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Stock Tank Pool Care in WA: The Essential Guide for Terra Tanks Owners
3 July 2025
How To
Eduardo Antonio Morales
Stock Tank Pool Care in WA: The Essential Guide for Terra Tanks Owners
There’s nothing better than sinking into your own stock tank pool after a hot Perth day—or making a splash with the kids while the Fremantle Doctor rolls in. Terra Tanks stock tank pools are designed for easy living, but just like any good thing, they last longest and look best with a little regular care.
Whether you’re a first-time pool owner or a seasoned backyard pro, this guide will help you get the absolute best from your plunge pool—year-round, through heatwaves, storms, and all the “four seasons in a day” that WA is famous for.
1. The Basics: Why Care Matters
Stock tank pools are tough—but “set and forget” isn’t the goal. Simple, regular care means:
➡ Safer water: No green, cloudy surprises.
➡ Longer life for your tank: Prevents rust and keeps the finish looking new.
➡ More fun: Less time troubleshooting, more time enjoying.
➡ Stock tank pools are a rising star: affordable, durable, and quick to install.
All it takes? A few minutes a week and a little know-how.
2. Water Chemistry (No Chemistry Degree Required!)
Test your water 2–3 times per week with an easy test strip (available at Bunnings, pool shops, or online).
pH: Keep between 7.2 and 7.6.
Why? Low pH = corrosion and rust; high pH = cloudy water, ineffective chlorine.Chlorine: 1 ppm is the sweet spot for galvanized steel.
Why? More isn’t better—too much chlorine eats the metal, too little lets algae and germs thrive.
How to add chlorine:
Always use slow-dissolving chlorine tablets in a floating dispenser.
Never drop a tablet directly on the tank. This will rust the metal and void your finish.
Adjust the dispenser vent so tablets dissolve slowly—WA’s summer heat will make them go fast!
Alkalinity: 80–120 ppm (helps stabilise your pH).
Calcium Hardness: 175–275 ppm (stops scaling and protects your tank).
WA Pro Tip: Perth’s mains water is soft. If you’re topping up with rainwater or bore water, test your minerals—too little or too much can throw off your balance.
Pool care isn’t a chore—it’s your ticket to a perfect WA backyard summer, season after season. Keep it simple, keep it fun, and your Terra Tank will keep you cool for years to come.
3. Filtration & Circulation: The Heart of Pool Health
Running your pump and filter every single day is the best thing you can do.
4–8 hours/day during peak use or when the sun is blazing.
2–4 hours/day in cooler weather.
This:
Circulates chemicals evenly.
Keeps water moving, so algae and mozzies don’t get comfy.
Clears out dust, pollen, and Perth’s infamous gum leaves.
Clean your filter cartridge every 2–4 weeks (or sooner if it looks dirty).
Rinse it with the hose.
Soak it overnight in filter cleaner once a month during summer.
Replace it when it looks worn or water flow slows down.
If you notice water getting cloudy:
Check the filter first. Sometimes a simple clean is all it takes.
4. Routine Cleaning (The Five-Minute Fix)
Daily: Skim leaves, bugs, and anything the wind blows in.
Cover your pool whenever it’s not in use—this is the #1 way to keep it clean and save on chemicals.
Weekly: Brush the walls and bottom of your tank (use a soft brush—never metal).
Monthly: Check for tiny rust spots, especially after storms or heavy use.
Treat them early—scrub with steel wool, dry, and hit it with cold galvanising spray.
5. Rust Prevention: Keep Your Tank Looking Like New
The galvanized coating on your Terra Tank pool is tough, but chlorine and WA’s salty air can still take their toll if left unchecked.
Keep pH balanced—don’t let it dip below 7.2.
Keep chlorine steady at 1 ppm—don’t “shock” your pool unless absolutely necessary.
If you spot rust:
Scrub gently, dry, and apply cold galvanising spray (available from hardware stores).
Never:
Let chlorine tablets touch the metal.
Use a wire brush.
Neglect small rust spots—they’re easy to fix early, but can spread if ignored.
6. Water Changes & Troubleshooting
No matter how good your care, sometimes your pool just needs a fresh start—especially in Perth’s long, hot summers.
Plan to change all the water every 2–3 months (or sooner if you get persistent cloudiness or “swamp water”).
When refilling, test your source water before adding chemicals.
If you’re struggling with algae or green water:
Run your filter longer.
Brush and skim daily.
Check and correct your chemistry.
If all else fails, a full drain, scrub, and refill is the fastest fix.
7. Off-Season & Winter Care (WA Style)
Warm climate (most of WA):
Keep the pool filled, cover when not in use, and check chemicals weekly.
Rainy season? Keep an eye out for overflowing or diluted chemicals.
Cold/southern WA or frost-prone hills:
If a freeze is possible, drain and dry your pool completely.
Store your pump and filter inside to avoid winter damage.
Storms and wind:
Always secure your cover before a storm.
Remove large debris right away after heavy winds.
8. What NOT To Do (from WA Pool Owners!)
Don’t place chlorine tablets or powder directly on the tank floor.
Don’t let your pH drop below 7.2.
Don’t neglect running your filter—stagnant water = mozzies, algae, and cloudy water.
Don’t use strong pool shock treatments in a galvanized steel pool.
Final Tips & WA Wisdom
A few minutes each week saves hours of hassle later—set a phone reminder and make it part of your routine.
Remember: Consistency is key.
The more you stay on top of small maintenance, the less you’ll ever need to do a big clean.
In WA’s hot, dry climate, evaporation is rapid—keep your water topped up, and always re-test after refilling.
With these simple habits, you’ll enjoy a sparkling, safe, and beautiful stock tank pool for years.
We are always here to help—reach out if you need local advice, water test kits, or troubleshooting!