Mona Tanks – These plastic tanks hold water near to the roots and slow down the process of evaporation. This cuts down on the need for watering – ideal if you are going on holiday.

They work on the principal of capillary action and prevent over watering from the top. They have an indicating float that show when they need to be filled with water and they allow oxygen to reach the roots.

There are several sizes available so one for each planter.