The Hozelock Cascade 1500 pond pump is a popular choice. The pump range offers a large range of sizes for operating everything from small water features to large combined fountain and waterfall displays. The Cascade name has been around for a long time and the 1500 model has always been the bestselling pump in the range. This pond pump falls in the middle of the different pond pump sizes which makes it suitable for the most popular size of pond, which is one of the reasons that it is so popular.