Delivery Just £4.98 Per Order!* Free Delivery When Just Ordering Nematodes!


Barley Straw Extract

Product Code:
Out of stock

Pond Doctor Extract of barley straw is a totally natural means of resolving algae problems in garden ponds. Its unique formulation clears ponds of both green water algae and filamentous blanketweed.

May be used in ponds with filters and all species of pond fish, plants and water using wildlife. Contains no synthetic chemicals or artificial pesticides. Aqueous concentrate containing barley straw extract.

    Dose rate:
    Add 10ml per 225 litres (50 gallons) of pond water.
  • 1. Shake bottle and remove white cap

  • 2. Squeeze to fill measure

  • 3. Pour into pond. Repeat this dose after 1 week. Repeat this dose every 2 weeks during the spring and summer months.

  • Remember to calculate the pond volume correctly: Length (ft.) x Width (ft.) x Depth (ft.) x 6.5 = gallons. 1 gallon = 4.5 litres

250ml treats 5,600 litres (1,250 gals)

500ml treats 11,200 litres (2,500 gals)


Delivery just £4.98 per order*!

Free Delivery if just ordering nematodes

*Additional charges may apply to certain orders in highlands and islands, if so this will be applied in the checkout