The floaty should be printed with no less than a 15% infill, otherwise the density of it will be too high and the click and grow will fill up with too much water. This is suitable for a 3 pot click and grow. https://eu.clickandgrow.com/products/the-smart-garden-3 

!!! WITHOUT ACETONE SMOOTHING, THERE WILL BE GAPS BETWEEN THE LAYERS AND WATER CAN SEEP IN !!!