A 20K wont show growth..at all..(maybe 1/2 an in. ever 100 yrs :P)..What i suggest is adding a VHO retro to your 400 watt MH..and instead of a 20K, use a 10K..
RE: Looking for a new bulb and need advice...
A 20K wont show growth..at all..(maybe 1/2 an in. ever 100 yrs :P)..What i suggest is adding a VHO retro to your 400 watt MH..and instead of a 20K, use a 10K..
Posting Permissions
Reply With Quote