Essential too not waste your high end microbes and mycologicak innoculants.i use tribus grow or bloom once a week or every other watering and recharge every third.
Great great lights, tho (version 1) the spider farmer is just as effecient, has similar spectrum and you get a whoke lot more coverage and wattage for less. Again the new qb with Samsun LM 301H 3500K , 680nm 690nm 480nm, efficiency of 3.01j/h Z