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Upgrade your wake with the SWELL Core 900 LB Ballast Bag, the most popular size for 23' and over V-Drive wake boats. Built for riders who demand more push, more height, and cleaner surf waves, this ballast bag is designed to maximize wake performance whether you’re wakesurfing or wakeboarding.
Perfect Fit for Wake Boats
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V-Drive boats: Place one on each side of the engine in the rear lockers for balanced, powerful wakes.
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Universally sized to be the go-to ballast bag for 23' and over V-Drive wake boats.
Features That Deliver Performance
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Massive 900 LB Capacity – adds serious weight for a bigger, cleaner wave.
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4 Reinforced 1" Ports – connect easily to pumps or ballast systems.
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Includes 4 Air Release Plugs – simple fill and drain management.
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Compatible with Ballast Systems and portable pumps – Flow-Rite Adapters required for ballast systems and Tsunami Pump Adapter for portable pumps(sold separately)
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Fast Fill & Drain – 30% increased flow rate compared to standard Fatsac bags.
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Durable Construction – built to withstand season after season of riding.
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Dimensions: 45" x 25" x 20"
Why Riders Choose SWELL
At SWELL, we ride what we sell. That means every ballast bag is tested on the water to ensure you’re getting the cleanest surf wave possible. Whether you’re stacking weight for pro-level tricks or just chasing the perfect endless wave, the SWELL Core 900 LB Ballast Bag delivers.

