The first stage in hydroponic tomato growing is to germinate the tomato seeds. I use 3.5cm (1 1/2") starter cubes. These are first soaked in a weak nutrient solution for a few hours. I tend to use my own nutrient solution or make use of purchased brands such as Formulex. Once the cubes have been soaked they can be put back in the plastic tray they are supplied in. The tray … [Read more...]