These heavy duty transformers feature a photo eye for automatic on/off. Easy push button settings keep lights on from one(1) to nine(9) hours after turning on - or can be set to run dusk till dawn. (Two per case)
You should stop feeding your aquatic plants about a month before the first frost in your area. Even in areas that don't normally have frost, plant growth slows in the shorter, cooler days of the fall and winter months.
