Aquacadabra Vanquish Blanketweed Powder is a natural blanketweed treatment formulated to help control and reduce unwanted algae growth in garden ponds. Made with a blend of natural minerals, enzymes and additives, it works effectively against blanketweed while remaining safe for fish, plants and biological filtration systems when used as directed.

Designed for ponds with good aeration and water movement, the powder is easy to apply and begins working quickly to break down blanketweed growth. Ideal for koi ponds and ornamental fish ponds, it helps maintain clearer water and a healthier pond environment.

Key Features

• Natural blanketweed treatment for garden ponds
• Infused with natural minerals, enzymes and additives
• Helps combat and reduce blanketweed growth
• Safe for fish, pond plants and biological filters
• Easy-to-use powder formula
• Suitable for koi and ornamental fish ponds
• Available in 100g and 1kg sizes
• Best suited to ponds with good aeration and water movement

Important Information

• Not advised for use in nature ponds
• On hot days, oxygen levels may reduce as algae dies off
• If oxygen levels drop, flush the pond with fresh cold water and add a chlorine remover if required

Dose Rate

• Use one level teaspoon per 25 gallons (114 litres) of pond water
• Mix the required amount with pond water in a bucket or watering can before application
• Pour around the pond edges where blanketweed is present

Available Sizes

• 100g – treats up to 1125 litres (250 gallons)
• 1kg – treats up to 11,250 litres (2,500 gallons)

Aquacadabra Vanquish Blanketweed Powder offers a practical and natural way to control blanketweed and support a cleaner, healthier pond throughout the season.

Aquacadabra acts as credit broker/intermediary and not as a lender.

Klarna's credit products are provided by Klarna Bank AB, which is authorised and regulated by the Swedish Financial Services Authority, with limited supervision by the Financial Conduct Authority. More information can be found here.

Newpay finance options are provided through Deko’s platform by NewDay. P.D. Aquatics Ltd, t/a Aquacadabra is an Introducer Appointed Representative of Pay4Later Ltd, t/a Deko, which is authorised and regulated by the Financial Conduct Authority (ref no 728646) and is a credit broker, not a lender. NewDay Ltd is authorised and regulated by the Financial Conduct Authority (ref no 690292) and is authorised by the Financial Conduct Authority under the Payment Services Regulations 2017 for the provision of payment services (ref no 555318). More information can be found by clicking the newpay option above, or in the Newpay FAQs.

We really want you to be happy with the product that you've received. If however, when the goods arrive they're not what you want, then no problem - we have a 60 day no quibble return guarantee. Just let us know that you're going to return the item(s) by contacting us(stating your Order Number) and complete the returns packing slip that will have been included with your delivery. This will help us to quickly identify the item that you have returned (unopened and unused) - and we'll put a refund through for you.