dacrch, interesting stuff. I know they had a pretty long thread on the subject at GW and I gave it a try last year. Unfortunately not all electronic ballasts are created equal. I was using Phillipps HF-P 236 TLD 220-240 units and the tubes wouldn't light up when configured for OD. But with 3ea duro-lite VITA-LITE power twist 40watt bulbs and 2 36watt cool whites the seedlings seemed to be happy. May modify the hood after I get done building your bumble bee vibator. I have a 1000 watt metal halide setup but no place to set it up in the new house. Maybe one day. Ami
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Life's journey is not to arrive at the grave safely in a well preserved body, but rather to skid in sideways,
totally worn out, shouting ‘...Holy Crap .....What a ride!'
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