Description
High Strength Algaecide (400g/L). Controls algae in all swimming pools
Specifications:
- Part No. WPQ4001
- Active Constituent: 400g/L Benzalkonium Chloride
- Size: 1L
Features and Benefits:
- Brush pool walls before and after algae treatment
- Check the pH and reduce if necessary to between 7.2 – 7.6 (chlorine is less effective at a high pH)
- Algae enjoys higher pH levels and once it takes hold, will further increase the pH
- Add a clarifier to assist with the removal of dead algae
- It is recommended to chemically clean your filter after an algae bloom to prevent reinfestation
- Do not use in Spas, as this product foams
Application:
- Heavy algae growth: 225ml per 10 000L
- Algae prevention initial dose: 90 ml per 10000L
- Weekly maintenance: 60ml per 10 000L
Includes
1x 1L Pool Algaecide

![1L Zodiac Pool Algaecide [WPQ4001]](http://www.partsforpools.com.au/cdn/shop/files/s-l1600-2026-03-10T152136.281.webp?v=1773116596&width=640)
![1L Zodiac Pool Algaecide [WPQ4001]](http://www.partsforpools.com.au/cdn/shop/files/s-l1600-2026-03-10T150922.026_3af35668-b79b-4a58-b581-796edaf61788.webp?v=1773116599&width=900)