You can, and often do, reuse plastic bottles. Water dispensers are very popular in some places and they use recyclable 19l plastic bottles. Glass is just too he

You can, and often do, reuse plastic bottles. Water dispensers are very popular in some places and they use recyclable 19l plastic bottles. Glass is just too heavy and fragile for transporting water and if I understand correctly metal still needs plastic lining so that it doesn't react with fluids.