"Dave@AquaFlora" wrote in message
news:msWyf.117941$OU5.99899@clgrps13...
Anyone's opinions welcome: how long should lights be left on per day to
ensure that plants get their proper photoperiod?

THanks

My tanks are low - moderate light plants and
I run the lights 12 hours daily, even in winter.
I suppose one could shorten the time in
winter. Maybe I'll try that.

Gail
near San Antonio TX where "winter"
is rather rare