Banner advertising "free skimmer socks with every purchase". This applies to all purchases made on our pool supplies store.

Alg Out 40% Algaecide (1L)

C$24.99
On Sale
C$31.99 Save 22%
In stock
Product Details
UPC: 775612003779
Brand: Sani Marc

Quickly treats a wide variety of algae (green, yellow and black) and prevents algae growth when used weekly.

Features and Benefits

  • Destroys algae in swimming pool water
  • Highly concentrated
  • Treats a wide variety of algae (green, yellow, black)

When to use

Alg Out 40% can be used to treat visible algae or as part of your weekly pool maintenance.

How to use

To treat visible algae, add 125mL of Alg Out 40% for every 10,000L of pool water. If using Alg Out 40% as part of your weekly pool maintenance, add an initial dose of 50mL of Alg Out 40% for every 10,000L of pool water and add 25mL for every 10,000L of water. Do not apply when people are in the pool. Wait 5 minutes before swimming.

Looking for a natural algaecide that also softens and conditions pool water? Try Summer Smiles Soft!

Save this product for later
Share this product with your friends
Alg Out 40% Algaecide (1L)

H₂O Blog

Storage Tips: How to Safely Store Pool Chemicals
Proper storage for your pool chemicals is crucial for maintaining their effectiveness and ensuring the safety of your home and …
The Best Time to Open Your Pool in Canada: Timing is Everything!
Opening your pool in Canada can be an exciting way to welcome the warmer months. However, the timing of when …
TDS in Hot Tubs: What It Is and Why It Matters for Your Water Quality
If you’re a hot tub owner, maintaining clean, balanced water is crucial to ensuring your spa experience is both safe …
Hot Tub Pump: How It Works and Why It’s Essential for Your Spa
A hot tub is an oasis of relaxation, but behind the soothing jets and bubbling water lies a complex system …


Questions? We are more than happy to help! Our team of pool experts are eager to answer any of your queries about your water balance and pool equipment. We can be reached by email at [email protected] or through the contact form below.