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A flexible pool system from Doughboy
Hydrosphere pairs a 52-inch steel wall system with a flat-bottom design and two installation configurations. Its construction and finishing components are selected for the way the pool will be installed.
Installation flexibility
Hydrosphere can be set at least 24 inches into the ground or installed fully inground. It uses installation-specific bracing and edge components:
This gives homeowners more choice in how the pool meets a slope, patio, or deck.
52-inch wall system
Doughboy says the taller 52-inch walls allow Hydrosphere to use a flat-bottom liner while retaining usable water depth. Pool depth and finished water level depend on the selected size and installation details.
Hydrosphere is a flat-bottom pool; it does not have a deep-end floor option. For a Doughboy inground pool with a deep end, DB Trimax is the separate line to explore.
Steel construction
Doughboy identifies Hydrosphere wall panels as galvanized 14-gauge steel and describes its walls, floor, and braces as American-made steel with Poly Shield protection.
Backyard layout choices
The series includes round, oval, rectangle, Grecian, and freeform pools. Dimensions vary by shape, and rectangular models are offered with different corner radiuses.
Choosing the shape and size early helps with site planning, excavation, access, deck layout, and selecting the correct specification sheet.
Plan the pool around your yard
Hydrosphere is Doughboy’s 52-inch-wall, flat-bottom pool series. It is designed for semi-inground installation, with at least 24 inches of the pool set into the ground, and can also be installed fully inground. The installation type determines the supporting components and how the pool edge is finished.
Set the pool partially into the ground, with at least 24 inches of the wall below grade.
The semi-inground configuration uses Double F-Track at the top of the pool. A decorative top rail is available for this installation style.
Install the Hydrosphere pool fully below grade and finish the pool edge with coping and a surrounding deck or patio.
The fully inground setup uses a wall-mounted skimmer. The pool remains a flat-bottom Hydrosphere; for a Doughboy inground pool with a deep end, explore the DB Trimax line.
Find a footprint that fits your yard
From a classic round pool to a more defined Grecian or freeform design, Hydrosphere offers five shapes. Available dimensions depend on the shape you choose.
A clean, structured layout with two corner-radius options for a sharper or softer look.
Corner options: 6-inch radius or 2-foot radius.
A balanced footprint with no long axis to plan around.
An elongated layout that creates more length while keeping rounded ends.
A rectangular swimming area with clipped, angled corners for a more architectural profile.
A flowing outline that brings a less geometric shape to the backyard.
Check the exact specification before planning the site. Doughboy’s dimensions and installation drawings vary by shape, size, and installation type. Confirm the matching specification sheet for excavation, access, deck layout, and equipment planning.
Understand the package before you choose
A Hydrosphere pool can be sold as a structural base kit or as a more complete package. The exact contents depend on the seller’s package and whether you choose a semi-inground or fully inground installation.
The pool structure
Doughboy’s installation guides identify these as the core structural components. The edge and bracing parts change to match the installation type.
A little planning makes the next steps clearer
Before choosing a package or starting excavation, line up the pool configuration, site plan, local requirements, and delivery details.
Decide on the shape, size, semi-inground or fully inground setup, edge finish, and entry location. These choices affect the plan and selected components.
Check available space, slope, drainage, and access for excavation. Doughboy’s guide calls for a level base and notes that high water conditions may require water management before installation.
Ask your local building department about permits, barriers, setbacks, and inspections. Decide whether an experienced installer or contractor will handle excavation, construction, and finishing.
Confirm which liner, entry system, skimmer and return, pump and filter, plumbing, lighting, and insulation are part of your package. Plan a clear route for freight delivery and a place to receive and stage the pallets.
Before you request a price or consultation
Answers before you plan your pool
Key details about installation, pool options, and what to confirm when planning a Hydrosphere project.
Doughboy lists Hydrosphere for semi-inground installation beginning at 24 inches into the ground, through fully inground installation. Use the specification sheet and installation guide for the selected pool and installation type.
The Hydrosphere pool structure remains the same, while selected components change to suit the installation. These include the braces, top liner track or coping, and skimmer and return configuration.
Semi-inground installations use Double F-Track; a top rail is available for this setup. Fully inground installations use coping: CP2 Bullnose for a poured concrete deck or Flat Track Cantilever for a cantilevered concrete edge, pavers, or stone.
No. Hydrosphere uses a flat-bottom design. Doughboy’s separate DB Trimax line is the inground option with deep-end configurations.
Doughboy lists round, oval, rectangle, Grecian, and freeform shapes. Available dimensions vary by shape; rectangular pools also have two corner-radius options. See the Explore Shapes & Sizes section above for the published size list.
Doughboy advises that permits and fencing are required for semi-inground and inground pools. Requirements vary by location, so confirm permits, barriers, setbacks, and inspections with your local building department.
Package contents vary. The structural base kit includes the wall system, installation-specific braces and top edge components, hardware, rebar, and safety signage. A more complete package may include a liner, skimmer and return, steps or ladder, and other equipment. Ask for an itemized list of what is included.
Doughboy describes Hydrosphere as suitable for experienced DIY homeowners and contractors. The installation guide covers pool assembly; excavation, electrical work, and the surrounding deck or finish may require qualified professionals. Pool package pricing does not include installation.
Doughboy says a saltwater system can be used, but recommends chlorine. Salt can be harsh on pool equipment and may make water balance more difficult. Confirm compatibility for each piece of equipment in your system.
Doughboy says heaters can be used with Hydrosphere pools, though a heater may need to be sourced separately. Confirm heater sizing, plumbing, electrical or gas requirements, and compatibility with your chosen equipment.
Doughboy states that the Hydrosphere pool structure has a limited lifetime warranty. Other components have their own written warranty terms. Review the current warranty documents for the exact parts in your package.
Doughboy may be able to connect homeowners with a participating dealer for an installation estimate or consultation. Dealer availability depends on your area, and installation is separate from the pool package.
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