Keeping your pool water clean and crystal clear in the summer shouldn’t feel like a full-time job.

Over the past 15 years maintaining residential and commercial pools, I’ve tried just about every chlorine product available. Most work—but few offer the convenience, consistency, and power of Rx Clear Stabilized Granular Chlorine. With a standout 4.6-star average from more than 1,700 Amazon reviews, it’s easy to see why pool owners keep coming back to this product season after season.

What sets Rx Clear apart is its professional-grade formula. It contains 99% sodium dichloro-s-triazinetrione—one of the strongest, most stable forms of chlorine you can buy—making it ideal for both everyday maintenance and high-demand conditions.

Whether you’re managing your backyard pool or a community facility, this granular chlorine can simplify your routine without compromising water quality.

What Makes Rx Clear Different?

Rx Clear isn’t just another chlorine—it’s a multi-function pool sanitizer that checks all the right boxes for reliability and ease of use.

• 99% sodium dichlor formula: Delivers high-impact sanitation with 55.5% available chlorine, more than enough to control bacteria and algae effectively.
• Built-in UV stabilizer: Protects chlorine from sunlight degradation. In outdoor pools, this can be the difference between steady protection and wasted product.
• pH neutral: With a pH of 7.0, Rx Clear minimizes swings in water balance, which reduces the need for pH up/down chemicals and protects your pool surfaces and equipment.
• Residue-free granules: Dissolve quickly and cleanly, leaving no cloudy water or gritty buildup at the bottom of the pool.
• Triple function: Works as a sanitizer, oxidizer, and algaecide, making it an efficient one-product solution for most pool maintenance routines.

This blend of features means fewer chemicals to manage and fewer surprises to troubleshoot.

How the Chemistry Works

The science behind Rx Clear lies in its formulation. Sodium dichloro-s-triazinetrione is a stabilized chlorine compound that performs consistently under pressure. Here’s how it delivers:

• Strong chlorine availability: The 55.5% available chlorine ensures that even small doses pack a punch.
• Stabilized with cyanuric acid: This acts like a shield for chlorine, reducing the speed at which UV rays break it down. In fact, without stabilization, most chlorine breaks down within just a few hours of direct sun exposure.
• Even sanitization: The granules dissolve evenly in the pool, distributing chlorine throughout the water without creating hotspots or residue.
• Balanced pH: A neutral pH level supports stable water chemistry, making it easier to manage alkalinity and reducing scale or corrosion risks.

These features translate into predictable, worry-free pool care—even in intense heat or during peak swim season.

How to Use Rx Clear: A Quick Application Guide

Getting the most from Rx Clear doesn’t require guesswork. Just follow a few simple guidelines for consistent results.

Daily maintenance dose

• Use 1 ounce of product per 5,000 gallons of water.
• Apply directly to the skimmer while the pump is running to ensure even distribution.

Shock treatments

• For algae, heavy use, or after storms, triple the maintenance dose.
• Add after sunset to reduce UV loss and allow chlorine to work overnight.

Testing and monitoring

• Test chlorine levels (target 1–3 ppm), pH (7.2–7.6), and stabilizer (30–50 ppm) at least twice a week.
• Look out for cloudy water (low chlorine or poor filtration), green water (early-stage algae), or eye irritation (usually a sign of pH imbalance, not excess chlorine).

Safe handling

• Always measure with a dedicated scoop.
• Store in the original container in a dry, shaded area—preferably locked away from children and pets.
• Never mix with other pool chemicals, especially acids, to avoid dangerous reactions.

Used correctly, Rx Clear provides clean water with fewer surprises and less time spent adjusting other chemicals.

Cost and Value: How It Stacks Up

At $259.99 for a 50-pound bucket, Rx Clear may seem like an upfront investment—but when you break it down, it’s one of the most cost-effective options on the market.

Here’s the math:

• One 50-pound bucket contains about 800 ounces.
• A 15,000-gallon pool needs 3 ounces daily for maintenance.
• That’s roughly 90 ounces per month, meaning one bucket lasts close to 9 months.

Bulk buyers—especially those managing multiple pools—can save even more. The 24-bucket package lowers the per-unit price significantly while ensuring consistent supply during the busy season.

Even better, Rx Clear can reduce your need for other chemicals. The built-in stabilizer replaces the need for separate cyanuric acid, and the pH-neutral formula means you’ll likely use fewer pH adjusters over time. Fewer chemicals mean fewer expenses and fewer headaches.

Safety and Storage Tips

Like all chlorine products, Rx Clear must be handled with care. A few safety reminders:

• Store responsibly: Keep in a dry, shaded area, away from anything flammable or heat-generating.
• Keep out of reach: Use locked storage if kids or pets are around.
• Proposition 65 warning: The product contains substances regulated in California for potential cancer risk, a label common to concentrated chlorine products.
• Do not mix: Never combine with other pool chemicals, especially calcium-based or acid products. Dangerous gases can result.

For disposal, follow your local hazardous waste guidelines. Empty containers are often recyclable, but unused chlorine should not be tossed in the trash.

Maintenance Schedule and Best Practices

To get the most from Rx Clear, align your pool maintenance routine with a seasonal plan.

Spring startup

• Perform an initial shock treatment (double or triple dose).
• Test and adjust stabilizer and pH levels.

Summer routine

• Add 1 oz per 5,000 gallons daily.
• Test water twice a week.
• Brush surfaces weekly and clean filters monthly.

Fall wind-down

• Lower dosing as water use and temperature drop.
• Balance water chemistry before closing.

Hot tubs and spas

• Use ¼ teaspoon per 100 gallons after each use.
• Maintain regular testing due to smaller volume and higher heat.

If you use an automatic chlorine feeder, Rx Clear granules dissolve cleanly and consistently, making them an excellent fit for in-line dosing systems.

For peak performance, maintain these water chemistry levels:

• pH: 7.2–7.6
• Total alkalinity: 80–120 ppm
• Calcium hardness: 200–400 ppm
• Cyanuric acid: 30–50 ppm

The Final Word

Pool owners shouldn’t have to choose between simplicity and effectiveness. With Rx Clear Stabilized Granular Chlorine, you get both. Its high-strength, fast-dissolving, pH-balanced formula means cleaner water with fewer chemical tweaks and less stress. Whether you’re new to pool care or a seasoned pro, this product makes it easier to do things right the first time.

Stay consistent, monitor your water, and follow the basic application schedule. With Rx Clear in your toolkit, you’ll be able to enjoy a clean, inviting pool all summer long—with less work and fewer worries.

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