Your Pool Sits Cold All Winter.
Algae Doesn't.
While you're not looking, algae spores settle in, phosphates build up, and by spring you'll have a green swamp that costs hundreds to fix. One preventative dose now keeps your water clear until September.
Water TechniX Algaecide 1L
Choose your pack
A green pool rescue in spring costs $300+ in chemicals, water, and lost swim time. A single preventative dose now keeps your water clear all winter.
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500+ Australians
dosed their pool this winter and opened to clear water
- Best Value in Australia: Pay for 2, receive 3. Just $26.66 per bottle.
- Winter Prevention: One dose now protects your pool for 3 months under the cover.
- Non-Staining Guaranteed: Chelated formula kills algae without marking any surface.
- All Pool Types: Safe for salt, magnesium, chlorine, and naked systems.
Want the complete winter kit?
Get the Winteriser Bundle with 5 products plus a FREE bonus Algaecide. Better value for full winter protection.
Your Pool in Winter. The Perfect Algae Breeding Ground.
Cold water doesn't kill algae. It just slows it down. Under your pool cover, with no circulation, low chlorine, and months of neglect, algae quietly takes over. Here's what you'll face in spring if you do nothing now.
Green Swamp Rescue
Opening your cover to a murky green pool means $300+ in chemicals, days of filtering, and weeks of lost swimming.
Months of Neglect
No circulation, no sanitiser top-ups, no brushing. Algae has the perfect conditions to establish and spread.
Costly Recovery
A preventative dose now costs $26.66. A green pool rescue in September costs $300 plus weeks of lost swim time.
Winter Is When It Starts
Pool owners think algae takes winter off. It doesn't. Spores settle in now, bloom in spring. Stop them early.
One Algaecide. Every Type.
Water TechniX Algaecide is rated for all three algae types. Treatment and prevention in one bottle.
Green Algae
Floating green clouds or slippery walls. Our algaecide destroys these blooms on contact and provides 3 months of prevention.
Water TechniX Algaecide βMustard Algae
Chlorine-resistant yellow dust. This high-potency formula is specifically rated for mustard algae where chlorine alone fails.
Water TechniX Algaecide βBlack Spot Algae
Stubborn dark dots rooted into surfaces. Requires heavy brushing alongside algaecide treatment.
View Black Spot Guide βWinter Dose in 4 Steps
One treatment now. Clear water all winter.
Balance Your Water
Adjust pH to 7.2 to 7.6. This ensures the algaecide works at full strength.
Pour It In
Add 1L per 50,000L around the pool edge with the pump running for even distribution.
Circulate for 24 Hours
Run your pump and filter for a full day to distribute the formula throughout the water.
Cover and Relax
Your pool is protected for 3 months. Open to clear water when the weather warms up.
Water TechniX vs Generic Algaecide
| Feature | Water TechniX Algaecide | Generic Brand |
|---|---|---|
| Non-Staining Formula | β | β |
| Kills All 3 Algae Types | β | Green only |
| 3-Month Winter Protection | β | β |
| Non-Foaming | β | Often foams |
| Australian Made | β | β |
| Buy 2 Get 1 FREE Value | β | β |
Winteriser Kit + Free Bonus Algaecide
Get the complete 5-product winter defence system and we'll add an extra Algaecide 1L for FREE. That's 6 products to protect your pool all winter and open to clear water in spring.
Formulated by Pool Chemists
Designed specifically for Australian water conditions
Trusted by Pool Professionals
Same formula used by pool service technicians across Australia
Expert Support Included
Call 1300 511 901 or email. Our pool experts answer every question.
What Aussie Pool Owners Say
"I dosed my pool in June before covering it. Opened it in September and the water was still crystal clear. Best pre-winter prep I've ever done."
Sarah B. β Perth WA
"Shifted mustard algae that chlorine couldn't touch. And it didn't mark my liner at all. Highly recommend."
Jason L. β Gold Coast QLD
"The 3 month protection is the real deal. Usually I'm adding chemicals every week, but this has kept my water sparkling with zero effort."
Amanda W. β Sydney NSW
Winter Algaecide FAQs
Cold water doesn't kill algae. It just slows it down. Under your cover, with no circulation and low sanitiser, algae spores settle in and phosphates build up. By spring you'll have a green pool that costs $300+ to rescue. One dose of algaecide now prevents all of that.
Add 2 bottles of Water TechniX Algaecide to your cart, and a third bottle will be automatically added for free. You pay for 2 but receive 3. That's just $26.66 per bottle. Perfect for covering your winter dose plus having spares for spring maintenance.
Each 1L dose provides up to 3 months of algae prevention. Dose your pool in June and you're protected through to September. For pools in warmer climates or longer winters, a second maintenance dose mid season is recommended. With 3 bottles from the Buy 2 Get 1 FREE deal, you're fully covered.
Yes. Add the algaecide with the pump running for 24 hours before covering, or add it through the skimmer basket if the cover is already on. The formula circulates through the water regardless. Just ensure the pump runs long enough to distribute it evenly.
Your Pool Deserves Better Than a Green Spring.
One dose now. Clear water in September. Buy 2, get the 3rd free. Same day dispatch from our Australian warehouse.
βοΈ Why now? June through August is the critical window. Algae spores settle in, phosphates accumulate, and sanitiser levels drop to zero. A single preventative dose of Water TechniX Algaecide locks your pool down for the entire winter. With 3 bottles from the Buy 2 Get 1 FREE deal, you're protected right through to spring.