- Summer heat can cause an unexpected increase in algae growth in your garden pond. Fortunately, the large OASE algae net made of fine mesh gauze provides an effective solution. With a rectangular shape measuring 38 x 26 cm, this net offers ample capacity for removing algae and plant debris. Its telescopic handle made of anodised aluminium can be extended from 74 cm to 140cm, providing a longer reach. Here are some of the selling points: Fine mesh gauze effectively removes fine algae and plant remains High capacity 38 x 26 cm rectangular shape Telescopic 74 to 140cm handle made of anodised aluminium provides a longer reach Easy handling, even for small debris particles.