This feature is useful for crops needing a weaker solution during the heat of the day and a stronger mix when it cools down at night time. (e.g. to help prevent tip burn in lettuce)

The user can define when “day” starts and ends and this does not have to align in any way with actual day time i.e. you can set day to start at 11am and end at 3:30pm if you wish.

Note that the controller is able to both strengthen the mixture (by dosing) and weaken the mixture by adding water.

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