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Atlantic Water Gardens SP3800 molded spillway with 38-inch waterfall opening and 3-inch spinweld inlet, front view.

Atlantic Water Gardens SP3800 - 38" Big Bahama FastFall, 3" Spinweld

Brand: Atlantic Water Gardens
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$542.65
$406.99
SKU SP3800

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The Atlantic Water Gardens SP3800 Big Bahama FastFall is a Pro Series pond-free spillway engineered for heavy-duty performance and easy installation. Its crush-proof one-piece construction, internal baffles, and molded support cones deliver even water distribution and the strength to support large rock and landscaping.

  • 38" wide spillway opening with overall dimensions 39.5"W x 17"D x 10.25"H for broad, natural-looking waterfall flows.
  • Installed 3" spinweld inlet (3" FIPT) for a secure, leak-resistant plumbing connection, no separate bulkhead required.
  • Rated for maximum pump flow up to 9,000 GPH; size pump to desired flow and head for the appearance you want.
  • One-piece molded polyethylene body with reinforced spillway lip and internal baffles for even flow and long-term durability.
  • Raised front radius holds back camouflage materials such as gravel, soil, or mulch for a seamless landscape finish.
  • Designed for pond-free applications; rear liner flange simplifies watertight liner attachment and reduces installation time.

Includes factory-installed spinweld fitting and is supported by manufacturer documentation. See the Pond-Free manual for complete installation instructions, pump selection guidance, site preparation, and seasonal maintenance recommendations. This unit provides professional-level strength, consistent flow, and straightforward plumbing for both contractors and experienced DIYers.

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Frequently Asked Questions

What pump size is recommended for the SP3800 FastFall?
Use a pump sized up to 9,000 GPH; choose flow based on desired waterfall appearance and head.
How do I install the SP3800 in a pond-free system?
Install inside the liner using the rear liner flange, connect the 3" spinweld inlet, and camouflage with rock. See manual.
Can the unit support large rock and landscaping materials?
Yes. Molded support cones and reinforced spillway lip make the Pro Series crush-resistant and suitable for heavy rock placement.
What maintenance does the SP3800 require and how often?
Periodic debris removal from the spillway, check inlet and baffles seasonally, and consult the Pond-Free manual for full maintenance schedule.

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