Barley straw is used in aquariums and ponds to prevent the growth of algae in aquariums and ponds. When the straw decomposes, it releases hydrogen peroxide, preventing the growth of algae and also consuming toxic nitrogen from the aquarium, providing oxygen in the chemical reaction. Put about 20 grams of straw for every 100 L. of water in the filter, inside the aquarium in a bag of mala so that it can be removed when desired. This bag should be changed every 3 months. Barley straw is used in aquariums and ponds to prevent the proliferation of algae in aquariums and ponds. When the straw decomposes releases hydrogen peroxide preventing the growth of algae and also consuming toxic nitrogen aquarium, providing oxygen in a chemical reaction. Put about 20 grams straw per 100 L. water filter within the aquarium in a bad bag to remove when desired., This bag should be changed every 3 months. a bag with 40 grams is sent, directly holes are made with the finger or with a pen and put in the water. With 40 grams you can treat a surface of 80cm x 80cm.

Barley straw is used in aquariums and ponds to prevent the growth of algae in aquariums and ponds. When the straw decomposes, it releases hydrogen peroxide, preventing the growth of algae and also consuming toxic nitrogen from the aquarium, providing oxygen in the chemical reaction. Put about 20 grams of straw for every 100 L. of water in the filter, inside the aquarium in a bag of mala so that it can be removed when desired. This bag should be changed every 3 months. Barley straw is used in aquariums and ponds to prevent the proliferation of algae in aquariums and ponds. When the straw decomposes releases hydrogen peroxide preventing the growth of algae and also consuming toxic nitrogen aquarium, providing oxygen in a chemical reaction. Put about 20 grams straw per 100 L. water filter wit