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Hot Tub Serum Sharky | Oil-Absorbing Spa Sponge

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Hot Tub Serum Sharky | Oil-Absorbing Spa Sponge

Sharky is part of Hot Tub Serum's line of oil-absorbing sponges — a simple, chemical-free way to keep your spa water clean. It floats on the surface and quietly soaks up the body oils, lotions, makeup, and other contaminants bathers leave behind, capturing them before they clog your filter or form scum lines on the shell.

Those oils are the root of some of the most common spa annoyances. Left in the water, they collect at the surface and along the waterline, creating that greasy scum ring, and they get pulled into your filter where they clog the pleats and shorten cartridge life. A floating absorber intercepts them at the surface — exactly where they gather — so they never reach the shell or the filter in the first place.

Crafted with a premium 3D air mesh skin that maximizes surface contact for superior absorption, Sharky is reusable and washable, delivering powerful cleaning action with no chemicals and no hassle. It's one of the easiest upgrades you can make to your maintenance routine: just drop it in and let it work.

Pro Tip: A sponge and an enzyme are a great team. Sharky physically pulls oils off the surface, while a weekly enzyme or a product like Hot Tub Serum Total Maintenance works on the organics throughout the water. Using both means less oil reaching your filter from either direction — cleaner water, a cleaner shell, and longer filter life.

Brand

Hot Tub Serum®

Sharky is part of Hot Tub Serum's line of oil-absorbing sponges — a simple, chemical-free way to keep your spa water clean. It floats on the surface and quietly soaks up the body oils, lotions, makeup, and other contaminants bathers leave behind, capturing them before they clog your filter or form scum lines on the shell.

Those oils are the root of some of the most common spa annoyances. Left in the water, they collect at the surface and along the waterline, creating that greasy scum ring, and they get pulled into your filter where they clog the pleats and shorten cartridge life. A floating absorber intercepts them at the surface — exactly where they gather — so they never reach the shell or the filter in the first place.

Crafted with a premium 3D air mesh skin that maximizes surface contact for superior absorption, Sharky is reusable and washable, delivering powerful cleaning action with no chemicals and no hassle. It's one of the easiest upgrades you can make to your maintenance routine: just drop it in and let it work.

Pro Tip: A sponge and an enzyme are a great team. Sharky physically pulls oils off the surface, while a weekly enzyme or a product like Hot Tub Serum Total Maintenance works on the organics throughout the water. Using both means less oil reaching your filter from either direction — cleaner water, a cleaner shell, and longer filter life.

Brand

Hot Tub Serum®

$9.78

Original: $27.95

-65%
Hot Tub Serum Sharky | Oil-Absorbing Spa Sponge

$27.95

$9.78

Description

Sharky is part of Hot Tub Serum's line of oil-absorbing sponges — a simple, chemical-free way to keep your spa water clean. It floats on the surface and quietly soaks up the body oils, lotions, makeup, and other contaminants bathers leave behind, capturing them before they clog your filter or form scum lines on the shell.

Those oils are the root of some of the most common spa annoyances. Left in the water, they collect at the surface and along the waterline, creating that greasy scum ring, and they get pulled into your filter where they clog the pleats and shorten cartridge life. A floating absorber intercepts them at the surface — exactly where they gather — so they never reach the shell or the filter in the first place.

Crafted with a premium 3D air mesh skin that maximizes surface contact for superior absorption, Sharky is reusable and washable, delivering powerful cleaning action with no chemicals and no hassle. It's one of the easiest upgrades you can make to your maintenance routine: just drop it in and let it work.

Pro Tip: A sponge and an enzyme are a great team. Sharky physically pulls oils off the surface, while a weekly enzyme or a product like Hot Tub Serum Total Maintenance works on the organics throughout the water. Using both means less oil reaching your filter from either direction — cleaner water, a cleaner shell, and longer filter life.

Brand

Hot Tub Serum®