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Hy-Clor 1L Pool Blackout Blackspot & Algae Control

★★★★
101 reviews · 604+ sold
$48.15 $72.23 -33% OFF
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Last purchased 18 minutes ago by someone in Geelong
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Description & Specs

Hy-Clor Pool Blackout is a 1L liquid pool treatment for controlling blackspot and algae in swimming pool water.

  • Volume: 1L
  • Active ingredient: Benzalkonium chloride
  • Use: Control blackspot and algae in swimming pools

Added to pool water as directed, it targets blackspot staining and algae growth as part of a regular pool maintenance routine. Always follow the dosage and safety directions on the label.

More about this product

Hy Clor 1l Pool Blackout is a concentrated algaecide designed to control and prevent stubborn algae in swimming pools, including black, mustard, and green algae.

This product features a highly concentrated formula that effectively targets aggressive black spot strains of algae. With a single application lasting up to three months, it is suitable for both chlorine and saltwater pools and compatible with all filter types. The algaecide is formulated with benzalkonium chloride, providing long-lasting protection against various algae types, ensuring your pool remains clean and clear.

Features

  • Concentrated formula for effective algae control
  • Single application lasts up to three months
  • Effective against black, mustard, and green algae
  • Compatible with chlorine and saltwater pools
  • Suitable for all filter types

Specifications

Dimensions (W x H x D) 85mm x 85mm x 245mm
Weight 1kg
Material Benzalkonium Chloride
Model Number Hy-Clor 1L Blackout
Volume/Size 1L

Hy Clor 1l Pool Blackout provides effective algae control for swimming pools.

Questions & Answers

What does Pool Blackout treat?

It controls blackspot and algae in swimming pools.

What is the active ingredient?

Benzalkonium chloride.

Shipping & Returns

Standard Shipping Australia-wide
Ships in 1-2 business days from our Australian warehouses
30-Day Returns
Change your mind? Return within 30 days for a full refund. Item must be unused and in original packaging.

Customer Reviews

4.3 ★★★★☆ 116 reviews
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✓ Fast Delivery ✓ Great Quality ✓ As Described Verified Purchases
H
Hannah P. 📍 Cairns QLD
1 month ago
✓ Verified Purchase

Worth every cent

Did a lot of comparison shopping before buying here and I have no regrets. Best price I found anywhere and delivery was fast — 3 days to Melbourne. Product feels genuinely premium, not cheap at all. Packaging was solid too, box arrived in perfect shape. Will be back for more.

T
Thomas R. 📍 Ballarat VIC
1 months ago
✓ Verified Purchase

Does the job well

Hy quality is always reliable and this was no exception. Fast delivery too.

J
Jessica L. 📍 Toowoomba QLD
2 months ago
✓ Verified Purchase

Already bought a second one

Placed the order in the evening and got a shipping notification the next morning. Arrived 2 days later in great condition. Product is well made and does everything it should. Really happy with the whole experience.

B
Ben A. 📍 Fremantle WA
2 months ago
✓ Verified Purchase

Quick delivery to regional QLD

The Hy-Clor 1L arrived fast and works perfectly out of the box.

G
Grace W. 📍 Parramatta NSW
2 months ago
✓ Verified Purchase

Perfect gift — loved it

Bought this as a replacement for one I have had for years and I am glad I upgraded. The new one is noticeably better. Had a tracking number within a few hours of ordering. Packaging was excellent, nothing damaged. Already told a few mates about this site. Great prices and genuinely fast shipping.

O
Oliver H. 📍 Rockhampton QLD
2 months ago
✓ Verified Purchase

Arrived well packed

The Hy-Clor 1L is a solid buy. I was a bit unsure about the size from the photos but it is perfect in person. Delivery was faster than expected. Very satisfied with this purchase.