This hose is ideal for the pond its black so doesnt allow light through and it does not squash and restrict the water flow it is also ideal for passing your cable through before burying it or clipping it to the fencer to buy this product please click the add to cart buttonthen at the checkout type the length required in the quantity box maximum length is 30 metres and minimum length is 1 metrer this hose is super tough so ideal for harsh aquatic environments