you running digital ballasts? if so you should beable to plug in the 600w to your hood n swap bulbs..
providing all r same brand or same plug style..
and no prob... i follow you.. lol.. im also bad at the describing..
my hosts are livin in 83 at the moment.. would like to get er cooler but in progress of ne host room and my bed room in hot hot hot..
best i can do for now.. also they aint showing any signs of discomfort..
LH