-duty crate offers secondary containment.
Additionally, our returnable packaging program demonstrates a commitment to sustainability—a value that resonates with today’s eco-conscious homeowners.
Key Features & Benefits of HASA Sani-Clor®
- Highly Concentrated Formula: At 12.5% sodium hypochlorite, it is significantly stronger than standard household bleach, offering potent sanitizing power with less product usage.
- Instant Application: Acts as a fast-dissolving pool shock alternative. Because it is liquid, it requires no dissolving time and leaves no residue, which is particularly valuable in colder temperatures.
- Simplifies Water Chemistry Balancing: Contains no CYA and no calcium, preventing chlorine lock and scaling issues.
- Universal Compatibility: Safe for all pool surfaces (plaster, vinyl, fiberglass) and compatible with salt, UV, and ozone systems.
- Eco-Friendly Packaging: Delivered in our signature 4x1 returnable and reusable daily deposit cases to minimize plastic waste.
Dosing Instructions:
Precise dosing is critical for limiting product waste and protecting water quality.
Always test water chemistry before application to determine the precise demand.
Frequently Asked Questions
-
Does HASA Sani-Clor® raise Cyanuric Acid (CYA) levels?
No, HASA Sani-Clor® is a liquid sodium hypochlorite solution and contains zero cyanuric acid. This allows pool professionals to shock pools without risking chlorine lock caused by high CYA levels.
-
Can I use this product as a fast-dissolving pool shock?
Yes, in fact, it acts faster than "fast-dissolving" granular products because it is already a liquid. It mixes instantly with pool water, providing immediate sanitization without the risk of undissolved granules damaging pool surfaces. At a trade concentration of 12.5%, each gallon of HASA Sani-Clor adds 12.5 ppm free chlorine in 10,000 gallons of water.
-
Is liquid chlorine safe for saltwater pools?
Absolutely. HASA Sani-Clor® is fully compatible with saltwater chlorine generators. It is often used to shock salt pools when the cell cannot keep up with a heavy bather load or an algae bloom, without adding unwanted byproducts.
-
What is the shelf life of liquid pool chlorine?
Liquid chlorine is freshest and most effective when purchased from a professional distributor with high turnover. HASA’s localized manufacturing and distribution model ensures you receive the freshest, highest-potency product possible, maximizing effectiveness. Plus, while non-filtered chlorine drops nearly 50% in strength in just two weeks, HASA’s proprietary advanced filtration helps preserve active concentration, so you get more usable chlorine and fewer surprises.
-
What’s the difference between HASA Multi-Chlor and HASA Sani-Clor?
Both products are liquid sodium hypochlorite solutions, but they are intended for different scales and applications. HASA Sani-Clor is formulated specifically for pool and spa sanitation, offering reliable performance at a strength optimized for routine commercial and residential pool maintenance. HASA Multi-Chlor is a higher-strength (12.5%) solution designed for municipal, industrial, and large-scale commercial water treatment where higher concentration and dosing efficiency are required.
-
What’s the difference between HASA Sani-Clor and HASA Chlor?
HASA Chlor and HASA Sani-Clor deliver the same effective chlorine strength, but they’re designed for different use cases and distribution models. HASA Sani-Clor is a returnable, refill-style system where empty bottles and cases are exchanged for full ones, making it a more sustainable option for high-demand applications that require a quick turnaround. HASA Chlor is packaged in a disposable format, offering a convenient solution for homeowners or for smaller water volumes where chlorine demand is lower and a returnable system isn’t practical. The best choice ultimately comes down to usage volume, logistics, and preference for reusable versus disposable packaging.
Related Products



