Mains water is a valuable commodity “ much too precious to be used for watering plants. Rainwater harvesting is a perfectly available alternative. Garantia offers a range of stylish rainwater harvesting tanks for your garden which are both kind on your purse and extremely pleasing to the eye. Smart people water their garden with rainwater For plants, there's no better water than rainwater. It's clean, soft, free and falls from the sky on a regular basis. It's much better than tap water and groundwater, which are cold and often hard. Rainwater tanks are therefore becoming an increasingly common feature in gardens. A special filter, which filters the precious resources and prevents the tank from over owing, makes the ideal connection to the downpipe.