Automatic Pool Water Level Control Labour Saving Used by both pool professionals and pool owners. Aquafill stands guard over your pool water level and stops adding replacement water when your pool water reaches its optimum level. Ideal for Pools Maintained Daily The perfect solution for keeping your pool topped up whilst you are away. A very popular choice with holiday-home owners. Easy to Use Simply connect Aquafill to a standard garden hose. Installed in minutes, no tools required. Suitable for both in-ground and above ground pools.