Icetube was developed in 2014 and was previously sold under the name Iceline. It is still produced to the highest standards here in the UK, only the name has changed. Icetube is one of those rare products that makes perfect sense with little explanation and has a noticeable effect. Traditionally irrigation pipe is black in colour, this absorbs heat and raises the temperature of the nutrient solution inside – leading to an increased risk of problems such as root rot and Pythium.