Transform your wake with the SWELL Core 900 LB Ballast Bag—professional-grade wake ballast bags engineered for serious wakeboarding and wake surfing. Built with commercial-grade materials used in whitewater rafting and commercial applications, these ballast bags deliver unmatched durability and performance. Our 900-pound ballast bags feature ultrasonically welded and taped seams guaranteed leak-free, outlasting ordinary wake ballast bags season after season. Equipped with four 1-inch NPT threaded fittings with integrated O-ring seals, SWELL Core ballast bags fill and drain 30% faster than standard ballast bags for wakeboarding, giving you more time on the water and less time waiting. Each bag includes 4 leak-proof valve caps with pump and hose fittings sold separately. Measuring 45 inches long by 25 inches tall by 20 inches wide when filled, this 900+ pound ballast bag offers versatile placement in storage compartments, under seats, or custom positions throughout your boat. Whether you're dialing in the perfect wake surfing wave or maximizing ballast for wakeboarding, these bags deliver customizable weight distribution for clean, powerful wakes. Stop settling for inferior ballast bags that leak, tear, or take forever to fill. The SWELL Core series brings professional-level wakesurfing equipment performance to your boat surfing setup, working seamlessly as part of your complete wake shaper system. Commercial-grade construction, leak-proof welded and taped seams, rapid 1-inch fill and drain fittings, 900+ pound filled capacity, and versatile sizing make SWELL Core the ultimate choice for ballast bags for wakeboarding and wake surfing. Upgrade your wake shaper setup with ballast bags built to perform and create the perfect wake every session. Order your SWELL Core 900 today and experience the difference professional-grade ballast bags make.