Black Algaetrine Pool Algaecide by Applied Biochemists | 32 oz | 406303

Conquer stubborn black algae with Applied Biochemists Black Algaetrine 32 oz (406303), a targeted pool algaecide formulated to destroy black algae colonies down to their roots. Its specialized chemistry penetrates the protective outer layer that makes black algae so difficult to remove, delivering thorough elimination and helping prevent regrowth so your pool water stays clean and inviting. How long until I see results? Can I...

Black Filter Tension Control Clamp Kit by Pentair | 190003

The genuine Pentair tension control clamp kit 190003 is engineered as a direct replacement for Clean and Clear and FNS Plus model filters. Fabricated entirely from stainless steel for maximum corrosion resistance, this kit delivers a full clamp assembly complete with spring, washer, and nut -- everything needed for a quick, rock-solid installation. Keep your filter housing firmly sealed and your maintenance routine simple with...

Black Filter Tension Control Clamp Kit | Swimables 190003 Replacement | SW-26-003

Lock down your Pentair filter housing with the Swimables SW-26-003 tension control clamp kit, a stainless steel replacement engineered for Clean and Clear and FNS Plus model filters. This all-in-one kit ships with every component you need for a solid, secure closure, including the clamp body, spring, washer, and nut. Upgrade your existing hardware with this corrosion-resistant assembly and enjoy worry-free filter maintenance for seasons...

Black Unit Algaecide & Mineral Purifier 4-Pack | PoolRx 331067

Protect your pool against algae and cloudiness with the PoolRx Black Unit 331067 (4-Pack), a mineral-powered purification system that delivers pristine, healthy water while dramatically lowering chlorine consumption. The specialized mineral blend steadily dissolves into the water, amplifying chlorine's ability to neutralize bacteria and prevent algae from taking hold. Packaged as a 4-pack, this set is ideal for treating larger pools or servicing multiple bodies...

Blue & White Mineral Clarifier for 7.5k-20k Gallon Pools | PoolRx 331001

Achieve noticeably clearer pool water and lower chemical costs with the PoolRX Blue & White Mineral Clarifier 331001. Formulated with a specialized proprietary mineral blend, this unit actively combats algae growth and supercharges sanitizer performance in pools holding 7,500 to 20,000 gallons. Setup is as simple as dropping the unit into your pool pump basket, where it steadily releases its mineral formula to promote balanced,...

Blue Devil 1 lb DE Powder Scoop with Handle – Pool Filter Accessory | B8300

The Blue Devil D.E. Scoop with Handle B8300 is a practical measuring tool purpose-built for handling diatomaceous earth (D.E.) powder during pool filter servicing. Holding a volume equal to a 1-pound coffee can, it takes the guesswork out of portioning the right quantity of D.E. for your filter. As a general guideline, a single scoop covers approximately every 5 square feet of filter area. Constructed...

Blue Devil 100 ft Heavy Duty Pool Backwash Hose with Clamp – 2" Diameter | B8257

The Blue Devil / Valterra 100' Backwash Hose with Clamp B8257 provides a dependable pathway for routing wastewater away from your pool filter during backwash cycles, supporting consistent filtration health. Fabricated from 22 mil reinforced vinyl, this 2-inch diameter by 100-foot hose delivers the strength and flexibility needed for demanding pool environments, and it can be trimmed to your preferred length for a custom fit....

Blue Devil 200 ft Heavy Duty Pool Backwash Hose with Clamp – 2" Diameter | B8202X

When it comes to flushing dirty water from your pool filter, the Blue Devil B8202X 200-foot backwash hose delivers unmatched reach and reliability. This 2-inch diameter hose is engineered from rugged 22 mil reinforced vinyl that stands up to repeated use without cracking or splitting. Simply slide a tapered fitting into your filter's backwash port, secure it with the included clamp, and direct wastewater exactly...

Blue Devil 25 ft Heavy Duty Pool Backwash Hose with Clamp – 2" Diameter | B8259

For pool owners who need a short, dependable backwash line, the Blue Devil B8259 25-foot hose is the smart pick. Built from 22 mil reinforced vinyl in a 2-inch diameter, it handles the full force of backwash discharge without ballooning or bursting. Connecting it is as simple as pushing a tapered fitting into your filter's backwash outlet and fastening the included clamp. Its manageable length...

Blue Devil 5 Way OTO Swimming Pool & Spa Water Test Kit | B7448

Stay on top of your water chemistry with the Blue Devil B7448 5-Way OTO Pool Test Kit. This all-in-one testing set lets you check chlorine/bromine concentrations, pH levels, alkalinity, and acid demand right at poolside. Color-matched comparators and step-by-step directions take the guesswork out of every reading, so you always know exactly what your water needs. Everything packs neatly into a hard plastic carrying case...

Blue Devil 50 ft Heavy Duty Pool Backwash Hose with Clamp – 2" Diameter | B8258

The Blue Devil B8258 50-foot backwash hose strikes the ideal balance between reach and manageability for most pool setups. Manufactured from 22 mil reinforced vinyl with a full 2-inch inner diameter, it withstands high-volume backwash flow while resisting kinks and punctures. Attachment is quick: insert a tapered fitting into your filter's discharge port, slide the hose on, and cinch the included clamp. If 50 feet...

Blue Devil Phenol Red #2 Reagent – 5 Way Test Kit Refill | 8 oz | B7492

Blue Devil #2 Phenol Red from Blue Devil is a dependable reagent refill crafted for professional-grade pool and spa water testing applications. Key Benefits Dedicated pH Testing Reagent: Blue Devil #2 Phenol Red (5-Way) B7492 is formulated specifically for Blue Devil test kits, providing precise pH readings for swimming pools and spas. Supports Optimal Water Chemistry: This 8-ounce bottle enables you to monitor and maintain...

Blue Lens Cover for Pool Light – Universal Snap-On | Blue Devil B8481

Transform your evening swim with the Blue Devil B8481 Blue Lens Cover. This 7.5" diameter lens snaps directly over Amerlite underwater pool lights, bathing the water in a calming aqua blue radiance. Crafted from sturdy plastic built to endure constant submersion, it holds its color and clarity through countless nights of use. Installation takes seconds: no tools, no wiring changes, just press the lens onto...

Blue Unit Algaecide & Mineral Purifier | PoolRx 331003

Upgrade your pool sanitation with the PoolRx Blue Unit 331003, a mineral-based purifier engineered to dramatically cut down on chlorine consumption while keeping your water crystal clear and free from algae. This innovative unit releases a proprietary mineral blend directly into your pool water, forming a persistent residual that amplifies the sanitizing power of even low chlorine concentrations. Once dissolved, the minerals remain actively working...

Breather Tube Assembly for Jandy Filters – Swimables R0358700 (SW-28-358)

Restore proper air venting in your Jandy filter system with the Swimables SW-28-358 Breather Tube Assembly, a direct replacement for the Jandy R0358700 part. This assembly is essential for allowing trapped air to escape during filtration cycles, which prevents air locks that can reduce flow rate and compromise cleaning effectiveness. It is compatible across a broad range of Jandy cartridge filters (CV340, CV460, CV580, CL340,...

Breather Tube for Pentair FNS Plus Filters – Swimables 190092 (SW-26-092)

Engineered as a drop-in substitute for Pentair part number 190092, the Swimables Breather Tube SW-26-092 serves as an indispensable internal air bleed component for Pentair FNS Plus Pool and Spa D.E. Filters. This assembly works by venting accumulated air from the upper portion of the filter tank, which prevents unwanted pressure increases and promotes smooth, uninterrupted filtration. Crafted from resilient, pool-rated materials, this breather tube...

Brilliance Oxidizing Tablets 1.75 lbs | Spa Shock Treatment | 83765

Keep your spa or hot tub water sparkling clean with Brilliance Oxidizing Tablets 83765. This non-chlorine shock treatment is formulated to work seamlessly in both chlorine-sanitized and bromine-sanitized systems. The fast-dissolving tablets target and break down organic buildup from body oils, lotions, soaps, and deodorants that accumulate during regular use. The result is noticeably clearer water and a fresher soaking environment without the harshness associated...

Brilliant Wonders 18" LED Waterfall Light Strip with Connector | CMP 25677-180-950

Transform your pool waterfall into a stunning nighttime centerpiece with the CMP Brilliant Wonders 18" LED Waterfall Light Strip 25677-180-950. This 18-inch strip mounts directly inside the waterfall housing, replacing the need for standalone fiber optic lighting with a sleek, all-in-one solution. A distinctive "sawtooth" lip along the edge churns the water as it cascades, intensifying the glow of the LEDs and producing a captivating...

Bronze Pool Ladder Anchor by S.R. Smith | 6" Deep | 1.90" OD | AS-100D

Secure your pool rails, ladders, and accessories with confidence using the S.R. Smith Bronze Pool Anchor AS-100D. This 6" deep anchor boasts a 1.90" outer diameter (OD) and is cast from corrosion-resistant bronze, delivering unwavering strength in wet, chlorinated conditions. Whether installed at a residential backyard pool or a busy commercial facility, this anchor creates a rock-solid mounting foundation for handrails and other deck-mounted equipment....

Bronze Pool Rail Anchor by S.R. Smith | 4" Deep | 1.50" OD | AS-200B

Give your pool handrails a solid, lasting foundation with the S.R. Smith Bronze Rail Anchor AS-200B. Measuring 4" deep with a 1.50" outer diameter (OD), this anchor is forged from corrosion-resistant bronze to deliver years of reliable service in demanding aquatic environments. Purpose-designed for safety rail installations, it creates a stable, dependable mounting point that makes entering and exiting the pool safer and more comfortable....