Couple’s DIY Backyard Stock Tank Pool
What started as a farm-supply water trough has turned into one of the most popular budget backyard upgrades around, and it’s easy to see why once the numbers are compared: a galvanized stock tank pool costs a fraction of an in-ground build and can go from bare yard to swimmable in a weekend. The steps below walk through how one couple’s approach to a DIY stock tank pool actually comes together, from picking the tank to keeping the water clean once it’s filled.
Why Stock Tank Pools Have Become a Backyard Trend
Why stock tank pools have become a backyard trend comes down to cost and speed, offering the visual appeal of a real pool without the excavation, permitting, and expense a traditional in-ground pool requires.
How Much Cheaper a Stock Tank Pool Really Is
How much cheaper a stock tank pool really is depends on size and add-ons, but most complete setups, tank included, land well under what even a basic in-ground pool would cost just for permitting.
Who a Stock Tank Pool Actually Makes Sense For
Who a stock tank pool actually makes sense for tends to be renters, smaller yards, and anyone wanting a seasonal cooling-off spot without committing to permanent construction.
Choosing the Right Size and Type of Stock Tank
Choosing the right size and type of stock tank sets the tone for the whole project, since galvanized steel tanks come in a range of diameters and depths originally designed for livestock watering, not swimming.
Round Versus Oval Tanks for Backyard Use
Round versus oval tanks for backyard use each have tradeoffs; round tanks tend to be sturdier and easier to source, while oval tanks offer more usable length for actually swimming a few strokes.
Picking a Size Based on How Many People Will Use It
Picking a size based on how many people will use it generally means a couple can comfortably manage with a 6 to 8-foot diameter tank, while families may want to size up closer to 10 feet.
Picking a Level, Well-Draining Site
Picking a level, well-draining site is one of the most important steps in the entire project, since a stock tank pool filled with thousands of pounds of water needs genuinely solid, even ground underneath it.
Why an Unlevel Base Can Cause Serious Problems
Why an unlevel base can cause serious problems comes down to the weight and pressure involved, since even a slight slope can stress the tank walls and lead to leaks or a tank tipping over time.
Building a Simple Gravel or Paver Base
Building a simple gravel or paver base under the tank improves drainage and stability, giving the tank a solid, even foundation that plain grass or bare soil generally can’t provide on its own.
Adding a Filtration and Circulation System
Adding a filtration and circulation system turns a stock tank from a large tub of standing water into something that actually stays clean and swimmable for more than a day or two.
Why a Sand or Cartridge Filter Pump Is Worth the Cost
Why a sand or cartridge filter pump is worth the cost comes down to water quality, since a properly sized pump keeps water circulating and filtered rather than stagnant, cutting down significantly on algae and bacteria growth.
Sizing a Pump Correctly for the Tank’s Water Volume
Sizing a pump correctly for the tank’s water volume means checking that the pump’s flow rate can turn over the entire tank’s water within a reasonable number of hours, generally following the pump manufacturer’s sizing chart.
Building a Deck or Surround for a Finished Look
Building a deck or surround for a finished look is what separates a genuinely nice backyard feature from something that still looks like a livestock trough sitting in the grass.
Simple Wood Framing Ideas for Around the Tank
Simple wood framing ideas for around the tank include a raised deck platform that partially sinks the tank into the structure, hiding the metal sides and adding a built-in seating ledge around the edge.
Adding Steps and Safe Entry Points
Adding steps and safe entry points matters given the height of most stock tanks, and building a small step or platform makes getting in and out considerably easier and safer than climbing over the rim.
Keeping the Water Clean and Chemically Balanced
Keeping the water clean and chemically balanced follows largely the same principles as any small pool, using chlorine or a saltwater system alongside regular pH testing to keep the water safe to swim in.
Chlorine Versus Saltwater Systems for Stock Tank Pools
Chlorine versus saltwater systems for stock tank pools each work, though many stock tank pool owners lean toward a simple saltwater chlorinator for gentler water that’s easier to maintain at a small scale.
A Simple Weekly Maintenance Routine
A simple weekly maintenance routine, including testing pH and sanitizer levels, skimming debris, and running the filter a set number of hours daily, keeps a stock tank pool clear without much daily effort.
Winterizing or Draining the Pool for the Off-Season
Winterizing or draining the pool for the off-season protects both the tank and the surrounding structure, since a full tank left untreated through freezing temperatures can warp or damage the metal.
Fully Draining Versus Covering for Winter
Fully draining versus covering for winter depends on climate; in areas with hard freezes, fully draining the tank is generally safer than trying to keep it filled and covered through winter.
Storing Pumps and Equipment Properly
Storing pumps and equipment properly means disconnecting, draining, and bringing filter pumps and hoses indoors for the off-season, since freezing temperatures can crack pump housings and damage seals.
The Bottom Line
A DIY stock tank pool comes down to four real decisions: the right size tank, a genuinely level and solid site, a properly sized filter pump, and a surround that makes it feel like a built-in backyard feature rather than a temporary trough. Get those right and a stock tank pool can realistically deliver a full summer of use for a fraction of what an in-ground pool would cost.
For related ideas, see our articles on Cheap No Grass Backyard Ideas For a Low-Maintenance Garden, How to Make a Gorgeous Goldfish Pond in Your Backyard, and Easy DIY Landscaping: Build a Rock Garden. For more on this, our guides on Best Trees for Privacy in Your Backyard, Backyard Fence Ideas Worth Considering, and Backyard Patio Plants for Small Backyards cover related ground. For a related project, see our article on Relaxed Backyard Patios With Concrete.
Frequently Asked Questions
How Much Does a DIY Stock Tank Pool Cost?
A DIY stock tank pool typically costs a few hundred to around two thousand dollars depending on tank size, filtration equipment, and how elaborate the surrounding deck build ends up being.
Do Stock Tank Pools Need a Permit?
Permit requirements for stock tank pools vary by location and size, so it’s worth checking local codes, since some areas treat larger, permanently plumbed setups similarly to a traditional above-ground pool.
How Deep Are Stock Tank Pools Usually?
Most stock tank pools used for swimming range from about 2 to 3 feet deep, which is enough for cooling off and sitting but generally too shallow for diving or serious swimming.
Can a Stock Tank Pool Be Heated?
A stock tank pool can be heated using a small electric or solar pool heater sized appropriately for the tank’s water volume, though many owners simply let the tank warm naturally in direct sun.
How Long Does a Galvanized Stock Tank Pool Last?
A quality galvanized stock tank used as a pool can last many years, often a decade or more, with proper site preparation, water balance, and off-season care.