Thread: 400 watt radium too much for 40 gallon high?
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  #11  
Old 06/12/2002, 07:14 PM
yrureefing yrureefing is offline
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Join Date: May 2002
Posts: 658
I am thinking about a 400 watt 20k radium on a hqi ballast. As of height I am thinking about 18 or 20 inches.