i used 3 42w and threw a 23w for last 1 1/2 weeks.dont know if the 23w even helpd.as for feeding i have a 2 gal bucket which put a drop or 2 of superthive and 2 capfuls of bigbloom.and there is a airpump 2 arearate the water and just water when the top 2-3 in of soil is dry.so now its time for the next grow with new bagseed.btw that was my 4th attempt.first i yielded 10g of purp,2nd 25g of purp,3rd 2 males,and this 1 was 24g of kush.
look 4 my new grow coming soon.