Bluecol Screen Wash
Price: £3.69 Size: 1 litre

Once a big name in screenwash, Bluecol is now under the CarPlan wing, and trying to regain its position as a market leader. The summer concentration struggled on our glass, and had little effect on our bug and oil.
Then, in the freezer part of the assessment, it went solid after 150 minutes.
If you want a CarPlan product, we’d go for the Sub-Zero every time.