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Effective koi fish pond treatment against green water algae and blanketweed
Safe for use with fish, plants and is harmless to biological filtration systems
Pond Doctor Barley Straw Extract is a single dose natural approach to controlling algae and blanket weed in ponds. It is totally harmless to fish, plants and all wildlife.
Barley Straw Essence treatment dosage
10ml per 225 litres (50 gallon)
250ml treats 5688 litres(1250 gallons)
500ml treats 11375 litres(2500 gallons)
1000ml treats 22750 litres(5000 gallons)
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Free Delivery on orders over £39.99
Postage from £3.95 for smaller orders
Express 24hr postage option available
14 day returns
International Shipping on non electrical products only
We aim to ship all orders received by 12 pm the same day with the exception of fibreglass fish ponds, Gardeco products & other special order products.
The 24 hr postage option does not include deliveries at weekends or bank holidays.
