The 7 best pool cleaners for fiberglass pools of 2025

Powerful Scum Removal: Our Pool Waterline Cleaner spray is formulated to effectively remove scum lines from pool liners, tiles, and fiberglass waterlines. It easily lifts away dirt, grease, oils, and black streaks.

Gentle Formula for All Pools: Our gentle formula is suitable for all types of pools, ensuring thorough cleaning without causing damage. Please note that it's not an acid and won't remove calcium deposits.

Versatile for All Pool Types: Whether you have a home pool, community pool, resort pool, inground pool, above-ground pool, fiberglass pool, liner pool, tile pool, aggregate pool, or a hot tub or spa, our Pool Waterline Cleaner works effectively.

Extend Pool Life: Regular use of our cleaner can help extend the life of your pool components, providing value for your investment.

Multi-Surface Cleaning: Our versatile formula isn't limited to waterlines. It's suitable for cleaning plastic and resin pool ledge chairs, patio furniture, removing black streaks from gutters, and tackling soap scum in showers. It's a comprehensive solution for maintaining a clean pool area.

POWERFUL CLEANING ACTION - Specially formulated to tackle rust, dried fish blood, and leaf stains on fiberglass & painted surfaces

GEL SPRAY FORMULA STICKS - Clings to vertical surfaces for better stain penetration without run-offs or drips

REMOVES WATERLINE STAINS - Easily eliminates 'yellowing' tannic stains and tough waterline stains from boat hulls, plastic and painted surfaces

EASY TO USE - Simply spray affected area, let it soak until stain disappears, then rinse thoroughly with water

TARGETED APPLICATION - Gel spray design ensures precise application while limited drips & runoff ensure only the stained area is treated

PROUDLY AMERICAN, TRUSTED GLOBALLY - With STAR BRITE, you're choosing a leading name in marine, auto, RV, home, and outdoor products since 1973, all proudly crafted in the USA for superior quality and performance

Helps Prevent Water Line Build-Up

Removes Body Oils, Grease and Grime

Works Well on Multiple Surfaces

Customer favorite

Easy to use

🐳 POWERFUL SUCTION: Equipped with 7800mAh battery, 180W brushless motor and 300 μm filter, this pool robot can thoroughly and efficiently remove all kinds of debris and trash from the pool surface. Robotic Pool Cleaner can work for up to 150 minutes on a single charge. This new pool robot is suitable for in-ground pools with an area of 1614 Sq.ft and a depth of up to 9.8 feet.

🐳 INTELLIGENT NAVIGATION SYSTEM: Cordless Robotic Pool Vacuum is equipped with more than 20 sensors, utilizing precise positioning and navigation technology, the pool cleaner cleans the pool according to the N-shaped path, and the cleaning efficiency of the pool is increased by 10 times.(not recommended for steps).

🐳 MULTIPLE CLEANING MODES: Vacuum Pool Robot specific overall, floor, and wall cleaning modes. It can be adjusted according to the needs of the pool, enhancing a tailor-made cleaning experience for luxury homes and resorts seeking a pristine environment.

🐳 DURABLE CONSTRUCTION: This pool robot meets the demands of pool cleaning and ensures long-lasting performance. The upgraded motor and 4-wheel drive system makes the machine suitable for a variety of pool surfaces, including PVC, tile, mosaic and glass.

🐳 ONE BUTTON OPERATION: Simple to operate, one button to use the Pool Vacuum. You can also turn on the filter cartridge at the touch of a button for hassle-free maintenance.

Efficiently remove the most stubborn scale, dirt, and stains

Works on most types of pool and spa surfaces including plastic, vinyl, fiberglass, ceramic and painted surfaces

Do not use this product on copper, brass, marble, stainless steel, aluminum or galvanized surfaces

✅ FAST EASY and SAFE USE--Naturally remove stains from pool linings and underwater surfaces without scrubbing. Completely safe for your pool, produced from citrus by-products. Works on fiberglass and vinyl pool surfaces.

✅ SIMPLE TO APPLY- Simply pour Vanish Pool Stain Remover into the pool around the stained area and watch the stains disappear. You may choose to mildly brush the surface for heavier stains.

✅ HIGHLY EFFECTIVE AGAINST METAL STAINS- Occasionally pools can get excess metals from pool components, heaters, or piping. Our formula easily dissolves the toughest rust and metal stains from your pool with minimum effort.

✅ TREATS UP TO 20,000 GALLON OF WATER!!!

FAST EASY and SAFE USE--Naturally remove stains from pool linings and underwater surfaces without scrubbing. Completely safe for your pool, produced from citrus by-products. Works on fiberglass and vinyl pool surfaces.

SIMPLE TO APPLY- Simply pour Vanish Pool Stain Remover into the pool around the stained area and watch the stains disappear. You may choose to mildly brush the surface for heavier stains.

HIGHLY EFFECTIVE AGAINST METAL STAINS- Occasionally pools can get excess metals from pool components, heaters, or piping. Our formula easily dissolves the toughest rust and metal stains from your pool with minimum effort.

TREATS UP TO 20,000 GALLON OF WATER!!!