"Koi-lo" wrote in message
...

"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
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Mine are on 12 hours a day, give or take 15 to 30 minutes.


What size tank Koi ? how many watts of light ?

Thanx.