you need fans,in and out, a carbon filter for your air. PH meter 15 on amazon there is a yellow one you can find which works great ive had 2 so far(battery acid from water leaking in the first) you need to know if your foil has enough nutrients in it to feed it for how ever long. most soils like sta gro mircle grow have for six to nine. so you wont need nutes but, cal-mal anything with potassium, phosporous, nitrogen, epsomsalts just in case. so when your plant needs something ask and you have the answer and the chemicals to fix it. extra lights never hurt. o ph up and down, compost tea is a good help. remember keep it small because taller plants use the energy to get the nutrients and minerials to those parts . the less energy used to get them to a certain hieght the more they use it for the flower. proper drainage and air circulation as key to good growth