What To Put Under An Above Ground Pool

Okay, so picture this: it’s July, the sun is beating down like a grumpy dragon, and you’re finally ready to fill up your brand new above ground pool. You’ve spent weeks agonizing over the perfect filter, the cutest inflatable flamingo (because, priorities!), and you're practically vibrating with excitement. Then, as you're smoothing out that last wrinkle in the liner, a little voice in your head whispers, "Uh...did you actually put anything under this thing?" That little voice was me, two summers ago. Let's just say a few frantic Google searches ensued. Save yourself the heart palpitations, folks, and let’s talk about what goes beneath that watery paradise.

The truth is, you can't just slap an above ground pool on your lawn and hope for the best. Well, you can, but you’ll probably regret it. Think of it like this: would you build a house on shifting sand? Probably not. Your pool needs a solid, stable, and protective foundation.

Why Bother With a Base At All?

Excellent question! And one that deserves a straightforward answer. Here's the lowdown:

• Protection for Your Liner: Rocks, roots, rogue earthworms (shudder) – all potential liner-puncturing villains. A good base acts as a shield, preventing leaks and extending the life of your pool. Seriously, liners aren't cheap! Treat yours with respect.
• Level Ground: Uneven ground is a disaster waiting to happen. It puts stress on the pool walls, can lead to structural failure, and generally makes swimming an awkward, leaning experience. Nobody wants to feel like they're perpetually sliding downhill.
• Comfort Underfoot: Let's be honest, who wants to stand on lumpy, bumpy grass while splashing around? A smooth, even base makes getting in and out of the pool a much more pleasant experience. Think happy feet!

So, What Are My Options?

Alright, let's dive into the nitty-gritty. You've got a few choices here, each with its own pros and cons.

1. Sand (The Classic Choice)

Sand is a popular choice for a reason. It's relatively inexpensive, readily available, and easy to work with. However (there's always a however, isn't there?), it can shift over time, especially with heavy rain or if your pool isn't perfectly level to begin with. Also, it can attract weeds. Nobody wants weeds growing through their pool liner. Just saying.

Pro Tip: If you go with sand, opt for builder's sand or pool base sand. Avoid play sand, which is too fine and can compact too much.

2. Pool Pad (The Convenient Option)

Pool pads are pre-cut, shock-absorbing foam pads specifically designed for under pools. They provide a smooth, even surface and excellent protection for your liner. They're also super easy to install – just roll them out! The downside? They're generally more expensive than sand. But hey, convenience comes at a price.

3. Concrete Slab (The Permanent Solution)

If you're looking for a long-term, ultra-stable solution, a concrete slab is the way to go. It's incredibly durable and provides a perfectly level surface. However, it's also the most expensive and labor-intensive option. You'll likely need to hire a professional to pour the slab, and it's definitely not something you can easily undo if you decide to move your pool later. Think long and hard about this one!

4. Crushed Stone (The Surprisingly Effective Choice)

Crushed stone, particularly crushed limestone or granite, can be a great option. It provides excellent drainage and compaction, creating a very stable base. It's also less prone to weed growth than sand. You'll need to compact it properly, though, using a plate compactor. You can rent these from most tool rental shops. Channel your inner construction worker!

5. Gorilla Pad (The Heavy-Duty Protector)

Similar to a pool pad, but often thicker and more durable, the Gorilla Pad offers excellent protection against punctures and abrasions. It's made from a geotextile fabric that's tough enough to handle even the roughest terrain. It’s a premium option that comes with a premium price tag, but if you're serious about protecting your liner, it's worth considering.

The Bottom Line

Choosing the right base for your above ground pool is crucial for its longevity, stability, and your overall enjoyment. Do your research, consider your budget, and don't be afraid to ask for advice from pool professionals. A little preparation now will save you a whole lot of headaches (and potential pool disasters) down the road. Trust me, future you will thank you!