Slight wave irregularities often ruin a clean wakesurf lip, but the compact FatSac Fat Brick 155# Ballast lets boat captains micro-adjust weight distribution on the fly. FatSac specifically shaped this portable cube bladder to fit inside tight, awkward spaces across the deck or cockpit floor without creating passenger trip hazards. Adding 155 lbs of targeted water weight cleans up messy foam wash, keeping your wave tracking pocket highly stable. The heavy-duty webbing grab handle allows for rapid repositioning as passenger counts shift throughout the afternoon. Edge tracking remains secure. The wake shape stays perfectly optimized.

This mobile tuning block relies on a proprietary, layered UV-stabilized polyvinyl chloride fabric that handles intense regular wear and abrasive fiberglass rubbing. High-frequency welded seams are pressure taped by hand to prevent structural blowouts when passengers stand or step directly on the compact block. Boaters looking to link external plumbing lines frequently match these high-flow valve ports with hardware from our boat wakeboard package sets lineup to speed up filling cycles. Two inset ports prevent leaks.

Key Features of FatSac Fat Brick 155# Ballast

- 155 lbs Targeted Ballast: Displaces 18.6 US gallons of water to micro-adjust weight distribution and clean up messy wave lips instantly.
- Webbing Grab Handle Tracks: Features a heavy-duty integrated webbing handle designed to allow fast, easy repositioning anywhere inside the boat cabins.
- Compact Cube Architecture: Measures 16 x 16 x 16 inches to sit snugly in narrow corners or open floor walkways.
- High-Frequency Pressure Welds: Fuses all structural joints with taped burst-proof seam technology to handle passengers standing directly on the skin.
- Quick-Twist Fitting Pack: Includes one W730 quick-twist plug and one W749 quick-connect adapter to ensure immediate out-of-the-box pump connection.
- Two Inset Valve Ports: Outfits the body with low-profile inset valve ports compatible with standard high-flow portable ballast pumps.
- Commercial Grade Vinyl Shield: Formulates the exterior coating to resist sun baking and chemical rot inside dark under-seat storage lockers.
- USA Handmade Precision: Constructs every ballast sac by hand in the USA to guarantee professional marine-grade material strength and longevity.

Micro-Adjusting Weight Distribution & Wave Lip Shaping

This 155 lbs portable brick functions as the ultimate fine-tuning tool for balancing out shifting passenger weights or uneven fuel tank loads. Moving this compact weight low along the side rail cleans up a washed-out curl, letting surfers ride way back safely.

Our boat crew threw this 155 lbs fat brick into a rental fleet to monitor wave micro-adjustments. Moving the bag to the port corner took less than a minute using the beefy webbing handle. It completely cleaned up a ragged wave crest, converting messy spray into a glassy surf zone with a crisp lip while holding dead solid on the deck.

Why Choose FatSac Fat Brick 155# Ballast

Standard hard lead weights scratch fiberglass hulls, smash passenger toes, and cannot be drained, making them heavy, dangerous hazards to carry all summer. The FatSac Fat Brick prevents this safety issue by wrapping your ballast in a soft, walkable vinyl casing that drains completely dry when your session ends, protecting your boat maintenance budget.

Factory Warranty & Professional Care Guidelines

FatSac backs this Pro-X series portable sac with an official 1 Year Limited Manufacturer Warranty covering material and seam defects. To extend the life of the high-frequency welded seams, always hand-tighten the quick-twist fittings before pump use. Dry the vinyl completely before winter storage.