i got a small closet air in air out is ok the temp during light on hours are 85F lights off 75F everything is going well i took my mother plants off 18/6 and pushed them to bud 12/12 i just got a hydro system built and will start from seeds . i got a small 150watt Hps light flowring my mothers now and seedlings under fluro in rw blocks my question is how close should i keep my HPS light to my mother plant while flowering and when i swittch it to my hydro unit can i use the same distance any info helpful i use to use all fluros now starting hps but small wattage for small 1-3 plants any help thanks..