NT Labs Pond Barley Straw Bio Bags, Pouches, Controls Green Water in Ponds, Natural Blanketweed Control, Compostable Bag (Bio BagTwin Pack)

【NATURAL CONTROL OF GREEN WATER ALGAE AND BLANKETWEED IN PONDS】: Barley straw Bio Bags are effective against green water algae and blanketweed in garden ponds. 【EASY TO USE】: Simply place the bag into the pond (each bag treats 3500 litres/800 gallons), It will take 28 days to take effect. For continuous treatment, replace every 6 months. Only remove the old bag one month after adding the new bag to ensure continuous control. 【COMPOSTABLE BAG】: Made from 100% biodegradable, natural ingredients! Once used, dispose in your compost/garden waste bin 【POND, WILDLIFE & PET SAFE】:The natural formulation of Barley Straw Bio bags means they are harmless to pets, wildlife and ponds. 【SUITABLE FOR ALL POND KEEPERS】:The ease of use of Pond Barley Straw Bio Bags means it is perfect for use by beginners and seasoned pond keepers alike.