They work like they're supposed to, but they're limited. The one I bought only lets you alternate between two groups of plug-ins. While one set is on, the other is off, and vice-versa. Not very helpful if you want to keep actinics on for an hour before and after the daytime lights, etc.
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~Drew
10G Nano * 10G Sump * Deltec MCE 600 Skimmer * JBL Viper 150w MH * Zeovit * Vortech MP40W
Millions long for immortality who do not know what to do with themselves on a rainy Sunday afternoon. ~S. Ertz
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