Rainwater Tanks @ turf TIS is South East Queensland's leading supplier and installer of Rainwater Tanks to both the domestic and commercial market. When deciding on your tank, it's accessories or Government and Council Rebate schemes go no further than TIS. On it's Rainwater Tanks site raintanks.net.au you can find everything you need to make your tank purchase and installation a breeze. Products One This area is for descriptions related to the product image. Copy and paste to list more products. Products Two This area is for descriptions related to the product image. Copy and paste to list more products. Products Three This area is for descriptions related to the product image. Copy and paste to list more products.