How to Build a Poly Stock Tank Pool That Actually Looks Good
If you’ve been toying with the idea of adding a pool to your backyard but the cost makes you wince… mate, you’re not alone.
That’s where poly stock tank pools come in. Cheap-ish, DIY-friendly, and weirdly chic once you dress them up.
These things have become backyard gold, and for good reason.
You might’ve seen a few scrolling past on TikTok or Instagram—maybe sun-drenched and decked out with fairy lights—and thought, “That’s it.
That’s the dream.” And yeah, you’d be right. Let’s get into the nitty-gritty of how poly stock tanks are turning regular backyards into low-key retreats.
Why Poly Tanks Are Actually Brilliant
Alright, so let’s clear this up right out the gate—poly = plastic. These are the black or grey tubs used on farms to water animals.
Doesn’t sound sexy, but hear me out. Unlike their galvanized steel cousins, poly tanks don’t rust.
They’re lighter too, which means you don’t need to hire a crane just to move the thing into place.
Also, they’re smooth inside, so none of that scratchy industrial feel. And if you’ve got kids or pets running around, that’s a big win. Saltwater-friendly too.
That’s another bonus if you prefer natural pool treatments or just want to soak without feeling like you’re in a science experiment.
Quick Breakdown: Poly vs Galvanized Tanks
| Feature | Poly Tank | Galvanized Tank |
|---|---|---|
| Weight | Lightweight, easy to move | Heavier, more stable |
| Rust resistance | 100% rust-proof | Can rust without proper sealing |
| Saltwater safe | Yep | Not recommended |
| Heat absorption | Retains heat better in cooler temps | Cools down quicker |
| Price range | $150–$800 (depending on size) | $100–$600 |
| Customisation ease | Super easy to paint or decorate | Bit harder to drill or cut |
Setup Basics (Without Getting All Technical)
You don’t need to be a builder or plumber to get one of these running.
You’ll want a flat spot, ideally with good drainage, and close to a power source if you plan on running a filter.
That’s it for groundwork.
Here’s what I usually see people doing:
- Base layer – A circle of compacted gravel or sand works. Some folks put down pavers or a wooden frame.
- Pool filter setup – Most go for an Intex pump or aquarium-style filter for smaller tanks.
- Optional heating – Solar mats or a propane heater can do the trick.
- Surrounding it – This is where the magic happens—decks, stones, plants, privacy screens.
Honestly, once the tank’s filled, it’s already doing 80% of the work. The rest is you making it fit your style.
Pool Surrounds That Totally Change the Game
Here’s where you can get creative—and trust me, people go all in.
Decked Out Like a Dream
One of the most popular moves is building a low wooden deck around the tank.
It blends it into your space and makes it feel built-in, not plonked there. People even carve in steps or little benches so it’s easy to lounge around the edges.
I saw one setup where someone even tiled the inside of the poly tank. Looked like a resort.
Slightly Sunken, Totally Chill
Want that in-ground pool feel without the in-ground pool cost? Bury the tank halfway.
Just dig a shallow pit, drop in your poly tank, and surround it with pavers, bricks, or smooth river stones. It creates this natural lagoon effect, especially if you’ve got greenery nearby. Feels like a hidden watering hole.
Backyard Spa Vibes
If you’re more about that “soak in peace” life, think spa. Wrap the tank in bamboo panels or vertical cedar slats, string up some outdoor lights, maybe hang a little curtain or two.
Add a bench with rolled towels and you’re good to go. Instant resort.
Bright and Bold
Not into the rustic look? That’s fine—make it pop. Spray paint the outside a bold colour (black, teal, even pink).
Some folks do patterns or stripes with stencils. Looks awesome against gravel, tiles, or fake grass. Funky cushions and floating drinks tray, and boom—it’s giving magazine feature.
Tips That Make All the Difference
People don’t talk enough about the little things. The details are what’ll make your setup feel complete.
- Level ground is non-negotiable. Even a slight slope can turn your peaceful soak into a weird bathtub ride.
- Add a cover – keeps the bugs and leaves out. Some folks even use round trampoline covers.
- Floating solar lights – game changers at night.
- Plants, plants, plants – Tall grasses, potted trees, or trailing vines bring life to the setup.
- Kid safety – Think fencing or a lid if you’ve got little ones or pets around.
- Make it match your vibe – If you’ve got boho furniture, lean into that. If your house is modern and white, go clean and minimal with your tank setup too.
Real Backyard Examples (Because Everyone Loves a Good Scroll)
| Style | What It Looks Like | Skill Level | Cost to Set Up |
|---|---|---|---|
| Rustic Decked Out | Natural timber, fairy lights, outdoor rug | Moderate | $$ |
| Jungle Tucked Away | Surrounded by plants, pebbles, shade sail | Easy | $$ |
| Modern Tiled | Inside tiled, black outside, sunken look | High | $$$ |
| Colour Pop Chic | Painted outside, matching cushions and tray | Easy | $ |
| Boho Hideaway | Macrame, wood slats, pampas grass nearby | Moderate | $$ |
Frequently Asked Pool Questions
Q: Do you really need a pump?
Yes. Unless you love murky water or plan to drain and refill constantly. Even a small filter makes a massive difference.
Q: Can you heat it in winter?
Totally. Propane heaters work well. Some clever folks even connect it to their hot water tap with a hose and fill it that way.
Q: Do poly tanks fade in the sun?
Eventually. Black tanks hold up best. Painting or covering them helps slow it down.
Q: Will it crack or warp?
Only if it’s not level or exposed to extreme temps with no support. Keep it shaded when not in use.
Wrap-Up
Stock tank pools, especially the poly ones, hit that sweet spot between budget, function, and looks.
You don’t need to drop $20k on a full-size pool to get a vibe going in your backyard. All it takes is a $200 tank, a bit of creative thinking, and maybe a cheeky Saturday afternoon project.
So whether you’re in Auckland battling humid summers or out in Texas under the scorcher, this is one of those rare things that actually lives up to the hype.
