nice find paul... I have used the gardening trays for work before but they have huge dimples which hold extra water , these ones look very good. Yes hard to manage
when full , you need to get the water out slowly.
Originally Posted by paul_c5x4
You could also look at the Garland Titan gravel trays - 1000mm x 550mm x 150mm - These will be extremely heavy once full of chemicals, as would any large tray..