The answers vary according to the amount of water you use! The larger your water tank is, and the greater the water you can store there. You should consider some things when determining how large your water tank should be:   Requirement of water On average, a family of four consumes approximately 600 liters per day, up to 120 to 200 liters per person. However, the size of your water tank depends on the way you plan to use it. Untreated rainwater can be used for external water consumption – which means that it can save a lot since half of the water contributes to your water supply.   Available Space You can order a round or slimline water tank, depending on the space available and your personal preferences (s). Round water tanks are common especially in rural areas, while slimline water tanks are becoming increasingly popular in urban backyards, where they are appreciated for their space-saving, sleek design. With our many years of experience, supplying and installing water storage tanks in UAE, we have discovered that three-round tanks, each containing 30,000 liters (for a total of 90,000 liters), can easily keep even a large family hydrated throughout the year.   If you are looking at getting a storage tank, give us a call at ________________ and we'll help you figure out what type and size of water storage tanks in UAE will best fit your needs! Our knowledgeable project managers will schedule a meeting with you to discuss your water requirements, the water source available at your place, assist you in locating a suitable place for the installation of a storage tank, and guide you through the entire process of ensuring a safe and sufficient water supply.