There are several species of Duckweed (Lemnaceae) which cause unsightly coverings on pond surfaces. PondXpert Anti Duckweed is an advanced multi-action product designed to sucessfully target this problem.



Why use Anti Duckweed?

PondXpert Anti Duckweed is the only product which tackles Duckweed through its roots and leaves. From our experience this is the only way to successfully remove this troublesome aquatic weed. 




  • 250ml treats 5625L

  • This treatment comes with a very useful spray cap enabling you to disperse the liquid over a wider area.

PondXpert Anti Duckweed Water Conditioner 250ml

  • We offer a 30 day FREE Return/Exchange policy. You can return most new, unopened items (Food and Drink items are not returnable) within 30 days of delivery for a full refund. We will also pay the return shipping costs if the return is a result of our error (You received an incorrect or defective item, etc.)


    You should expect to receive your refund within 5-7 working days once we have received your item back.


    If you need to return an item, please Contact us at with your order number and details about the product you would like to return. We will respond quickly with instructions on how to return items from your order.

  • Our Standard delivery Service is 1 to 2 Working days and is priced at £5.95. So no matter how much you order it will be this price (except for Seeds and Large Bulky items).

    All Seed only orders will be shipped 1st class Royal Mail and is priced at £1.99.

    Large Bulky items please contact us for a shipping quote.


    We currently do not ship to the following locations:

    • – Channel Islands
    • – Northern Ireland
    • – Scottish Highlands
    • – Scottish Islands
    • – Isle of Man
    • – Isle of Wight
    • – Scilly Isles


    Any items ordered along side Seeds will increase the cost to our standard shipping charge of £5.95.


    Alternatively, if you live local, why not 'Click and Collect' or ‘Local Delivery’ (Local Delivery Fee is £5) from our store. Just select the option upon checking out.