Which Pool Filter is Best?

sheldon trieb • October 9, 2024

Sand Filters vs. Cartridge Filters: A New Perspective for 2024

Hi everyone! Sheldon Trieb here, and after 20 years of championing sand filters for pool maintenance, I’ve recently found myself re-evaluating this long-held belief. With the advancements in cartridge filter technology, I believe it’s time to discuss the differences between sand filters and cartridge filters, and why I’m leaning towards the latter as the better option for pool owners in 2024 and beyond.

The Long-Standing Debate

For years, sand filters have been the go-to choice for many pool owners, including myself. They’re simple to operate, effective at removing dirt and debris, and relatively easy to maintain. However, as technology has evolved, so have the options available to us. It’s important to look at the benefits and downsides of both systems to see why I’m considering a shift.

Sand Filters: The Traditional Favorite

How They Work: Sand filters use a tank filled with sand to filter out impurities from the water. Water flows through the sand, which traps particles, allowing clean water to return to the pool.

Advantages:

  • Low Maintenance: Once set up, sand filters require minimal maintenance. Backwashing is typically needed every few weeks, which is a straightforward process.
  • Longevity: With proper care, sand filters can last for many years—often 5 to 10 years before the sand needs replacing.
  • Cost-Effective: Generally, sand filters have a lower initial purchase cost compared to cartridge filters.

Disadvantages:

  • Water Use: Backwashing a sand filter uses a significant amount of water, which can be a concern, especially in areas prone to drought.
  • Less Effective Filtration: While sand filters are effective for larger debris, they may struggle with smaller particles, which can lead to cloudiness in the water.

The Rise of Cartridge Filters

How They Work: Cartridge filters use a pleated filter element to capture dirt and debris. Water flows through the cartridge, which traps particles before returning clean water to the pool.

The New Contender

Advantages:

  • Higher Filtration Efficiency: Cartridge filters can trap smaller particles than sand filters, often providing clearer water with less chemical usage.
  • Water Efficiency: Unlike sand filters, cartridge filters don’t require backwashing, which means less water waste and a more sustainable option.
  • Easier Maintenance: Cleaning a cartridge filter is as simple as removing the cartridge and rinsing it with a hose. There’s no need for backwashing, which simplifies the process.
  • Compact Size: Cartridge filters are typically smaller and can fit into tighter spaces, making them ideal for various pool configurations.

Disadvantages:

  • Higher Initial Cost: Cartridge filters usually have a higher upfront cost, but this can be offset by lower operational costs over time.
  • Replacement Costs: Cartridges will need to be replaced every 1 to 3 years, depending on usage and water conditions. However, the overall maintenance can still be lower than sand filters when considering water and chemical savings.

Why I’m Leaning Towards Cartridge Filters

Over the past few years, I’ve seen significant advancements in cartridge filter technology. The efficiency, ease of use, and water conservation benefits are increasingly hard to ignore. As someone who has always valued practicality and reliability, I find that cartridge filters are now meeting those criteria, and perhaps exceeding them.

At Midwest Container Pools, we are always looking to offer the best solutions for our customers. With the growing awareness of water conservation and the desire for clearer, cleaner pool water, I believe that transitioning to cartridge filters aligns with our commitment to innovation and quality.



Conclusion

As we move into 2024, it’s essential to adapt to new technologies and practices that enhance the pool experience for our customers. While sand filters have served us well over the years, the efficiency and sustainability of cartridge filters make them an attractive option that I can’t overlook any longer.

At Midwest Container Pools, we are excited to embrace this change and offer our clients the best pool care solutions. Whether you’re a long-time sand filter fan or considering a new setup, it’s worth evaluating the options available today. The future of pool filtration is bright, and I’m excited to see where it leads us!

If you have any questions about pool filtration systems or need advice on which option might be best for your pool, feel free to reach out! Happy swimming!

By sheldon trieb April 17, 2025
If you’re thinking about putting in a pool, chances are you’ve looked at the usual options: concrete, vinyl liner, or fiberglass inground pools. But in recent years, a new contender has entered the scene— shipping container pools —offering a modern, durable, and often faster alternative to traditional builds. At Midwest Container Pools , we’ve helped homeowners across the U.S. bring their backyard dreams to life with our fiberglass-lined, spray foam-reinforced container pools . But is a container pool right for you? Or should you go the traditional route? Let’s break down the key differences in cost, installation, customization, durability, and long-term value to help you make the best decision for your home, your family, and your budget. 1. Installation Time Shipping Container Pools One of the biggest advantages of container pools is how quickly they can be up and running. Because the entire structure is pre-built off-site, you’re not stuck waiting for weeks of excavation or construction delays. Once your foundation and utilities are prepped, your container pool can be craned into place and filled with water in a matter of days. Traditional Inground Pools Traditional pools—especially concrete—can take 8 to 12 weeks or longer from start to finish. Excavation, forming, inspections, and weather delays can drag the project out, turning your backyard into a job site for months. 🟢 Winner: Container pools — They’re quicker, cleaner, and less invasive to your yard. 2. Cost Comparison Shipping Container Pools A fully finished container pool typically starts around $35,000 to $65,000 , depending on features like heaters, windows, steps, tile, and more. Because it's delivered as a complete unit, installation costs are predictable and generally much lower than a traditional pool. Traditional Inground Pools A basic vinyl liner pool may start around $40,000, but prices rise quickly with upgrades. Concrete pools can easily hit $80,000 to $100,000+ , especially once you factor in decking, landscaping, and maintenance costs. 🟢 Winner: Container pools — You get premium features for less, with fewer surprise expenses. 3. Durability & Construction Shipping Container Pools At Midwest Container Pools, we reinforce each unit with closed-cell spray foam and line it with fiberglass , which is incredibly strong, waterproof, and algae-resistant. The container shell itself is built to withstand extreme loads and weather conditions—it was originally made to survive ocean shipping, after all. Traditional Inground Pools Concrete pools are extremely durable but can crack over time and often require resurfacing every 10–15 years. Vinyl liners are more affordable but prone to tearing or fading. Fiberglass inground pools are smooth and long-lasting but require proper install or they may shift. 🟢 Winner: Container pools — Industrial-grade steel and advanced coatings offer long-term durability with minimal upkeep. 4. Customization & Design Shipping Container Pools While you're working within a standard size (typically 20’ or 40’), there’s still a lot of room for creativity. Our pools can be customized with: Built-in benches and tanning ledges Window cutouts and acrylic panels LED lighting packages Custom stairs and entry points Tile or plaster finishes Custom exterior cladding to match your space Traditional Inground Pools Concrete pools win when it comes to design freedom. You can go freeform, geometric, zero-edge—pretty much anything your budget allows. Fiberglass and vinyl pools are limited by mold shapes, but still offer some flexibility. 🟡 Winner: Tie — Traditional pools offer more shape options, but container pools can still be highly customized and make a bold visual statement. 5. Energy Efficiency Shipping Container Pools Our spray foam insulation makes a big difference. It helps trap heat, reduce energy costs, and maintain consistent water temperature longer—especially when paired with a solar or gas heater. Traditional Inground Pools Most inground pools, unless upgraded with insulation or a heat-retaining cover, lose heat quickly through the ground. Concrete in particular can be less efficient due to thermal loss. 🟢 Winner: Container pools — Built-in insulation gives them a major edge in efficiency. 6. Portability & Flexibility Shipping Container Pools This is a huge plus for container pools—they’re completely portable . If you ever move, you can take your pool with you. They can also be relocated on your property or even sold to someone else later. Great for homeowners who don’t want to make a permanent change. Traditional Inground Pools Once it’s in, it’s in. You can’t take it with you, and removing it can be a major expense. 🟢 Winner: Container pools — They’re versatile and future-proof. 7. Maintenance Needs Shipping Container Pools Thanks to the fiberglass lining, container pools are easier to clean and resistant to algae and stains. They don’t require resurfacing or liner replacements, and they typically use a compact filtration system that’s easy to service. Traditional Inground Pools Concrete and vinyl pools often require more frequent brushing, chemical balancing, and long-term maintenance. Vinyl liners may need to be replaced every 7–10 years, and concrete will eventually need resurfacing. 🟢 Winner: Container pools — Less maintenance means more swim time and fewer headaches. 8. Permit & Zoning Requirements Shipping Container Pools In many areas, container pools fall into a different category than traditional inground pools—sometimes considered modular or semi-permanent structures. This can mean fewer zoning restrictions and a faster permit process, but it varies by state and city. Traditional Inground Pools These usually require full permits, site plans, inspections, and sometimes even neighborhood approvals, all of which add time and cost. 🟢 Winner: Container pools — They often qualify for easier permitting, though always check with your local code office. So... Which Pool Is Right for You? If you want: ✅ Faster installation ✅ Lower upfront cost ✅ Easier maintenance ✅ Durable, long-lasting design ✅ Modern aesthetics ✅ Portability and flexibility Then a Midwest Container Pool might be the perfect fit. But if you're dreaming of a fully custom-shaped design, a large pool for diving or lap swimming, or you’re planning a luxury backyard remodel from scratch—then a traditional inground pool could be worth the extra investment. Either way, your pool should match your lifestyle, your space, and your budget . Why Choose Midwest Container Pools? We’re not just repurposing old containers. At Midwest Container Pools, we engineer every unit from the ground up using our background in swimming pool construction and spray foam technology. Our builds are: Reinforced with closed-cell foam for structural support and insulation Lined with fiberglass for a smooth, watertight, and long-lasting finish Custom-built by a team of experts with decades of pool experience Whether you’re in Florida, Texas, Arizona, or anywhere across the U.S., we ship nationwide and help you every step of the way—from planning to installation. Ready to Dive In? If you’re ready to take the plunge or just want to learn more about how a container pool compares to traditional options, we’re here to help. 👉 Contact Midwest Container Pools today for a free quote and start designing your dream pool the smart way.
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